WeatherWX.com
South Washington Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 38°F Lo 25°F | Hi 43°F Lo 27°F | Hi 54°F Lo 38°F | Hi 64°F Lo 46°F | Hi 74°F Lo 57°F | Hi 82°F Lo 65°F | Hi 85°F Lo 68°F | Hi 84°F Lo 66°F | Hi 79°F Lo 61°F | Hi 67°F Lo 50°F | Hi 53°F Lo 38°F | Hi 44°F Lo 31°F |
| 9 mph | 9 mph | 9 mph | 9 mph | 8 mph | 7 mph | 6 mph | 6 mph | 7 mph | 8 mph | 9 mph | 9 mph |
| 3.7 in | 4.2 in | 5.5 in | 7 in | 5.5 in | 5 in | 4.8 in | 3.6 in | 3.1 in | 3.9 in | 4 in | 4.5 in |
| 78% | 78% | 76% | 77% | 80% | 78% | 80% | 77% | 74% | 71% | 72% | 78% |
| 53% | 53% | 48% | 45% | 42% | 31% | 33% | 30% | 29% | 34% | 37% | 51% |
| 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 |
| 21 | 18 | 22 | 21 | 21 | 21 | 22 | 24 | 25 | 25 | 24 | 22 |
| 8 | 7 | 8 | 9 | 10 | 9 | 9 | 7 | 5 | 6 | 6 | 8 |
| 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 2 |
| 142 | 131 | 155 | 162 | 182 | 232 | 234 | 246 | 241 | 220 | 206 | 150 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 4°C Lo -4°C | Hi 6°C Lo -3°C | Hi 12°C Lo 3°C | Hi 18°C Lo 8°C | Hi 23°C Lo 14°C | Hi 28°C Lo 18°C | Hi 30°C Lo 20°C | Hi 29°C Lo 19°C | Hi 26°C Lo 16°C | Hi 19°C Lo 10°C | Hi 12°C Lo 3°C | Hi 7°C Lo -1°C |
| 15 km/h | 15 km/h | 15 km/h | 15 km/h | 12 km/h | 11 km/h | 9 km/h | 9 km/h | 10 km/h | 13 km/h | 14 km/h | 14 km/h |
| 94 mm | 106 mm | 138 mm | 178 mm | 139 mm | 128 mm | 121 mm | 93 mm | 78 mm | 99 mm | 102 mm | 114 mm |
| 78% | 78% | 76% | 77% | 80% | 78% | 80% | 77% | 74% | 71% | 72% | 78% |
| 53% | 53% | 48% | 45% | 42% | 31% | 33% | 30% | 29% | 34% | 37% | 51% |
| 1021 mb | 1020 mb | 1019 mb | 1015 mb | 1015 mb | 1014 mb | 1015 mb | 1015 mb | 1017 mb | 1017 mb | 1021 mb | 1020 mb |
| 21 | 18 | 22 | 21 | 21 | 21 | 22 | 24 | 25 | 25 | 24 | 22 |
| 8 | 7 | 8 | 9 | 10 | 9 | 9 | 7 | 5 | 6 | 6 | 8 |
| 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 2 |
| 142 | 131 | 155 | 162 | 182 | 232 | 234 | 246 | 241 | 220 | 206 | 150 |
| 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.