Weather World
San Rafael Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 40°F Lo 21°F | Hi 45°F Lo 26°F | Hi 55°F Lo 32°F | Hi 62°F Lo 39°F | Hi 71°F Lo 46°F | Hi 83°F Lo 58°F | Hi 83°F Lo 62°F | Hi 81°F Lo 61°F | Hi 75°F Lo 55°F | Hi 64°F Lo 42°F | Hi 53°F Lo 31°F | Hi 43°F Lo 24°F |
| 8 mph | 9 mph | 10 mph | 11 mph | 10 mph | 9 mph | 6 mph | 6 mph | 7 mph | 8 mph | 8 mph | 8 mph |
| 0.7 in | 0.5 in | 0.7 in | 0.6 in | 0.7 in | 0.7 in | 2 in | 1.5 in | 1.9 in | 1.1 in | 0.7 in | 0.8 in |
| 66% | 58% | 44% | 32% | 30% | 28% | 43% | 45% | 45% | 44% | 50% | 61% |
| 26% | 24% | 21% | 17% | 15% | 16% | 26% | 22% | 18% | 15% | 17% | 25% |
| 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 24 | 23 | 26 | 27 | 28 | 27 | 23 | 25 | 25 | 28 | 27 | 24 |
| 4 | 3 | 3 | 2 | 3 | 3 | 8 | 6 | 5 | 3 | 2 | 4 |
| 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 4 | 5 | 6 | 5 | 5 | 5 | 3 | 2 | 2 |
| 260 | 237 | 280 | 291 | 297 | 291 | 275 | 303 | 294 | 300 | 296 | 268 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 4°C Lo -6°C | Hi 7°C Lo -4°C | Hi 13°C Lo 0°C | Hi 17°C Lo 4°C | Hi 22°C Lo 8°C | Hi 28°C Lo 14°C | Hi 28°C Lo 17°C | Hi 27°C Lo 16°C | Hi 24°C Lo 13°C | Hi 18°C Lo 6°C | Hi 12°C Lo -0°C | Hi 6°C Lo -5°C |
| 12 km/h | 15 km/h | 17 km/h | 18 km/h | 16 km/h | 14 km/h | 10 km/h | 10 km/h | 11 km/h | 13 km/h | 13 km/h | 13 km/h |
| 18 mm | 13 mm | 17 mm | 15 mm | 17 mm | 17 mm | 52 mm | 37 mm | 48 mm | 27 mm | 17 mm | 19 mm |
| 66% | 58% | 44% | 32% | 30% | 28% | 43% | 45% | 45% | 44% | 50% | 61% |
| 26% | 24% | 21% | 17% | 15% | 16% | 26% | 22% | 18% | 15% | 17% | 25% |
| 1022 mb | 1018 mb | 1015 mb | 1012 mb | 1012 mb | 1012 mb | 1015 mb | 1015 mb | 1016 mb | 1017 mb | 1019 mb | 1020 mb |
| 24 | 23 | 26 | 27 | 28 | 27 | 23 | 25 | 25 | 28 | 27 | 24 |
| 4 | 3 | 3 | 2 | 3 | 3 | 8 | 6 | 5 | 3 | 2 | 4 |
| 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 4 | 5 | 6 | 5 | 5 | 5 | 3 | 2 | 2 |
| 260 | 237 | 280 | 291 | 297 | 291 | 275 | 303 | 294 | 300 | 296 | 268 |
| 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.