Avg High
Avg Low
Rain
Daylight
8h

What to expect

In Cambridge, January sits in mid-winter, with a clear seasonal rhythm running through the month. Most days feel cold but manageable, and relatively steady temperatures through the day. Comfort is usually predictable, so a standard day plan works well. With less daylight, it helps to start earlier and pace your day.

January in context

How it compares to the rest of the year in Cambridge.

Hottest (avg)
#12 / 12
Wettest (avg)
#9 / 12
Daylight Hours
#11 / 12
Windiest (avg)
#2 / 12
Highest UV
#11 / 12
Most Humid
#3 / 12

Monthly climate breakdown

Temperature

Daytime high
Nighttime low
Feels like (avg)

Sunshine

Daylight hours
8.3 h
UV index (max)
2
Typical sun hours
07:58 - 16:18

Rain & Snow

Total rain
Rainy days
14 days
Cloud cover (avg)
72%
Snowfall

Humidity & Wind

Humidity (avg)
86%
Wind (avg)
Wind (max gusts)

Daily climate explorer

Daily climate explorer for January in CambridgeInteractive chart with daily scrub and pinned insight panel.-100102011631°C

Day 15 selected for January. Typical high 8.5°C and low 3.2°C.

Typical disruptions in January

Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in January.

Cold High impact

Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 99% of days (30.5 days/month) in January. Historical risk signal only, not a day-by-day forecast.

30.5 days / month

~99% of days

Why this matters
  • Expected days 30.5 days / month
  • Probability ~99% of days
  • Intensity Up to ~3°C (P95)

Cold feels-like nights are possible on ~31 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.

Cold High impact

Freezing nights Measures: Freezing nights (min <=0C). Observed about 30% of days (9.4 days/month) in January. Historical risk signal only, not a day-by-day forecast.

9.4 days / month

~30% of days

Why this matters
  • Expected days 9.4 days / month
  • Probability ~30% of days
  • Intensity Up to ~-0°C (P95)

Freezing nights are possible on ~9 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind High impact

Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 22% of days (6.8 days/month) in January. Historical risk signal only, not a day-by-day forecast.

6.8 days / month

~22% of days

Why this matters
  • Expected days 6.8 days / month
  • Probability ~22% of days
  • Intensity Up to ~93km/h (P95)

Strong gusts are possible on ~7 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Rain High impact

Washout risk Measures: Washout day risk. Observed about 10% of days (3.1 days/month) in January. Historical risk signal only, not a day-by-day forecast.

3.1 days / month

~10% of days

Why this matters
  • Expected days 3.1 days / month
  • Probability ~10% of days
  • Intensity Up to ~16mm (P95)

Washout conditions are possible on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Wind High impact

Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 5% of days (1.5 days/month) in January. Historical risk signal only, not a day-by-day forecast.

1.5 days / month

~5% of days

Why this matters
  • Expected days 1.5 days / month
  • Probability ~5% of days
  • Intensity Up to ~105km/h (P95)

Severe gusts are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Wind High impact

Wind disruption Measures: Disruptive wind days. Observed about 2% of days (0.6 days/month) in January. Historical risk signal only, not a day-by-day forecast.

0.6 days / month

~2% of days

Why this matters
  • Expected days 0.6 days / month
  • Probability ~2% of days
  • Intensity Up to ~109km/h (P95)

Disruptive wind is possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Show all disruptions (24 more)
Wind High impact

Stormy conditions Measures: Storm-impact proxy days. Observed about 1% of days (0.5 days/month) in January. Historical risk signal only, not a day-by-day forecast.

0.5 days / month

~1% of days

Why this matters
  • Expected days 0.5 days / month
  • Probability ~1% of days
  • Intensity Up to ~95km/h (P95)

Stormy conditions are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Rain High impact

Washout run Measures: Multi-day washout runs. Observed about 0.3 days/month in January. Historical risk signal only, not a day-by-day forecast.

0.3 days / month

Probability unavailable

Why this matters
  • Expected days 0.3 days / month
  • Probability
  • Intensity Up to ~11mm (P95)

Multi-day washout runs are possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Wind High impact

Wind disruption run Measures: Multi-day wind disruption runs. Observed about 0.1 days/month in January. Historical risk signal only, not a day-by-day forecast.

0.1 days / month

Probability unavailable

Why this matters
  • Expected days 0.1 days / month
  • Probability
  • Intensity Up to ~107km/h (P95)

Multi-day disruptive wind runs are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Cold Moderate

Hard freeze nights Measures: Hard freeze nights (min <=-2C). Observed about 14% of days (4.2 days/month) in January. Historical risk signal only, not a day-by-day forecast.

4.2 days / month

~14% of days

Why this matters
  • Expected days 4.2 days / month
  • Probability ~14% of days
  • Intensity Up to ~-2°C (P95)

Hard freeze conditions are possible on ~4 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.

Visibility Moderate

Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 12% of days (3.9 days/month) in January. Historical risk signal only, not a day-by-day forecast.

3.9 days / month

~12% of days

Why this matters
  • Expected days 3.9 days / month
  • Probability ~12% of days
  • Intensity Up to ~98% (P95)

Fog-likely conditions are possible on ~4 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Cold Moderate

Wind chill risk Measures: Wind chill risk days. Observed about 11% of days (3.3 days/month) in January. Historical risk signal only, not a day-by-day forecast.

3.3 days / month

~11% of days

Why this matters
  • Expected days 3.3 days / month
  • Probability ~11% of days
  • Intensity Up to ~-0°C (P95)

Wind chill risk is possible on ~3 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Rain Moderate

Rain disruption Measures: Likely rain disruption days. Observed about 10% of days (3.2 days/month) in January. Historical risk signal only, not a day-by-day forecast.

3.2 days / month

~10% of days

Why this matters
  • Expected days 3.2 days / month
  • Probability ~10% of days
  • Intensity Up to ~16mm (P95)

Rain disruption risk appears on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Snow Moderate

Snow days Measures: Snow days (>=0.1mm snowfall). Observed about 7% of days (2.1 days/month) in January. Historical risk signal only, not a day-by-day forecast.

2.1 days / month

~7% of days

Why this matters
  • Expected days 2.1 days / month
  • Probability ~7% of days
  • Intensity Up to ~2.3mm (P95)

Snowfall is possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Cold Moderate

Cold snap run Measures: Cold snap runs (>=3 cold days). Observed about 2.1 days/month in January. Historical risk signal only, not a day-by-day forecast.

2.1 days / month

Probability unavailable

Why this matters
  • Expected days 2.1 days / month
  • Probability
  • Intensity Up to ~9°C (P95)

Cold snap runs are possible on ~2 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.

Rain Moderate

Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 3% of days (0.8 days/month) in January. Historical risk signal only, not a day-by-day forecast.

0.8 days / month

~3% of days

Why this matters
  • Expected days 0.8 days / month
  • Probability ~3% of days
  • Intensity Up to ~17mm (P95)

Heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Daylight Minor

Short daylight Measures: Short daylight days (<=9h). Observed about 96% of days (29.8 days/month) in January. Historical risk signal only, not a day-by-day forecast.

29.8 days / month

~96% of days

Why this matters
  • Expected days 29.8 days / month
  • Probability ~96% of days
  • Intensity Up to ~8.9h (P95)

Short daylight windows are possible on ~30 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

High humidity Measures: High humidity days (RH >=80%). Observed about 84% of days (25.9 days/month) in January. Historical risk signal only, not a day-by-day forecast.

25.9 days / month

~84% of days

Why this matters
  • Expected days 25.9 days / month
  • Probability ~84% of days
  • Intensity Up to ~95% (P95)

High humidity is possible on ~26 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Cold Minor

Cold nights Measures: Cold nights (min <=5C). Observed about 81% of days (25.1 days/month) in January. Historical risk signal only, not a day-by-day forecast.

25.1 days / month

~81% of days

Why this matters
  • Expected days 25.1 days / month
  • Probability ~81% of days
  • Intensity Up to ~5°C (P95)

Cold nights are possible on ~25 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.

Cold Minor

Cold days Measures: Cold days (max <=10C). Observed about 78% of days (24.2 days/month) in January. Historical risk signal only, not a day-by-day forecast.

24.2 days / month

~78% of days

Why this matters
  • Expected days 24.2 days / month
  • Probability ~78% of days
  • Intensity Up to ~10°C (P95)

Cold daytime conditions are possible on ~24 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.

Cloud Minor

Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 72% of days (22.4 days/month) in January. Historical risk signal only, not a day-by-day forecast.

22.4 days / month

~72% of days

Why this matters
  • Expected days 22.4 days / month
  • Probability ~72% of days
  • Intensity Up to ~100% (P95)

Cloudy skies are possible on ~22 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind Minor

Gusty days Measures: Gusty days (>=40 km/h). Observed about 58% of days (18.1 days/month) in January. Historical risk signal only, not a day-by-day forecast.

18.1 days / month

~58% of days

Why this matters
  • Expected days 18.1 days / month
  • Probability ~58% of days
  • Intensity Up to ~86km/h (P95)

Gusty conditions are possible on ~18 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Rain Minor

Wet days Measures: Wet days (>=0.1mm). Observed about 57% of days (17.5 days/month) in January. Historical risk signal only, not a day-by-day forecast.

17.5 days / month

~57% of days

Why this matters
  • Expected days 17.5 days / month
  • Probability ~57% of days
  • Intensity Up to ~9.7mm (P95)

Measurable rain is possible on ~18 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Cloud Minor

Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 47% of days (14.5 days/month) in January. Historical risk signal only, not a day-by-day forecast.

14.5 days / month

~47% of days

Why this matters
  • Expected days 14.5 days / month
  • Probability ~47% of days
  • Intensity Up to ~100% (P95)

Mostly cloudy skies are possible on ~15 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Rain Minor

Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 43% of days (13.3 days/month) in January. Historical risk signal only, not a day-by-day forecast.

13.3 days / month

~43% of days

Why this matters
  • Expected days 13.3 days / month
  • Probability ~43% of days
  • Intensity Up to ~14h (P95)

Several rainy hours are possible on ~13 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain Minor

Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 24% of days (7.6 days/month) in January. Historical risk signal only, not a day-by-day forecast.

7.6 days / month

~24% of days

Why this matters
  • Expected days 7.6 days / month
  • Probability ~24% of days
  • Intensity Up to ~17h (P95)

Wet-most-of-day conditions are possible on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Cloud Minor

Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 21% of days (6.6 days/month) in January. Historical risk signal only, not a day-by-day forecast.

6.6 days / month

~21% of days

Why this matters
  • Expected days 6.6 days / month
  • Probability ~21% of days
  • Intensity Up to ~100% (P95)

Overcast skies are possible on ~7 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind Minor

Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 19% of days (6.0 days/month) in January. Historical risk signal only, not a day-by-day forecast.

6.0 days / month

~19% of days

Why this matters
  • Expected days 6.0 days / month
  • Probability ~19% of days
  • Intensity Up to ~37km/h (P95)

Breezy conditions are possible on ~6 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Other Minor

Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 12% of days (3.9 days/month) in January. Historical risk signal only, not a day-by-day forecast.

3.9 days / month

~12% of days

Why this matters
  • Expected days 3.9 days / month
  • Probability ~12% of days
  • Intensity Up to ~98 (P95)

Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~4 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind Minor

Windy days Measures: Windy days (mean wind >=35 km/h). Observed about 2% of days (0.6 days/month) in January. Historical risk signal only, not a day-by-day forecast.

0.6 days / month

~2% of days

Why this matters
  • Expected days 0.6 days / month
  • Probability ~2% of days
  • Intensity Up to ~40km/h (P95)

Strong mean winds are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Frequently asked questions

Is January a good time to visit Cambridge?

Typical January days in Cambridge reach highs of 7°C (45°F) with nights around 2°C (36°F). It usually feels chilly by day and cold after dark. Overall, January sits in the middle of the Cambridge climate range.

What are temperatures like in January?

Daytime temperatures in January typically peak near 7°C (45°F), while nights drop to around 2°C (36°F). Expect chilly afternoons and cold evenings.

How much does it rain in January?

Rainfall in January averages 50 mm (2.0 in) across roughly 14 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.

How many hours of daylight are there in January?

You can expect about 8 hours of daylight in January. Sunrise is typically around 07:58 and sunset near 16:18. Daylight is quite limited, and it can feel like a short-day season.

How strong is the sun in January?

UV levels are usually low (around 2), so standard sun protection is enough.

Is it windy in January?

In January, average wind speeds are around 18 km/h (11 mph), with gusts on the windiest days reaching about 70 km/h (43 mph). On the ground, it is it is a notably windy place, and strong gusts are fairly common.

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