Weather World
Foster Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 39°F Lo 25°F | Hi 44°F Lo 28°F | Hi 55°F Lo 36°F | Hi 65°F Lo 45°F | Hi 74°F Lo 56°F | Hi 83°F Lo 63°F | Hi 86°F Lo 67°F | Hi 85°F Lo 65°F | Hi 80°F Lo 59°F | Hi 67°F Lo 48°F | Hi 54°F Lo 37°F | Hi 45°F Lo 32°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 7 mph | 6 mph | 5 mph | 5 mph | 6 mph | 7 mph | 7 mph | 8 mph |
| 3.7 in | 4.4 in | 5.4 in | 6.2 in | 6.1 in | 6.1 in | 5.9 in | 3.3 in | 3.8 in | 3.9 in | 4 in | 5.2 in |
| 79% | 80% | 77% | 76% | 79% | 76% | 76% | 73% | 73% | 73% | 75% | 80% |
| 58% | 58% | 51% | 46% | 46% | 36% | 36% | 32% | 33% | 36% | 41% | 58% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 19 | 17 | 21 | 21 | 20 | 20 | 19 | 22 | 23 | 24 | 24 | 21 |
| 8 | 8 | 9 | 9 | 11 | 10 | 12 | 9 | 7 | 7 | 5 | 8 |
| 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 2 | 3 | 4 | 5 | 6 | 6 | 5 | 5 | 3 | 2 | 2 |
| 120 | 115 | 145 | 156 | 171 | 207 | 213 | 236 | 219 | 198 | 190 | 124 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 4°C Lo -4°C | Hi 7°C Lo -2°C | Hi 13°C Lo 3°C | Hi 18°C Lo 7°C | Hi 23°C Lo 13°C | Hi 28°C Lo 17°C | Hi 30°C Lo 20°C | Hi 30°C Lo 18°C | Hi 27°C Lo 15°C | Hi 20°C Lo 9°C | Hi 12°C Lo 3°C | Hi 7°C Lo -0°C |
| 13 km/h | 13 km/h | 13 km/h | 13 km/h | 11 km/h | 9 km/h | 8 km/h | 8 km/h | 9 km/h | 11 km/h | 12 km/h | 12 km/h |
| 95 mm | 112 mm | 136 mm | 157 mm | 154 mm | 156 mm | 151 mm | 82 mm | 95 mm | 99 mm | 102 mm | 133 mm |
| 79% | 80% | 77% | 76% | 79% | 76% | 76% | 73% | 73% | 73% | 75% | 80% |
| 58% | 58% | 51% | 46% | 46% | 36% | 36% | 32% | 33% | 36% | 41% | 58% |
| 1021 mb | 1020 mb | 1018 mb | 1015 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1017 mb | 1018 mb | 1021 mb | 1020 mb |
| 19 | 17 | 21 | 21 | 20 | 20 | 19 | 22 | 23 | 24 | 24 | 21 |
| 8 | 8 | 9 | 9 | 11 | 10 | 12 | 9 | 7 | 7 | 5 | 8 |
| 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 2 | 3 | 4 | 5 | 6 | 6 | 5 | 5 | 3 | 2 | 2 |
| 120 | 115 | 145 | 156 | 171 | 207 | 213 | 236 | 219 | 198 | 190 | 124 |
| 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.