Climate of San Juan, Puerto Rico, Puerto Rico
Point-value climate at San Juan, Puerto Rico. Population approximately 2,478,905.
Located in Puerto Rico, San Juan has a tropical climate. Population approximately 2,478,905. Monthly average temperatures range from 24.4°C / 75.9°F in January to 27.7°C / 81.9°F in August, with rainfall varying from 73 mm / 2.9 in (February) to 188 mm / 7.4 in (August) — about 1689 mm / 66.5 in across the year. San Juan is the capital of Puerto Rico. These are point-value climate normals sampled at San Juan's coordinates — often quite different from the surrounding region's area-weighted average.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 24.4°C75.9°F | 111 mm4.4″ | Tropical |
| February | 24.4°C75.9°F | 73 mm2.9″ | — |
| March | 24.8°C76.6°F | 81 mm3.2″ | Tropical |
| April | 25.7°C78.3°F | 107 mm4.2″ | Tropical |
| May | 26.6°C79.9°F | 184 mm7.2″ | Tropical |
| June | 27.4°C81.3°F | 134 mm5.3″ | Tropical |
| July | 27.6°C81.7°F | 164 mm6.5″ | Tropical |
| August | 27.7°C81.9°F | 188 mm7.4″ | Tropical |
| September | 27.5°C81.5°F | 151 mm5.9″ | Tropical |
| October | 27.2°C81°F | 153 mm6″ | Tropical |
| November | 26.2°C79.2°F | 186 mm7.3″ | Tropical |
| December | 25°C77°F | 157 mm6.2″ | Tropical |
Frequently asked questions
What is the best time to visit San Juan?
San Juan does not have a clearly "sunny" season by our profile cutoffs — see the "warmest and driest months" fallback for the closest picks. San Juan's warmest month is August at an average of 27.7°C / 81.9°F, and its driest month is February with about 73 mm / 2.9 in of rain.
What is the climate of San Juan?
San Juan, Puerto Rico, has monthly average temperatures ranging from 24.4°C / 75.9°F in January to 27.7°C / 81.9°F in August. Annual rainfall is approximately 1689 mm / 66.5 in, with the wettest month being August (188 mm / 7.4 in) and the driest February (73 mm / 2.9 in).
What is the average temperature in San Juan in August?
The average temperature in San Juan in August is 27.7°C / 81.9°F, with rainfall of about 188 mm / 7.4 in — the warmest month of the year.
When is the driest month in San Juan?
The driest month in San Juan is February, with about 73 mm / 2.9 in of average monthly rainfall. Average temperature that month is 24.4°C / 75.9°F.
When is the wettest month in San Juan?
The wettest month in San Juan is August, with approximately 188 mm / 7.4 in of average monthly rainfall.