Wawatosa Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 27°F Lo 15°F | Hi 30°F Lo 18°F | Hi 42°F Lo 29°F | Hi 52°F Lo 38°F | Hi 64°F Lo 48°F | Hi 74°F Lo 59°F | Hi 79°F Lo 64°F | Hi 78°F Lo 63°F | Hi 72°F Lo 57°F | Hi 59°F Lo 46°F | Hi 45°F Lo 33°F | Hi 33°F Lo 24°F |
| 11 mph | 11 mph | 10 mph | 10 mph | 9 mph | 8 mph | 7 mph | 7 mph | 8 mph | 10 mph | 11 mph | 10 mph |
| 2.1 in | 2 in | 3.3 in | 4.8 in | 4.4 in | 5.9 in | 4.5 in | 3.9 in | 3.3 in | 4.1 in | 2.9 in | 2.7 in |
| 85% | 84% | 77% | 75% | 78% | 79% | 79% | 77% | 75% | 73% | 75% | 81% |
| 62% | 59% | 54% | 53% | 45% | 37% | 33% | 31% | 33% | 45% | 47% | 60% |
| 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 |
| 18 | 17 | 21 | 20 | 23 | 21 | 24 | 24 | 24 | 24 | 23 | 20 |
| 8 | 7 | 7 | 8 | 8 | 9 | 7 | 7 | 6 | 7 | 5 | 7 |
| 5 | 5 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 2 | 2 | 4 | 5 | 6 | 5 | 4 | 2 | 1 | 1 |
| 107 | 110 | 138 | 130 | 175 | 201 | 227 | 237 | 220 | 164 | 162 | 116 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -3°C Lo -9°C | Hi -1°C Lo -8°C | Hi 6°C Lo -2°C | Hi 11°C Lo 3°C | Hi 18°C Lo 9°C | Hi 23°C Lo 15°C | Hi 26°C Lo 18°C | Hi 26°C Lo 17°C | Hi 22°C Lo 14°C | Hi 15°C Lo 8°C | Hi 7°C Lo 1°C | Hi 1°C Lo -5°C |
| 17 km/h | 17 km/h | 17 km/h | 17 km/h | 14 km/h | 13 km/h | 11 km/h | 11 km/h | 13 km/h | 16 km/h | 17 km/h | 17 km/h |
| 53 mm | 51 mm | 83 mm | 121 mm | 112 mm | 150 mm | 115 mm | 98 mm | 85 mm | 103 mm | 74 mm | 67 mm |
| 85% | 84% | 77% | 75% | 78% | 79% | 79% | 77% | 75% | 73% | 75% | 81% |
| 62% | 59% | 54% | 53% | 45% | 37% | 33% | 31% | 33% | 45% | 47% | 60% |
| 1019 mb | 1019 mb | 1018 mb | 1014 mb | 1015 mb | 1013 mb | 1014 mb | 1015 mb | 1017 mb | 1016 mb | 1018 mb | 1018 mb |
| 18 | 17 | 21 | 20 | 23 | 21 | 24 | 24 | 24 | 24 | 23 | 20 |
| 8 | 7 | 7 | 8 | 8 | 9 | 7 | 7 | 6 | 7 | 5 | 7 |
| 5 | 5 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 2 | 2 | 4 | 5 | 6 | 5 | 4 | 2 | 1 | 1 |
| 107 | 110 | 138 | 130 | 175 | 201 | 227 | 237 | 220 | 164 | 162 | 116 |
| 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.
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