Hamilton, Bermuda experiences average highs of 23°C (73°F) and lows of 21°C (70°F) throughout the year. Rainfall is frequent, averaging about 13 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have stayed broadly stable across the available records.
Hamilton, Bermuda Weather & Climate 2026
Monthly climate averages for Hamilton, Bermuda. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Dec 
Wetter season: Jan–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.3/10
Best: May, June
UV Index
6
High
Temperature 23°C / 21°C
Feels Like 24°C / 20°C
Rainy Days 13
Rainfall 110 mm
Sunshine 10 h
Humidity 76%
Wind Speed 32 km/h
Dew Point 18°C
Hottest Month
28°C
August
Avg Low26°C
Rain15days
Coldest Month
17°C
March
Avg High19°C
Rain12days
Driest Month
9days
May
Avg High22°C
Avg Low21°C
Windiest Month
42 km/h
January (Gusts 59)
Sea Temperature
20°C – 29°C
Warmest water: August (
28.5°C
)
Worst Time to Visit
Consider avoiding January due to heavy rainfall.
Sun Position
Sunrise 06:13
Daylight 14.3h
Sunset 20:29
Live conditions—
Hamilton on the map · live conditions
Hamilton, Bermuda
- Continent
- Americas
- Country
- Bermuda
- City
- Hamilton
- Population
- 902
- Coordinates
- 32.29°, -64.78°
Seasonal Breakdown
Spring
Mar–May
Avg High 21°C
Avg Low 19°C
Rain 10 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 26°C
Avg Low 25°C
Rain 14 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 25°C
Avg Low 23°C
Rain 14 days/mo
Winter
Dec–Feb
Avg High 20°C
Avg Low 18°C
Rain 12 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 20°C / 18°C . Feb: 20°C / 18°C . Mar: 19°C / 17°C . Apr: 20°C / 19°C . May: 22°C / 21°C . Jun: 25°C / 24°C . Jul: 27°C / 26°C . Aug: 28°C / 26°C . Sep: 27°C / 26°C . Oct: 25°C / 24°C . Nov: 23°C / 21°C . Dec: 21°C / 19°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 123 mm. Feb: 96 mm. Mar: 111 mm. Apr: 74 mm. May: 97 mm. Jun: 123 mm. Jul: 83 mm. Aug: 109 mm. Sep: 145 mm. Oct: 142 mm. Nov: 129 mm. Dec: 87 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 71%. Feb: 73%. Mar: 73%. Apr: 75%. May: 80%. Jun: 82%. Jul: 81%. Aug: 81%. Sep: 79%. Oct: 75%. Nov: 72%. Dec: 70%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 42 km/h . Feb: 38 km/h . Mar: 38 km/h . Apr: 33 km/h . May: 28 km/h . Jun: 26 km/h . Jul: 23 km/h . Aug: 23 km/h . Sep: 28 km/h . Oct: 33 km/h . Nov: 36 km/h . Dec: 37 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 8h. Mar: 9h. Apr: 11h. May: 12h. Jun: 12h. Jul: 12h. Aug: 12h. Sep: 10h. Oct: 9h. Nov: 8h. Dec: 7h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 20°C . Feb: 20°C . Mar: 20°C . Apr: 20°C . May: 22°C . Jun: 25°C . Jul: 28°C . Aug: 29°C . Sep: 28°C . Oct: 26°C . Nov: 23°C . Dec: 22°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 5. Mar: UV 6. Apr: UV 8. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 7. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 11 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | — | Aug · 28°C |
| Coldest month | — | Mar · 17°C |
| Wettest month | Sep 2025 · 239 mm | Sep · 145 mm |
| Windiest month | Jan 2025 · 47 km/h | Jan · 42 km/h |
Month-by-Month Weather Table
January
Fair 
February
Good March
Good April
Good May best
Excellent June best
Excellent July
Good August
Fair September
Good October
Good November
Good December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 20°C / 18°C | 17°C / 14°C | 15days (123 mm) Wet | 6.9h Fair | 71% Muggy | 3.4 Moderate | Fair | View Details |
| February | 20°C / 18°C | 18°C / 14°C | 11days (96 mm) Wet | 8h Good | 73% Muggy | 4.8 Moderate | Good | View Details |
| March | 19°C / 17°C | 17°C / 14°C | 12days (111 mm) Wet | 9.2h Good | 73% Muggy | 6.4 High | Good | View Details |
| April | 20°C / 19°C | 19°C / 16°C | 10days (74 mm) Wet | 10.8h Excellent | 75% Muggy | 7.5 Very High | Good | View Details |
| May best | 22°C / 21°C | 24°C / 20°C | 9days (97 mm) Wet | 11.5h Excellent | 80% Humid | 7.7 Very High | Excellent | View Details |
| June best | 25°C / 24°C | 28°C / 25°C | 14days (123 mm) Wet | 11.5h Excellent | 82% Humid | 8 Very High | Excellent | View Details |
| July | 27°C / 26°C | 31°C / 28°C | 14days (83 mm) Wet | 12.4h Excellent | 81% Humid | 8.3 Very High | Good | View Details |
| August | 28°C / 26°C | 32°C / 29°C | 15days (109 mm) Wet | 11.7h Excellent | 81% Humid | 8 Very High | Fair | View Details |
| September | 27°C / 26°C | 30°C / 27°C | 14days (145 mm) Wet | 10.2h Excellent | 79% Humid | 6.7 High | Good | View Details |
| October | 25°C / 24°C | 26°C / 23°C | 14days (142 mm) Wet | 8.8h Good | 75% Muggy | 5.2 High | Good | View Details |
| November | 23°C / 21°C | 22°C / 19°C | 13days (129 mm) Wet | 7.5h Good | 72% Muggy | 4 Moderate | Good | View Details |
| December | 21°C / 19°C | 19°C / 16°C | 11days (87 mm) Wet | 7.1h Good | 70% Muggy | 3.2 Moderate | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Hamilton are May, June, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Hamilton, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Hamilton is August, with average daytime highs of 28°C (82°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Hamilton is March, with average overnight lows of 17°C (63°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Hamilton is September, averaging 145mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Hamilton runs through January, August, June, July, with the heaviest rainfall in January. Based on 10-year averages for Hamilton.
Hamilton receives approximately 116 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Hamilton.
The least favorable months to visit Hamilton are January, primarily due to heavy rainfall. For the best conditions, consider May, June instead.
The annual average UV index in Hamilton is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Hamilton is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in May, June, July, August, September, October, November average 26°C (79°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Hamilton are 32 km/h (20 mph). The windiest month is January with peak winds reaching 42 km/h (26 mph) (gusts up to 59 km/h / 36 mph).
Hamilton averages 3 clear-sky days per month with overall cloud cover around 60%. The clearest skies occur in August.
The annual average dew point in Hamilton is 18°C (64°F), which feels noticeably humid. Summer months may feel slightly sticky, but conditions remain manageable for most people.
Hamilton has a Tropical Rainforest climate, classified as Af under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Hamilton ranges from 20°C (68°F) to 24°C (75°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Hamilton. It earns a climate score of 8.7/10 with Excellent.
For June in Hamilton, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 25°C (76°F) and 14 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
Last updated: