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Monthly climate in Buff Bay, Portland, Jamaica

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Buff Bay features a tropical savanna climate (Aw).Temperatures typically range between 24 °C (76 °F) and 28 °C (82 °F) through the year, but rarely can drop to 20 °C (67 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 1116 mm (43.9 inches) and receives 209 rainy days on the 1 mm (0.04 inches) threshold annually.Buff Bay enjoys an average of 3819 hours of sunshine throughout the year, and daylight varies from 11 hours 2 minutes to 13 hours 11 minutes per day.

Monthly average temperatures in Buff Bay, Portland, Jamaica §

The warmest months in Buff Bay are July, August and September, with daily mean temperatures ranging from 27 to 28 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 24 to 24 °C (76 - 76 °F) throughout the day. On average each year, Buff Bay experiences 324 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 Buff Bay, Portland, Jamaica.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 29°C
(84°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(90°F)		 33°C
(92°F)		 30°C
(87°F)		 30°C
(85°F)		 29°C
(84°F)
Mean maximum 28°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)		 31°C
(89°F)		 32°C
(89°F)		 32°C
(89°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(84°F)
Average high 27°C
(80°F)		 26°C
(80°F)		 27°C
(80°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(85°F)		 30°C
(87°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)		 28°C
(82°F)		 27°C
(81°F)
Daily mean 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(78°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(77°F)
Average low 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)
Mean minimum 20°C
(69°F)		 21°C
(70°F)		 21°C
(70°F)		 22°C
(71°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 22°C
(73°F)		 22°C
(72°F)
Minimum 20°C
(67°F)		 20°C
(69°F)		 20°C
(68°F)		 21°C
(70°F)		 22°C
(72°F)		 23°C
(73°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(73°F)		 22°C
(72°F)		 21°C
(71°F)

Compare climate in Buff Bay with other places

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

Monthly average precipitation in Buff Bay, Portland, Jamaica §

Buff Bay usually has the most precipitation in September, October and November, with an average of 22 rainy days and 153 mm (6.0 inches) of precipitation per month.The driest months in Buff Bay are February, June and July. On average, 47 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Buff Bay, Portland, Jamaica.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 70 (2.8) 54 (2.1) 81 (3.2) 78 (3.1) 111 (4.4) 49 (1.9) 39 (1.5) 88 (3.5) 111 (4.4) 185 (7.3) 162 (6.4) 88 (3.5)
Average precipitation days (≥ 1 mm) 14 17 17 14 19 14 11 17 19 25 23 19

Monthly sunshine hours in Buff Bay, Portland, Jamaica §

The sunniest months in Buff Bay are March, April and July, when the sun shines an average of 11 hours 16 minutes a day.Least sunny months in Buff Bay: January, February and November receive an average of 9 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Buff Bay, Portland, Jamaica.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 246 301 342 342 329 338 352 341 321 306 289 308
Mean daily daylight hours 11h 9m 11h 32m 12h 2m 12h 33m 12h 59m 13h 11m 13h 4m 12h 42m 12h 12m 11h 41m 11h 15m 11h 2m

Solar UV radiation in Buff Bay, Portland, Jamaica §

Buff Bay 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 Buff Bay UV Index data.

Average daily maximum UV levels by month for Buff Bay, Portland, Jamaica.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 9 11 13 14 13 13 13 13 12 11 9 8