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Hamilton, Bermuda climate
Af Tropical rainforest
Hamilton has a mildly seasonal warm-temperate climate (Tropical rainforest, Köppen Af). The hottest month is August with an average daily high near 30°C, while the coldest is February averaging around 15°C at night. Precipitation is fairly even year-round, totalling about 1447 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Hamilton climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 21 | 22 | 25 | 27 | 30 | 30 | 29 | 27 | 24 | 23 |
| Avg temp (°C) | 18 | 18 | 18 | 20 | 22 | 25 | 27 | 28 | 27 | 24 | 22 | 20 |
| Avg low (°C) | 16 | 15 | 15 | 17 | 19 | 22 | 25 | 25 | 24 | 22 | 19 | 17 |
| Precipitation (mm) | 129 | 125 | 132 | 84 | 82 | 116 | 111 | 156 | 145 | 141 | 109 | 116 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 21 | 22 | 25 | 27 |
| Avg temp (°C) | 18 | 18 | 18 | 20 | 22 | 25 |
| Avg low (°C) | 16 | 15 | 15 | 17 | 19 | 22 |
| Precipitation (mm) | 129 | 125 | 132 | 84 | 82 | 116 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 29 | 27 | 24 | 23 |
| Avg temp (°C) | 27 | 28 | 27 | 24 | 22 | 20 |
| Avg low (°C) | 25 | 25 | 24 | 22 | 19 | 17 |
| Precipitation (mm) | 111 | 156 | 145 | 141 | 109 | 116 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 17 | 16 | 16 | 12 | 10 | 12 | 13 | 16 | 15 | 16 | 16 | 16 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | — | 1 | 3 | 0.6 | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 17 | 16 | 16 | 12 | 10 | 12 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 16 | 15 | 16 | 16 | 16 |
| Days with high ≥ 32°C (days) | 1 | 3 | 0.6 | — | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 78 | 76 | 66 | 63 | 60 | 50 | 52 | 59 | 67 | 69 | 76 |
| Relative humidity (%) | 76 | 77 | 77 | 79 | 82 | 84 | 81 | 79 | 78 | 77 | 75 | 75 |
| Wind speed (m/s) | 7.2 | 7.1 | 7.0 | 5.9 | 5.1 | 4.6 | 4.5 | 4.3 | 4.8 | 5.7 | 6.3 | 6.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 78 | 76 | 66 | 63 | 60 |
| Relative humidity (%) | 76 | 77 | 77 | 79 | 82 | 84 |
| Wind speed (m/s) | 7.2 | 7.1 | 7.0 | 5.9 | 5.1 | 4.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 50 | 52 | 59 | 67 | 69 | 76 |
| Relative humidity (%) | 81 | 79 | 78 | 77 | 75 | 75 |
| Wind speed (m/s) | 4.5 | 4.3 | 4.8 | 5.7 | 6.3 | 6.7 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 24 years of daily observations at L F Wade Intl AP Kindley Fld, a weather station, about 12 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.