Avg High
Hamilton in March
Avg Low
Rain
Daylight
12h
What to expect
In Hamilton, March sits in early autumn, a shoulder-season month where the feel can shift as the season turns. Most days land in a mild, easygoing zone, with evenings that ease back comfortably. Daylight is moderate, so steady pacing works well. Comfort is usually predictable, so a standard day plan works well.
March in context
How it compares to the rest of the year in Hamilton.
Hottest (avg)
#3 / 12
Wettest (avg)
#12 / 12
Daylight Hours
#6 / 12
Windiest (avg)
#11 / 12
Highest UV
#6 / 12
Most Humid
#10 / 12
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 12.3 h
- UV index (max)
- 8
- Typical sun hours
- 07:17 - 19:36
Rain & Snow
- Total rain
-
- Rainy days
- 12 days
- Cloud cover (avg)
- 56%
Humidity & Wind
- Humidity (avg)
- 76%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for March. Typical high 21.2°C and low 12.7°C.
Typical disruptions in March
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in March.
Rain High impact
Rain disruption Measures: Likely rain disruption days. Observed about 13% of days (4.1 days/month) in March. Historical risk signal only, not a day-by-day forecast.
4.1 days / month
~13% of days
Why this matters
- Expected days 4.1 days / month
- Probability ~13% of days
- Intensity Up to ~36mm (P95)
Rain disruption risk appears on ~4 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain High impact
Washout risk Measures: Washout day risk. Observed about 13% of days (4.0 days/month) in March. Historical risk signal only, not a day-by-day forecast.
4.0 days / month
~13% of days
Why this matters
- Expected days 4.0 days / month
- Probability ~13% of days
- Intensity Up to ~36mm (P95)
Washout conditions are possible on ~4 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 5% of days (1.5 days/month) in March. 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 ~80km/h (P95)
Strong 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
Stormy conditions Measures: Storm-impact proxy days. Observed about 3% of days (1.0 days/month) in March. Historical risk signal only, not a day-by-day forecast.
1.0 days / month
~3% of days
Why this matters
- Expected days 1.0 days / month
- Probability ~3% of days
- Intensity Up to ~79km/h (P95)
Stormy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cold Moderate
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 4% of days (1.1 days/month) in March. Historical risk signal only, not a day-by-day forecast.
1.1 days / month
~4% of days
Why this matters
- Expected days 1.1 days / month
- Probability ~4% of days
- Intensity Up to ~5°C (P95)
Cold feels-like nights are possible on ~1 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Show all disruptions (16 more)
Rain High impact
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 8% of days (2.5 days/month) in March. Historical risk signal only, not a day-by-day forecast.
2.5 days / month
~8% of days
Why this matters
- Expected days 2.5 days / month
- Probability ~8% of days
- Intensity Up to ~42mm (P95)
Heavy rain is possible on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain High impact
Washout run Measures: Multi-day washout runs. Observed about 0.9 days/month in March. Historical risk signal only, not a day-by-day forecast.
0.9 days / month
Probability unavailable
Why this matters
- Expected days 0.9 days / month
- Probability —
- Intensity Up to ~43mm (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.
Rain High impact
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 2% of days (0.5 days/month) in March. 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 ~49mm (P95)
Very heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain Minor
Wet days Measures: Wet days (>=0.1mm). Observed about 49% of days (15.3 days/month) in March. Historical risk signal only, not a day-by-day forecast.
15.3 days / month
~49% of days
Why this matters
- Expected days 15.3 days / month
- Probability ~49% of days
- Intensity Up to ~22mm (P95)
Measurable rain is possible on ~15 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cloud Minor
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 47% of days (14.4 days/month) in March. Historical risk signal only, not a day-by-day forecast.
14.4 days / month
~47% of days
Why this matters
- Expected days 14.4 days / month
- Probability ~47% of days
- Intensity Up to ~99% (P95)
Cloudy skies are possible on ~14 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 38% of days (11.9 days/month) in March. Historical risk signal only, not a day-by-day forecast.
11.9 days / month
~38% of days
Why this matters
- Expected days 11.9 days / month
- Probability ~38% of days
- Intensity Up to ~91% (P95)
High humidity is possible on ~12 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Wind Minor
Gusty days Measures: Gusty days (>=40 km/h). Observed about 38% of days (11.7 days/month) in March. Historical risk signal only, not a day-by-day forecast.
11.7 days / month
~38% of days
Why this matters
- Expected days 11.7 days / month
- Probability ~38% of days
- Intensity Up to ~66km/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 (11.0 days/month) in March. Historical risk signal only, not a day-by-day forecast.
11.0 days / month
~35% of days
Why this matters
- Expected days 11.0 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.
Rain Minor
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 24% of days (7.4 days/month) in March. Historical risk signal only, not a day-by-day forecast.
7.4 days / month
~24% of days
Why this matters
- Expected days 7.4 days / month
- Probability ~24% of days
- Intensity Up to ~22h (P95)
Wet-most-of-day conditions are possible on ~7 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 21% of days (6.6 days/month) in March. 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)
Mostly cloudy skies are possible on ~7 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cloud Minor
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 7% of days (2.3 days/month) in March. Historical risk signal only, not a day-by-day forecast.
2.3 days / month
~7% of days
Why this matters
- Expected days 2.3 days / month
- Probability ~7% of days
- Intensity Up to ~100% (P95)
Overcast skies are possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Humidity Minor
Humid days Measures: Humid days (dew point >=18C). Observed about 2% of days (0.7 days/month) in March. Historical risk signal only, not a day-by-day forecast.
0.7 days / month
~2% of days
Why this matters
- Expected days 0.7 days / month
- Probability ~2% of days
- Intensity Up to ~20°C (P95)
Humid conditions are possible on ~1 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Wind Minor
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 2% of days (0.5 days/month) in March. 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 ~33km/h (P95)
Breezy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Visibility Minor
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 1% of days (0.5 days/month) in March. 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 ~96% (P95)
Fog-likely conditions are possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
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 1% of days (0.5 days/month) in March. 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 ~96 (P95)
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Humidity Minor
Convective risk Measures: Convective storm risk proxy. Observed about 1% of days (0.4 days/month) in March. 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 ~20°C (P95)
Convective risk signal appears on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Frequently asked questions
Is March a good time to visit Hamilton?
Typical March days in Hamilton reach highs of 22°C (72°F) with nights around 13°C (55°F). It usually feels mild by day and cool after dark. It is one of the drier months, which suits outdoor exploring and sightseeing.
What are temperatures like in March?
In March, you can usually expect highs of 22°C (72°F) and lows near 13°C (55°F). That means mild days and cool nights, so pack layers you can add or remove.
How much does it rain in March?
Rainfall in March averages 75 mm (3.0 in) across roughly 12 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 March?
You can expect about 12 hours of daylight in March. Sunrise is typically around 07:17 and sunset near 19:36. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in March?
UV levels are often high (around 8). Regular sunscreen and a hat are recommended.
Is it windy in March?
In March, average wind speeds are around 12 km/h (7 mph), with gusts on the windiest days reaching about 53 km/h (33 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.