WeatherWX.comSan Sebastian 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 73°F | Hi 84°F Lo 75°F | Hi 85°F Lo 76°F | Hi 86°F Lo 77°F | Hi 86°F Lo 78°F | Hi 86°F Lo 78°F | Hi 86°F Lo 77°F | Hi 84°F Lo 76°F | Hi 82°F Lo 74°F |
| 9 mph | 9 mph | 8 mph | 8 mph | 7 mph | 7 mph | 9 mph | 9 mph | 7 mph | 6 mph | 7 mph | 9 mph |
| 1.9 in | 2.1 in | 3.3 in | 4.2 in | 8 in | 5.4 in | 6.2 in | 7.9 in | 9.6 in | 7.6 in | 6.6 in | 2.3 in |
| 78% | 76% | 76% | 76% | 78% | 79% | 78% | 78% | 79% | 78% | 79% | 78% |
| 22% | 22% | 25% | 25% | 29% | 27% | 25% | 23% | 23% | 22% | 25% | 21% |
| 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 |
| 28 | 25 | 26 | 23 | 18 | 19 | 21 | 18 | 16 | 19 | 20 | 28 |
| 3 | 4 | 5 | 7 | 13 | 11 | 10 | 13 | 14 | 12 | 10 | 3 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 361 | 327 | 354 | 347 | 359 | 346 | 361 | 363 | 349 | 365 | 345 | 365 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 27°C Lo 22°C | Hi 28°C Lo 22°C | Hi 28°C Lo 22°C | Hi 28°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 25°C | Hi 30°C Lo 25°C | Hi 30°C Lo 25°C | Hi 29°C Lo 24°C | Hi 28°C Lo 23°C |
| 14 km/h | 14 km/h | 13 km/h | 12 km/h | 11 km/h | 12 km/h | 14 km/h | 14 km/h | 11 km/h | 10 km/h | 12 km/h | 15 km/h |
| 47 mm | 53 mm | 84 mm | 106 mm | 204 mm | 137 mm | 157 mm | 201 mm | 244 mm | 192 mm | 167 mm | 58 mm |
| 78% | 76% | 76% | 76% | 78% | 79% | 78% | 78% | 79% | 78% | 79% | 78% |
| 22% | 22% | 25% | 25% | 29% | 27% | 25% | 23% | 23% | 22% | 25% | 21% |
| 1016 mb | 1016 mb | 1016 mb | 1015 mb | 1015 mb | 1016 mb | 1016 mb | 1015 mb | 1013 mb | 1013 mb | 1013 mb | 1015 mb |
| 28 | 25 | 26 | 23 | 18 | 19 | 21 | 18 | 16 | 19 | 20 | 28 |
| 3 | 4 | 5 | 7 | 13 | 11 | 10 | 13 | 14 | 12 | 10 | 3 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 361 | 327 | 354 | 347 | 359 | 346 | 361 | 363 | 349 | 365 | 345 | 365 |
| 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.
