Weather World
Santa Rosa Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 91°F Lo 66°F | Hi 88°F Lo 64°F | Hi 81°F Lo 60°F | Hi 72°F Lo 54°F | Hi 64°F Lo 48°F | Hi 58°F Lo 43°F | Hi 57°F Lo 41°F | Hi 62°F Lo 44°F | Hi 67°F Lo 47°F | Hi 73°F Lo 52°F | Hi 81°F Lo 57°F | Hi 88°F Lo 63°F |
| 10 mph | 9 mph | 9 mph | 9 mph | 8 mph | 8 mph | 9 mph | 9 mph | 10 mph | 10 mph | 10 mph | 10 mph |
| 2.4 in | 2.9 in | 3.7 in | 3 in | 1.2 in | 0.5 in | 0.7 in | 0.7 in | 2 in | 3.8 in | 3.4 in | 3.3 in |
| 39% | 43% | 51% | 59% | 64% | 60% | 59% | 54% | 53% | 54% | 47% | 39% |
| 17% | 20% | 23% | 28% | 31% | 27% | 29% | 27% | 29% | 28% | 23% | 19% |
| 29.8 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 29.8 in |
| 27 | 24 | 26 | 26 | 29 | 29 | 29 | 29 | 26 | 26 | 25 | 26 |
| 4 | 5 | 5 | 4 | 2 | 1 | 2 | 2 | 4 | 5 | 5 | 5 |
| 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 | 5 | 4 | 3 | 3 | 3 | 3 | 4 | 5 | 5 | 6 |
| 312 | 269 | 281 | 246 | 226 | 238 | 243 | 248 | 232 | 245 | 272 | 301 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 33°C Lo 19°C | Hi 31°C Lo 18°C | Hi 27°C Lo 16°C | Hi 22°C Lo 12°C | Hi 18°C Lo 9°C | Hi 15°C Lo 6°C | Hi 14°C Lo 5°C | Hi 17°C Lo 7°C | Hi 20°C Lo 9°C | Hi 23°C Lo 11°C | Hi 27°C Lo 14°C | Hi 31°C Lo 17°C |
| 16 km/h | 15 km/h | 15 km/h | 14 km/h | 13 km/h | 14 km/h | 14 km/h | 15 km/h | 16 km/h | 16 km/h | 16 km/h | 15 km/h |
| 60 mm | 73 mm | 94 mm | 77 mm | 30 mm | 13 mm | 18 mm | 18 mm | 50 mm | 95 mm | 87 mm | 83 mm |
| 39% | 43% | 51% | 59% | 64% | 60% | 59% | 54% | 53% | 54% | 47% | 39% |
| 17% | 20% | 23% | 28% | 31% | 27% | 29% | 27% | 29% | 28% | 23% | 19% |
| 1010 mb | 1011 mb | 1013 mb | 1016 mb | 1018 mb | 1018 mb | 1019 mb | 1018 mb | 1017 mb | 1015 mb | 1012 mb | 1010 mb |
| 27 | 24 | 26 | 26 | 29 | 29 | 29 | 29 | 26 | 26 | 25 | 26 |
| 4 | 5 | 5 | 4 | 2 | 1 | 2 | 2 | 4 | 5 | 5 | 5 |
| 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 | 5 | 4 | 3 | 3 | 3 | 3 | 4 | 5 | 5 | 6 |
| 312 | 269 | 281 | 246 | 226 | 238 | 243 | 248 | 232 | 245 | 272 | 301 |
| 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.