Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Jamaica features a humid continental climate (Dfb).Temperatures typically range between -5 °C (23 °F) and 21 °C (70 °F) through the year, but rarely can drop to -28 °C (-19 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1399 mm (55.1 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually.Jamaica enjoys an average of 2840 hours of sunshine throughout the year, and daylight varies from 9 hours 2 minutes to 15 hours 18 minutes per day.
The warmest months in Jamaica are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -3 °C (23 - 27 °F) throughout the day. On average each year, Jamaica experiences 49 days above 25 °C (77.0 °F) and 136 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 15°C (60°F) | 22°C (71°F) | 20°C (69°F) | 27°C (80°F) | 32°C (90°F) | 34°C (93°F) | 37°C (99°F) | 32°C (89°F) | 30°C (87°F) | 26°C (79°F) | 23°C (73°F) | 14°C (58°F) |
Mean maximum | 10°C (50°F) | 13°C (56°F) | 17°C (63°F) | 21°C (71°F) | 30°C (86°F) | 31°C (88°F) | 33°C (91°F) | 31°C (88°F) | 29°C (84°F) | 24°C (75°F) | 18°C (65°F) | 12°C (54°F) |
Average high | -1°C (30°F) | 1°C (34°F) | 5°C (40°F) | 11°C (53°F) | 18°C (65°F) | 24°C (75°F) | 26°C (80°F) | 25°C (78°F) | 22°C (71°F) | 15°C (59°F) | 6°C (44°F) | 1°C (34°F) |
Daily mean | -5°C (23°F) | -4°C (25°F) | -0°C (32°F) | 6°C (44°F) | 13°C (56°F) | 18°C (65°F) | 21°C (70°F) | 20°C (68°F) | 16°C (61°F) | 10°C (50°F) | 2°C (36°F) | -3°C (27°F) |
Average low | -10°C (15°F) | -9°C (16°F) | -5°C (23°F) | 2°C (36°F) | 8°C (46°F) | 12°C (55°F) | 16°C (61°F) | 15°C (59°F) | 11°C (52°F) | 6°C (42°F) | -2°C (28°F) | -7°C (19°F) |
Mean minimum | -23°C (-9°F) | -21°C (-6°F) | -17°C (2°F) | -5°C (23°F) | 1°C (33°F) | 7°C (46°F) | 11°C (52°F) | 8°C (47°F) | 2°C (36°F) | -3°C (27°F) | -14°C (7°F) | -20°C (-5°F) |
Minimum | -28°C (-19°F) | -25°C (-13°F) | -19°C (-2°F) | -8°C (17°F) | -2°C (29°F) | 1°C (34°F) | 9°C (48°F) | 6°C (43°F) | -2°C (30°F) | -6°C (21°F) | -24°C (-11°F) | -24°C (-11°F) |
Compare temperature, precipitation, sunshine, UV index in Jamaica, Vermont, United States with other places around the world.
Jamaica usually has the most precipitation in April, July and October, with an average of 13 rainy days and 158 mm (6.2 inches) of precipitation per month.The driest months in Jamaica are January, February and March. On average, 86 mm (3.4 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 81 (3.2) | 97 (3.8) | 80 (3.1) | 142 (5.6) | 105 (4.1) | 109 (4.3) | 164 (6.5) | 127 (5.0) | 105 (4.1) | 166 (6.5) | 106 (4.2) | 116 (4.6) |
Average precipitation days (≥ 1 mm) | 9 | 11 | 11 | 14 | 14 | 13 | 14 | 12 | 9 | 13 | 12 | 11 |
The sunniest months in Jamaica are June, July and August, when the sun shines an average of 10 hours 40 minutes a day.Least sunny months in Jamaica: January, February and December receive an average of 5 hours 1 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 131 | 167 | 236 | 226 | 271 | 320 | 327 | 333 | 286 | 204 | 176 | 157 |
Mean daily daylight hours | 9h 23m | 10h 31m | 11h 57m | 13h 26m | 14h 40m | 15h 18m | 14h 57m | 13h 51m | 12h 26m | 10h 58m | 9h 41m | 9h 2m |
Jamaica experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Jamaica UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 4 | 6 | 8 | 10 | 10 | 9 | 9 | 7 | 6 | 3 | 2 |