Climate of San Juan, Dominican Republic
Area-weighted average across San Juan. For where people actually live and travel, see the cities below.
San Juan, a subdivision of Dominican Republic, has a mild oceanic climate on average. Area-weighted monthly temperatures across the whole territory range from 19°C / 66.2°F in January to 22.3°C / 72.1°F in August, with rainfall from 18 mm / 0.7 in to 197 mm / 7.8 in depending on the season (1232 mm / 48.5 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 | 19°C66.2°F | 18 mm0.7″ | Sunny & Mild |
| February | 19.5°C67.1°F | 25 mm1″ | Sunny & Mild |
| March | 20.4°C68.7°F | 48 mm1.9″ | Sunny & Mild |
| April | 20.9°C69.6°F | 110 mm4.3″ | — |
| May | 21.5°C70.7°F | 197 mm7.8″ | — |
| June | 21.9°C71.4°F | 128 mm5″ | — |
| July | 22.2°C72°F | 103 mm4.1″ | Tropical |
| August | 22.3°C72.1°F | 151 mm5.9″ | Tropical |
| September | 22.1°C71.8°F | 173 mm6.8″ | Tropical |
| October | 21.5°C70.7°F | 175 mm6.9″ | — |
| November | 20.5°C68.9°F | 76 mm3″ | — |
| December | 19.4°C66.9°F | 28 mm1.1″ | Sunny & Mild |
Frequently asked questions
What is the best time to visit San Juan?
The best months to visit San Juan, Dominican Republic for sunny, dry weather are January, February, March, December. The warmest month is August at an area-wide average of 22.3°C / 72.1°F, and the driest is January with about 18 mm / 0.7 in of rainfall.
What is the climate of San Juan?
San Juan, Dominican Republic has area-weighted monthly average temperatures ranging from 19°C / 66.2°F in January to 22.3°C / 72.1°F in August. Annual rainfall averages about 1232 mm / 48.5 in, with the wettest month being May (197 mm / 7.8 in) and the driest January (18 mm / 0.7 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in San Juan?
The hottest month in San Juan is August, with an area-wide average temperature of 22.3°C / 72.1°F.
What is the coldest month in San Juan?
The coldest month in San Juan is January, with an area-wide average temperature of 19°C / 66.2°F.
When does it rain most in San Juan?
The wettest month in San Juan is May, averaging about 197 mm / 7.8 in of rainfall. The driest is January with about 18 mm / 0.7 in.