Climate of Saint Thomas, Jamaica
Area-weighted average across Saint Thomas. For where people actually live and travel, see the cities below.
Saint Thomas, a subdivision of Jamaica, has a tropical climate on average. Area-weighted monthly temperatures across the whole territory range from 22.4°C / 72.3°F in January to 25.2°C / 77.4°F in August, with rainfall from 73 mm / 2.9 in to 283 mm / 11.1 in depending on the season (1836 mm / 72.3 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 22.4°C72.3°F | 121 mm4.8″ | Tropical |
| February | 22.5°C72.5°F | 80 mm3.1″ | Tropical |
| March | 23.1°C73.6°F | 73 mm2.9″ | — |
| April | 23.8°C74.8°F | 97 mm3.8″ | Tropical |
| May | 24.3°C75.7°F | 188 mm7.4″ | Tropical |
| June | 24.9°C76.8°F | 152 mm6″ | Tropical |
| July | 25.1°C77.2°F | 98 mm3.9″ | Tropical |
| August | 25.2°C77.4°F | 162 mm6.4″ | Tropical |
| September | 24.9°C76.8°F | 199 mm7.8″ | Tropical |
| October | 24.4°C75.9°F | 283 mm11.1″ | Tropical |
| November | 23.8°C74.8°F | 231 mm9.1″ | Tropical |
| December | 22.9°C73.2°F | 152 mm6″ | Tropical |
Frequently asked questions
What is the best time to visit Saint Thomas?
Saint Thomas, Jamaica does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 25.2°C / 77.4°F, and the driest is March at 73 mm / 2.9 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Saint Thomas?
Saint Thomas, Jamaica has area-weighted monthly average temperatures ranging from 22.4°C / 72.3°F in January to 25.2°C / 77.4°F in August. Annual rainfall averages about 1836 mm / 72.3 in, with the wettest month being October (283 mm / 11.1 in) and the driest March (73 mm / 2.9 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Saint Thomas?
The hottest month in Saint Thomas is August, with an area-wide average temperature of 25.2°C / 77.4°F.
What is the coldest month in Saint Thomas?
The coldest month in Saint Thomas is January, with an area-wide average temperature of 22.4°C / 72.3°F.
When does it rain most in Saint Thomas?
The wettest month in Saint Thomas is October, averaging about 283 mm / 11.1 in of rainfall. The driest is March with about 73 mm / 2.9 in.