- Rain mm/yr
- 1,416
Updated July 2026 · Sources cited: weather-atlas.com, weather-and-climate.com
Good to know
Good to Know
- No snow, frost, or ice ever occurs in Hamilton—winters remain genuinely mild by tropical standards despite being cooler than the Caribbean.
- Hurricane season overlaps peak summer warmth. For the lowest risk and most comfortable weather, visit December through May.
- June is the muggiest month on average; if humidity bothers you, choose May, June, or late September to October instead for beach activities with milder weather.
- Rainfall is evenly spread throughout the year, but September tends wetter and April noticeably drier—plan water activities accordingly.
- Winter water temperatures (17–19°C / 63–66°F) require a wetsuit; summer sea reaches 26–27°C (79–81°F), ideal for swimming.
Peak Month
- Month
- August
Daytime High
- Celsius
- 29
- Fahrenheit
- 84
Nighttime Low
- Celsius
- 25
- Fahrenheit
- 77
Off Peak Month
- Month
- February
Daytime High
- Celsius
- 20
- Fahrenheit
- 68
Nighttime Low
- Celsius
- 16
- Fahrenheit
- 61
Humidity
Year-round humidity averages mid-70s. Highest humidity June through August (77–78%), with late June and August being exceptionally muggy. December through May is noticeably more comfortable.
Rainfall
- Pattern
- No true rainy season; precipitation distributed year-round with about 12–13 rainy days per month. Rain often falls as short, intense showers and thunderstorms that rarely spoil the day.
- Driest Months
- April is the driest month (91 mm / 3.6 in).
- Wettest Months
- September (151 mm / 5.9 in) is the wettest, followed by August and October. October also sees high rainfall.
- Annual Total Mm
- 1416
- Annual Total Inches
- 56
Hurricane Risk
- Season
- Official season June 1–November 30; statistically most active August through October.
- Frequency
- Average of one storm passing within 180 nautical miles of the island per year. Devastating direct hits occur roughly once per decade.
- Intensity
- Bermuda's latitude means surrounding ocean is cooler than the Gulf of Mexico, so hurricanes rarely strike at peak intensity. However, strong winds and heavy rain are possible. The coral reef belt, strict building codes, and well-rehearsed emergency protocols effectively mitigate damage.
- Note
- 2026 Atlantic outlook (NOAA, May 21) predicts below-normal activity: 8–14 named storms, 3–6 hurricanes, 1–3 major hurricanes.
Seasonal Overview
- Summer
- June through September features warm, oppressive conditions with temperatures ranging 24–27°C (75–81°F). High humidity and frequent afternoon thunderstorms are common, though usually brief. Sea temperatures peak around 26–27°C (79–81°F).
- Winter
- December through March is mild by subtropical standards, with temperatures 18–20°C (64–68°F). Water cools to 17–19°C (63–66°F), requiring a wetsuit for swimming. Winds are strong and persistent. Rainfall is moderate and evenly distributed. This is low season with significant hotel discounts.
- Best Months
- April through May and November offer pleasant, mild weather with lower rainfall and smaller crowds; these are ideal transition months between winter and summer.
- Worst Months
- Hurricane season runs June through November, with peak activity August through October. September is the wettest month with highest rainfall. Late June through August brings intense heat and humidity.
Sunshine And Daylight
April has the most sunshine. July and August average 273 and 226 hours respectively. December has the least. Longest days in June (14.3 hours), shortest in December (10 hours).
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
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Data last updated July 2026 · Verify anything important.