Weather World
Simpson Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 50°F Lo 35°F | Hi 54°F Lo 38°F | Hi 62°F Lo 44°F | Hi 71°F Lo 52°F | Hi 78°F Lo 61°F | Hi 85°F Lo 68°F | Hi 88°F Lo 72°F | Hi 86°F Lo 70°F | Hi 81°F Lo 66°F | Hi 72°F Lo 55°F | Hi 61°F Lo 45°F | Hi 54°F Lo 40°F |
| 8 mph | 9 mph | 9 mph | 9 mph | 8 mph | 7 mph | 7 mph | 6 mph | 7 mph | 7 mph | 8 mph | 8 mph |
| 4 in | 4.2 in | 4.6 in | 4.4 in | 5.1 in | 4.9 in | 6.8 in | 6.4 in | 6.9 in | 3.9 in | 4.3 in | 4.5 in |
| 73% | 75% | 73% | 73% | 77% | 77% | 78% | 78% | 78% | 76% | 73% | 75% |
| 40% | 44% | 42% | 37% | 42% | 36% | 40% | 42% | 40% | 34% | 35% | 40% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in | 30.1 in |
| 23 | 20 | 23 | 24 | 22 | 19 | 17 | 19 | 21 | 26 | 25 | 24 |
| 7 | 7 | 8 | 6 | 9 | 11 | 14 | 12 | 9 | 5 | 5 | 7 |
| 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 3 | 4 | 5 | 5 | 6 | 6 | 6 | 5 | 4 | 3 | 3 |
| 196 | 166 | 181 | 205 | 190 | 220 | 196 | 191 | 189 | 209 | 213 | 200 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 10°C Lo 1°C | Hi 12°C Lo 3°C | Hi 17°C Lo 6°C | Hi 22°C Lo 11°C | Hi 25°C Lo 16°C | Hi 29°C Lo 20°C | Hi 31°C Lo 22°C | Hi 30°C Lo 21°C | Hi 27°C Lo 19°C | Hi 22°C Lo 13°C | Hi 16°C Lo 7°C | Hi 12°C Lo 4°C |
| 13 km/h | 14 km/h | 14 km/h | 14 km/h | 12 km/h | 11 km/h | 11 km/h | 10 km/h | 11 km/h | 12 km/h | 12 km/h | 12 km/h |
| 101 mm | 107 mm | 118 mm | 110 mm | 129 mm | 123 mm | 171 mm | 163 mm | 175 mm | 100 mm | 108 mm | 114 mm |
| 73% | 75% | 73% | 73% | 77% | 77% | 78% | 78% | 78% | 76% | 73% | 75% |
| 40% | 44% | 42% | 37% | 42% | 36% | 40% | 42% | 40% | 34% | 35% | 40% |
| 1020 mb | 1020 mb | 1019 mb | 1017 mb | 1017 mb | 1015 mb | 1015 mb | 1016 mb | 1017 mb | 1018 mb | 1021 mb | 1021 mb |
| 23 | 20 | 23 | 24 | 22 | 19 | 17 | 19 | 21 | 26 | 25 | 24 |
| 7 | 7 | 8 | 6 | 9 | 11 | 14 | 12 | 9 | 5 | 5 | 7 |
| 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 3 | 4 | 5 | 5 | 6 | 6 | 6 | 5 | 4 | 3 | 3 |
| 196 | 166 | 181 | 205 | 190 | 220 | 196 | 191 | 189 | 209 | 213 | 200 |
| 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.