Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Little Cayman features a tropical savanna climate (Aw).Temperatures typically range between 26 °C (78 °F) and 29 °C (84 °F) through the year, but rarely can drop to 20 °C (69 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 1000 mm (39.4 inches) and receives 149 rainy days on the 1 mm (0.04 inches) threshold annually.Little Cayman enjoys an average of 3792 hours of sunshine throughout the year, and daylight varies from 10 hours 57 minutes to 13 hours 17 minutes per day.
The warmest months in Little Cayman are July, August and September, with daily mean temperatures ranging from 28 to 29 °C (84 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 26 to 26 °C (78 - 79 °F) throughout the day. On average each year, Little Cayman experiences 326 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 28°C (82°F) | 27°C (81°F) | 28°C (83°F) | 28°C (84°F) | 29°C (84°F) | 30°C (85°F) | 31°C (88°F) | 30°C (87°F) | 30°C (86°F) | 30°C (85°F) | 29°C (85°F) | 28°C (83°F) |
Mean maximum | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 28°C (82°F) | 29°C (84°F) | 29°C (84°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 29°C (85°F) | 29°C (84°F) | 28°C (82°F) |
Average high | 26°C (79°F) | 26°C (80°F) | 26°C (80°F) | 27°C (81°F) | 28°C (82°F) | 29°C (84°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 28°C (82°F) | 27°C (81°F) |
Daily mean | 26°C (78°F) | 26°C (79°F) | 26°C (78°F) | 26°C (80°F) | 27°C (81°F) | 28°C (83°F) | 29°C (84°F) | 29°C (84°F) | 28°C (84°F) | 28°C (82°F) | 27°C (81°F) | 26°C (80°F) |
Average low | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 26°C (79°F) | 26°C (80°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 26°C (80°F) | 26°C (79°F) |
Mean minimum | 22°C (72°F) | 23°C (73°F) | 23°C (74°F) | 24°C (76°F) | 25°C (77°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 25°C (77°F) | 24°C (75°F) |
Minimum | 20°C (69°F) | 22°C (71°F) | 23°C (73°F) | 24°C (75°F) | 24°C (75°F) | 25°C (77°F) | 25°C (78°F) | 26°C (78°F) | 26°C (78°F) | 25°C (78°F) | 24°C (76°F) | 22°C (72°F) |
Compare temperature, precipitation, sunshine, UV index in Little Cayman, Cayman Islands with other places around the world.
Little Cayman usually has the most precipitation in May, October and November, with an average of 18 rainy days and 173 mm (6.8 inches) of precipitation per month.The driest months in Little Cayman are February, March and April. On average, 26 mm (1.0 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 36 (1.4) | 25 (1.0) | 19 (0.8) | 35 (1.4) | 131 (5.2) | 61 (2.4) | 52 (2.0) | 116 (4.6) | 97 (3.8) | 229 (9.0) | 160 (6.3) | 38 (1.5) |
Average precipitation days (≥ 1 mm) | 8 | 7 | 5 | 6 | 18 | 12 | 12 | 15 | 17 | 23 | 15 | 11 |
The sunniest months in Little Cayman are March, April and July, when the sun shines an average of 11 hours 16 minutes a day.Least sunny months in Little Cayman: January, February and November receive an average of 9 hours 15 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 248 | 298 | 341 | 343 | 331 | 324 | 351 | 337 | 325 | 303 | 287 | 300 |
Mean daily daylight hours | 11h 4m | 11h 29m | 12h 2m | 12h 35m | 13h 3m | 13h 17m | 13h 9m | 12h 44m | 12h 13m | 11h 39m | 11h 11m | 10h 57m |
Little Cayman experiences the highest level of ultraviolet (UV) radiation in April, May and June, when the maximum UV index can reach values of 13 - 13, 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 Little Cayman UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 8 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 9 | 8 |