Avg High
Lisbon in January
Avg Low
Rain
Daylight
10h
What to expect
Lisbon is in mid-winter during January, with the season well established by this point. It usually feels cool and fresh, with a fairly even feel across the day. Conditions tend to feel steady, which makes planning simple. Shorter daylight windows make plan sequencing more important.
January in context
How it compares to the rest of the year in Lisbon.
Hottest (avg)
#12 / 12
Wettest (avg)
#4 / 12
Daylight Hours
#11 / 12
Windiest (avg)
#9 / 12
Highest UV
#11 / 12
Most Humid
#2 / 12
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 9.8 h
- UV index (max)
- 4
- Typical sun hours
- 07:51 - 17:39
Rain & Snow
- Total rain
-
- Rainy days
- 11 days
- Cloud cover (avg)
- 53%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 82%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for January. Typical high 13.8°C and low 9.9°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 37% of days (11.4 days/month) in January. Historical risk signal only, not a day-by-day forecast.
11.4 days / month
~37% of days
Why this matters
- Expected days 11.4 days / month
- Probability ~37% of days
- Intensity Up to ~5°C (P95)
Cold feels-like nights are possible on ~11 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Rain High impact
Washout risk Measures: Washout day risk. Observed about 15% of days (4.7 days/month) in January. Historical risk signal only, not a day-by-day forecast.
4.7 days / month
~15% of days
Why this matters
- Expected days 4.7 days / month
- Probability ~15% of days
- Intensity Up to ~25mm (P95)
Washout conditions are possible on ~5 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wind High impact
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 11% of days (3.4 days/month) in January. Historical risk signal only, not a day-by-day forecast.
3.4 days / month
~11% of days
Why this matters
- Expected days 3.4 days / month
- Probability ~11% of days
- Intensity Up to ~88km/h (P95)
Strong gusts are possible on ~3 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wind High impact
Stormy conditions Measures: Storm-impact proxy days. Observed about 5% of days (1.7 days/month) in January. Historical risk signal only, not a day-by-day forecast.
1.7 days / month
~5% of days
Why this matters
- Expected days 1.7 days / month
- Probability ~5% of days
- Intensity Up to ~88km/h (P95)
Stormy conditions are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wind High impact
Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 2% of days (0.5 days/month) in January. Historical risk signal only, not a day-by-day forecast.
0.5 days / month
~2% of days
Why this matters
- Expected days 0.5 days / month
- Probability ~2% of days
- Intensity Up to ~103km/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.
Rain Moderate
Rain disruption Measures: Likely rain disruption days. Observed about 15% of days (4.7 days/month) in January. Historical risk signal only, not a day-by-day forecast.
4.7 days / month
~15% of days
Why this matters
- Expected days 4.7 days / month
- Probability ~15% of days
- Intensity Up to ~25mm (P95)
Rain disruption risk appears on ~5 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Show all disruptions (20 more)
Rain High impact
Washout run Measures: Multi-day washout runs. Observed about 1.1 days/month in January. Historical risk signal only, not a day-by-day forecast.
1.1 days / month
Probability unavailable
Why this matters
- Expected days 1.1 days / month
- Probability —
- Intensity Up to ~23mm (P95)
Multi-day washout runs are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wind High impact
Wind disruption Measures: Disruptive wind days. Observed about 1% of days (0.3 days/month) in January. Historical risk signal only, not a day-by-day forecast.
0.3 days / month
~1% of days
Why this matters
- Expected days 0.3 days / month
- Probability ~1% of days
- Intensity Up to ~103km/h (P95)
Disruptive wind is possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rain High impact
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 1% of days (0.2 days/month) in January. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~38mm (P95)
Very heavy rain is possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain Moderate
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 8% of days (2.4 days/month) in January. Historical risk signal only, not a day-by-day forecast.
2.4 days / month
~8% of days
Why this matters
- Expected days 2.4 days / month
- Probability ~8% of days
- Intensity Up to ~27mm (P95)
Heavy rain is possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Visibility Moderate
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 6% of days (1.8 days/month) in January. Historical risk signal only, not a day-by-day forecast.
1.8 days / month
~6% of days
Why this matters
- Expected days 1.8 days / month
- Probability ~6% of days
- Intensity Up to ~96% (P95)
Fog-likely conditions are possible on ~2 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 65% of days (20.1 days/month) in January. Historical risk signal only, not a day-by-day forecast.
20.1 days / month
~65% of days
Why this matters
- Expected days 20.1 days / month
- Probability ~65% of days
- Intensity Up to ~95% (P95)
High humidity is possible on ~20 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Cloud Minor
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 48% of days (14.8 days/month) in January. Historical risk signal only, not a day-by-day forecast.
14.8 days / month
~48% of days
Why this matters
- Expected days 14.8 days / month
- Probability ~48% of days
- Intensity Up to ~100% (P95)
Cloudy skies are possible on ~15 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rain Minor
Wet days Measures: Wet days (>=0.1mm). Observed about 44% of days (13.6 days/month) in January. Historical risk signal only, not a day-by-day forecast.
13.6 days / month
~44% of days
Why this matters
- Expected days 13.6 days / month
- Probability ~44% of days
- Intensity Up to ~20mm (P95)
Measurable rain is possible on ~14 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 39% of days (12.2 days/month) in January. Historical risk signal only, not a day-by-day forecast.
12.2 days / month
~39% of days
Why this matters
- Expected days 12.2 days / month
- Probability ~39% of days
- Intensity Up to ~79km/h (P95)
Gusty conditions are possible on ~12 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rain Minor
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 35% of days (10.8 days/month) in January. Historical risk signal only, not a day-by-day forecast.
10.8 days / month
~35% of days
Why this matters
- Expected days 10.8 days / month
- Probability ~35% of days
- Intensity Up to ~20h (P95)
Several rainy hours are possible on ~11 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cloud Minor
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 28% of days (8.6 days/month) in January. Historical risk signal only, not a day-by-day forecast.
8.6 days / month
~28% of days
Why this matters
- Expected days 8.6 days / month
- Probability ~28% of days
- Intensity Up to ~100% (P95)
Mostly cloudy skies are possible on ~9 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rain Minor
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 26% of days (8.2 days/month) in January. Historical risk signal only, not a day-by-day forecast.
8.2 days / month
~26% of days
Why this matters
- Expected days 8.2 days / month
- Probability ~26% of days
- Intensity Up to ~21h (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.
Wind Minor
Breezy days Measures: Breezy days (mean wind >=25 km/h). 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 ~36km/h (P95)
Breezy conditions are possible on ~4 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cloud Minor
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 11% of days (3.4 days/month) in January. Historical risk signal only, not a day-by-day forecast.
3.4 days / month
~11% of days
Why this matters
- Expected days 3.4 days / month
- Probability ~11% of days
- Intensity Up to ~100% (P95)
Overcast skies are possible on ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cold Minor
Cold nights Measures: Cold nights (min <=5C). Observed about 7% of days (2.0 days/month) in January. Historical risk signal only, not a day-by-day forecast.
2.0 days / month
~7% of days
Why this matters
- Expected days 2.0 days / month
- Probability ~7% of days
- Intensity Up to ~5°C (P95)
Cold nights are possible on ~2 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
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 6% of days (1.8 days/month) in January. Historical risk signal only, not a day-by-day forecast.
1.8 days / month
~6% of days
Why this matters
- Expected days 1.8 days / month
- Probability ~6% of days
- Intensity Up to ~96 (P95)
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cold Minor
Cold days Measures: Cold days (max <=10C). 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 ~10°C (P95)
Cold daytime conditions are possible on ~1 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Cold Minor
Wind chill risk Measures: Wind chill risk days. Observed about 1% of days (0.4 days/month) in January. Historical risk signal only, not a day-by-day forecast.
0.4 days / month
~1% of days
Why this matters
- Expected days 0.4 days / month
- Probability ~1% of days
- Intensity Up to ~-0°C (P95)
Wind chill risk is possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wind Minor
Windy days Measures: Windy days (mean wind >=35 km/h). Observed about 1% of days (0.3 days/month) in January. Historical risk signal only, not a day-by-day forecast.
0.3 days / month
~1% of days
Why this matters
- Expected days 0.3 days / month
- Probability ~1% of days
- Intensity Up to ~47km/h (P95)
Strong mean winds are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cold Minor
Cold snap run Measures: Cold snap runs (>=3 cold days). 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 ~9°C (P95)
Cold snap runs are possible on ~0 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Frequently asked questions
Is January a good time to visit Lisbon?
Typical January days in Lisbon reach highs of 14°C (57°F) with nights around 9°C (48°F). It usually feels cool by day and cool after dark. Overall, January sits in the middle of the Lisbon climate range.
What are temperatures like in January?
In January, you can usually expect highs of 14°C (57°F) and lows near 9°C (48°F). That means cool days and cool nights, so pack layers you can add or remove.
How much does it rain in January?
Rainfall in January averages 69 mm (2.7 in) across roughly 11 days. Overall it is a quite rainy 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 10 hours of daylight in January. Sunrise is typically around 07:51 and sunset near 17:39. Days are on the shorter side, so plan activities around limited daylight.
How strong is the sun in January?
UV levels are moderate (around 4); sunscreen and sunglasses are still a good idea.
Is it windy in January?
In January, average wind speeds are around 16 km/h (10 mph), with gusts on the windiest days reaching about 62 km/h (39 mph). On the ground, it is it is a notably windy place, and strong gusts are fairly common.