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Monthly climate in Port Antonio, Jamaica

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Port Antonio features a tropical savanna climate (Aw).Temperatures typically range between 24 °C (76 °F) and 27 °C (81 °F) through the year, but rarely can drop to 20 °C (69 °F) or can rise to as high as 32 °C (89 °F).The average annual precipitation amounts to about 1452 mm (57.2 inches) and receives 257 rainy days on the 1 mm (0.04 inches) threshold annually.Port Antonio enjoys an average of 3839 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 Port Antonio, Jamaica §

The warmest months in Port Antonio are July, August and September, with daily mean temperatures ranging from 27 to 27 °C (81 - 81 °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, Port Antonio experiences 313 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 Port Antonio, 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 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°F)		 31°C
(87°F)		 31°C
(87°F)		 32°C
(89°F)		 30°C
(86°F)		 29°C
(85°F)		 28°C
(83°F)
Mean maximum 27°C
(80°F)		 26°C
(80°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(87°F)		 29°C
(85°F)		 28°C
(83°F)		 28°C
(82°F)
Average high 26°C
(78°F)		 25°C
(78°F)		 26°C
(78°F)		 26°C
(80°F)		 27°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(80°F)
Daily mean 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(77°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(80°F)		 26°C
(79°F)		 25°C
(77°F)
Average low 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(76°F)		 25°C
(78°F)		 26°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(77°F)		 25°C
(76°F)		 24°C
(75°F)
Mean minimum 22°C
(71°F)		 22°C
(71°F)		 22°C
(71°F)		 22°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(77°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)
Minimum 20°C
(69°F)		 21°C
(71°F)		 21°C
(69°F)		 22°C
(72°F)		 23°C
(73°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(73°F)		 22°C
(72°F)

Compare climate in Port Antonio with other places

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

Monthly average precipitation in Port Antonio, Jamaica §

Port Antonio usually has the most precipitation in May, October and November, with an average of 24 rainy days and 182 mm (7.2 inches) of precipitation per month.The driest months in Port Antonio are February, June and July. On average, 72 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Antonio, 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) 94 (3.7) 78 (3.1) 122 (4.8) 105 (4.1) 142 (5.6) 75 (2.9) 63 (2.5) 130 (5.1) 119 (4.7) 222 (8.7) 183 (7.2) 120 (4.7)
Average precipitation days (≥ 1 mm) 18 21 21 20 23 20 18 22 23 26 23 22

Monthly sunshine hours in Port Antonio, Jamaica §

The sunniest months in Port Antonio are March, April and July, when the sun shines an average of 11 hours 19 minutes a day.Least sunny months in Port Antonio: January, February and November receive an average of 9 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Antonio, 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 248 302 344 343 332 341 354 342 321 308 290 310
Mean daily daylight hours 11h 9m 11h 32m 12h 2m 12h 33m 12h 58m 13h 11m 13h 4m 12h 41m 12h 12m 11h 42m 11h 15m 11h 2m

Solar UV radiation in Port Antonio, Jamaica §

Port Antonio 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 Port Antonio UV Index data.

Average daily maximum UV levels by month for Port Antonio, 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