Weather World
City of San Juan, Puerto Rico
San Juan Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 81°F Lo 72°F | Hi 81°F Lo 72°F | Hi 82°F Lo 72°F | Hi 83°F Lo 74°F | Hi 85°F Lo 75°F | Hi 86°F Lo 77°F | Hi 87°F Lo 78°F | Hi 87°F Lo 78°F | Hi 87°F Lo 78°F | Hi 86°F Lo 77°F | Hi 83°F Lo 75°F | Hi 82°F Lo 74°F |
| 9 mph | 9 mph | 9 mph | 8 mph | 8 mph | 9 mph | 10 mph | 9 mph | 7 mph | 7 mph | 7 mph | 9 mph |
| 1.7 in | 2.8 in | 3 in | 3.4 in | 5 in | 2.6 in | 3.1 in | 4.1 in | 7.2 in | 5.7 in | 5.6 in | 3.2 in |
| 79% | 78% | 77% | 78% | 79% | 79% | 79% | 79% | 79% | 79% | 80% | 79% |
| 43% | 43% | 42% | 42% | 47% | 44% | 48% | 45% | 43% | 44% | 48% | 45% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in |
| 27 | 24 | 25 | 23 | 19 | 21 | 21 | 18 | 14 | 16 | 18 | 25 |
| 4 | 5 | 6 | 7 | 12 | 9 | 10 | 13 | 16 | 15 | 12 | 6 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 175 | 165 | 180 | 177 | 143 | 163 | 149 | 169 | 169 | 169 | 142 | 161 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 27°C Lo 22°C | Hi 27°C Lo 22°C | Hi 28°C Lo 22°C | Hi 29°C Lo 23°C | Hi 29°C Lo 24°C | Hi 30°C Lo 25°C | Hi 30°C Lo 25°C | Hi 30°C Lo 26°C | Hi 30°C Lo 26°C | Hi 30°C Lo 25°C | Hi 29°C Lo 24°C | Hi 28°C Lo 23°C |
| 14 km/h | 15 km/h | 14 km/h | 13 km/h | 13 km/h | 15 km/h | 16 km/h | 15 km/h | 12 km/h | 11 km/h | 12 km/h | 14 km/h |
| 42 mm | 72 mm | 77 mm | 87 mm | 128 mm | 67 mm | 80 mm | 105 mm | 184 mm | 144 mm | 143 mm | 80 mm |
| 79% | 78% | 77% | 78% | 79% | 79% | 79% | 79% | 79% | 79% | 80% | 79% |
| 43% | 43% | 42% | 42% | 47% | 44% | 48% | 45% | 43% | 44% | 48% | 45% |
| 1017 mb | 1017 mb | 1016 mb | 1015 mb | 1016 mb | 1016 mb | 1017 mb | 1015 mb | 1013 mb | 1013 mb | 1013 mb | 1015 mb |
| 27 | 24 | 25 | 23 | 19 | 21 | 21 | 18 | 14 | 16 | 18 | 25 |
| 4 | 5 | 6 | 7 | 12 | 9 | 10 | 13 | 16 | 15 | 12 | 6 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 175 | 165 | 180 | 177 | 143 | 163 | 149 | 169 | 169 | 169 | 142 | 161 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.