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Monthly climate in Williamsfield, Jamaica

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Williamsfield features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (78 °F) and 29 °C (84 °F) through the year, but rarely can drop to 19 °C (66 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 757 mm (29.8 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually. Williamsfield enjoys an average of 3813 hours of sunshine throughout the year, and daylight varies from 11 hours 3 minutes to 13 hours 10 minutes per day.

Monthly average temperatures in Williamsfield, Jamaica

The warmest months in Williamsfield are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 25 to 26 °C (78 - 79 °F) throughout the day. On average each year, Williamsfield experiences 329 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 Williamsfield. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		33°C
(91°F)		33°C
(92°F)		34°C
(94°F)		35°C
(95°F)		36°C
(96°F)		37°C
(99°F)		36°C
(97°F)		36°C
(97°F)		35°C
(96°F)		34°C
(94°F)		33°C
(92°F)
Mean maximum32°C
(89°F)		32°C
(90°F)		32°C
(91°F)		33°C
(91°F)		33°C
(92°F)		34°C
(94°F)		36°C
(97°F)		36°C
(97°F)		35°C
(95°F)		33°C
(92°F)		33°C
(91°F)		32°C
(90°F)
Average high30°C
(86°F)		30°C
(86°F)		30°C
(87°F)		30°C
(87°F)		31°C
(88°F)		32°C
(90°F)		33°C
(92°F)		33°C
(92°F)		32°C
(90°F)		31°C
(87°F)		31°C
(87°F)		30°C
(87°F)
Daily mean25°C
(78°F)		26°C
(78°F)		26°C
(79°F)		26°C
(80°F)		27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		28°C
(84°F)		28°C
(82°F)		27°C
(80°F)		26°C
(80°F)		26°C
(79°F)
Average low22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		23°C
(74°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		23°C
(73°F)
Mean minimum20°C
(68°F)		20°C
(69°F)		21°C
(69°F)		22°C
(71°F)		22°C
(72°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(75°F)		23°C
(74°F)		22°C
(71°F)		21°C
(71°F)
Minimum19°C
(66°F)		20°C
(68°F)		19°C
(67°F)		20°C
(68°F)		21°C
(71°F)		23°C
(73°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		21°C
(70°F)		20°C
(68°F)

Compare climate in Williamsfield with other places

Compare temperature, precipitation, sunshine, UV index in Williamsfield, Jamaica with other places around the world.

Monthly average precipitation in Williamsfield, Jamaica

Williamsfield usually has the most precipitation in May, September and October, with an average of 18 rainy days and 111 mm (4.4 inches) of precipitation per month. The driest months in Williamsfield are January, February and December. On average, 19 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Williamsfield. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)16 (0.6)19 (0.8)35 (1.4)57 (2.2)99 (3.9)46 (1.8)55 (2.2)91 (3.6)107 (4.2)127 (5.0)84 (3.3)20 (0.8)
Average precipitation days (≥ 1 mm)3781015911152021125

Monthly sunshine hours in Williamsfield, Jamaica

The sunniest months in Williamsfield are March, April and July, when the sun shines an average of 11 hours 17 minutes a day. Least sunny months in Williamsfield: January, February and November receive an average of 9 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Williamsfield. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours248301345343328335350338317303289311
Mean daily daylight hours11h 10m11h 33m12h 2m12h 32m12h 58m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m

Solar UV radiation in Williamsfield, Jamaica

Williamsfield experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Williamsfield UV Index data.

Average daily maximum UV levels by month for Williamsfield. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131413131313121298