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Monthly climate in Port Royal, Kingston, Jamaica

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Port Royal features a tropical savanna climate (Aw).Temperatures typically range between 24 °C (76 °F) and 27 °C (82 °F) through the year, but rarely can drop to 20 °C (69 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 960 mm (37.8 inches) and receives 182 rainy days on the 1 mm (0.04 inches) threshold annually.Port Royal enjoys an average of 3839 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 Port Royal, Kingston, Jamaica §

The warmest months in Port Royal are July, August and September, with daily mean temperatures ranging from 27 to 27 °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 25 °C (76 - 76 °F) throughout the day. On average each year, Port Royal experiences 327 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 Royal, Kingston, 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)		 28°C
(84°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(89°F)		 32°C
(90°F)		 31°C
(87°F)		 30°C
(86°F)		 29°C
(85°F)
Mean maximum 28°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(85°F)		 30°C
(86°F)		 31°C
(88°F)		 31°C
(89°F)		 31°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)		 27°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(85°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)
Daily mean 24°C
(76°F)		 24°C
(76°F)		 25°C
(76°F)		 25°C
(78°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(82°F)		 27°C
(82°F)		 27°C
(81°F)		 26°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)
Average low 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)
Mean minimum 21°C
(70°F)		 22°C
(71°F)		 21°C
(71°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)
Minimum 20°C
(69°F)		 21°C
(70°F)		 20°C
(69°F)		 22°C
(71°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(72°F)

Compare climate in Port Royal with other places

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

Monthly average precipitation in Port Royal, Kingston, Jamaica §

Port Royal usually has the most precipitation in May, October and November, with an average of 20 rainy days and 147 mm (5.8 inches) of precipitation per month.The driest months in Port Royal are January, February and July. On average, 37 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Royal, Kingston, 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) 38 (1.5) 35 (1.4) 46 (1.8) 66 (2.6) 107 (4.2) 49 (1.9) 37 (1.5) 98 (3.8) 105 (4.1) 196 (7.7) 137 (5.4) 45 (1.8)
Average precipitation days (≥ 1 mm) 10 14 15 12 16 13 11 16 18 24 20 13

Monthly sunshine hours in Port Royal, Kingston, Jamaica §

The sunniest months in Port Royal are March, April and July, when the sun shines an average of 11 hours 21 minutes a day.Least sunny months in Port Royal: January, February and November receive an average of 9 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Royal, Kingston, 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 250 302 346 343 330 339 353 341 320 304 291 313
Mean daily daylight hours 11h 10m 11h 32m 12h 2m 12h 33m 12h 58m 13h 10m 13h 4m 12h 41m 12h 12m 11h 42m 11h 16m 11h 3m

Solar UV radiation in Port Royal, Kingston, Jamaica §

Port Royal 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 Royal UV Index data.

Average daily maximum UV levels by month for Port Royal, Kingston, 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 12 9 8