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Monthly climate in Hamilton, Bermuda

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hamilton features a humid continental climate (Dfb). Temperatures typically range between 18 °C (65 °F) and 27 °C (81 °F) through the year, but rarely can drop to 11 °C (52 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 1280 mm (50.4 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually. Hamilton enjoys an average of 3412 hours of sunshine throughout the year, and daylight varies from 10 hours 3 minutes to 14 hours 13 minutes per day.

Monthly average temperatures in Hamilton, Bermuda

The warmest months in Hamilton are July, August and September, with daily mean temperatures ranging from 26 to 27 °C (79 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 18 to 19 °C (65 - 66 °F) throughout the day. On average each year, Hamilton experiences 107 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hamilton. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum22°C
(73°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		25°C
(78°F)		27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		27°C
(81°F)		26°C
(78°F)		24°C
(75°F)
Mean maximum22°C
(72°F)		22°C
(71°F)		22°C
(71°F)		22°C
(72°F)		24°C
(75°F)		26°C
(79°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		26°C
(80°F)		25°C
(77°F)		23°C
(74°F)
Average high20°C
(68°F)		20°C
(68°F)		19°C
(67°F)		20°C
(69°F)		22°C
(72°F)		25°C
(77°F)		27°C
(80°F)		28°C
(82°F)		27°C
(81°F)		25°C
(78°F)		23°C
(74°F)		21°C
(71°F)
Daily mean19°C
(66°F)		19°C
(66°F)		18°C
(65°F)		19°C
(67°F)		22°C
(71°F)		24°C
(76°F)		26°C
(79°F)		27°C
(81°F)		26°C
(80°F)		25°C
(76°F)		22°C
(73°F)		20°C
(69°F)
Average low18°C
(64°F)		18°C
(65°F)		17°C
(63°F)		19°C
(66°F)		21°C
(70°F)		24°C
(75°F)		25°C
(78°F)		26°C
(80°F)		26°C
(79°F)		24°C
(75°F)		22°C
(71°F)		19°C
(67°F)
Mean minimum13°C
(56°F)		15°C
(58°F)		13°C
(56°F)		16°C
(61°F)		18°C
(64°F)		22°C
(71°F)		24°C
(75°F)		25°C
(77°F)		24°C
(75°F)		22°C
(72°F)		18°C
(65°F)		17°C
(62°F)
Minimum12°C
(54°F)		13°C
(56°F)		11°C
(52°F)		15°C
(58°F)		16°C
(62°F)		18°C
(65°F)		23°C
(74°F)		24°C
(76°F)		23°C
(74°F)		21°C
(70°F)		17°C
(62°F)		16°C
(61°F)

Compare climate in Hamilton with other places

Compare temperature, precipitation, sunshine, UV index in Hamilton, Bermuda with other places around the world.

Monthly average precipitation in Hamilton, Bermuda

Hamilton usually has the most precipitation in March, September and November, with an average of 15 rainy days and 137 mm (5.4 inches) of precipitation per month. The driest months in Hamilton are April, May and August. On average, 78 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hamilton. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)116 (4.6)104 (4.1)136 (5.4)77 (3.0)74 (2.9)109 (4.3)120 (4.7)84 (3.3)131 (5.2)91 (3.6)144 (5.7)94 (3.7)
Average precipitation days (≥ 1 mm)1391412714191616121512

Monthly sunshine hours in Hamilton, Bermuda

The sunniest months in Hamilton are May, July and August, when the sun shines an average of 11 hours 52 minutes a day. Least sunny months in Hamilton: January, February and December receive an average of 6 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hamilton. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours149215253307358345372373308282227217
Mean daily daylight hours10h 17m11h 2m12h 0m12h 59m13h 49m14h 13m13h 59m13h 16m12h 19m11h 20m10h 29m10h 3m

Solar UV radiation in Hamilton, Bermuda

Hamilton experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Hamilton UV Index data.

Average daily maximum UV levels by month for Hamilton. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)579101112121110964