WeatherWX.comMaple Valley Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 31°F Lo 19°F | Hi 34°F Lo 21°F | Hi 46°F Lo 31°F | Hi 57°F Lo 40°F | Hi 70°F Lo 51°F | Hi 78°F Lo 59°F | Hi 82°F Lo 63°F | Hi 81°F Lo 62°F | Hi 75°F Lo 56°F | Hi 62°F Lo 46°F | Hi 48°F Lo 34°F | Hi 38°F Lo 27°F |
| 9 mph | 9 mph | 8 mph | 8 mph | 7 mph | 6 mph | 6 mph | 6 mph | 6 mph | 8 mph | 8 mph | 8 mph |
| 4.4 in | 4.6 in | 5.5 in | 6.2 in | 6.3 in | 7.5 in | 7.2 in | 5.6 in | 4.4 in | 5 in | 4.3 in | 4.9 in |
| 86% | 87% | 78% | 77% | 77% | 78% | 77% | 77% | 77% | 79% | 78% | 84% |
| 72% | 70% | 57% | 52% | 44% | 39% | 33% | 32% | 36% | 46% | 49% | 66% |
| 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 |
| 5 | 5 | 12 | 15 | 21 | 21 | 20 | 23 | 23 | 23 | 14 | 9 |
| 6 | 6 | 8 | 10 | 10 | 9 | 11 | 8 | 7 | 8 | 8 | 7 |
| 21 | 18 | 11 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 15 |
| 6 | 6 | 5 | 4 | 6 | 7 | 7 | 6 | 7 | 4 | 3 | 5 |
| 1 | 1 | 2 | 4 | 5 | 5 | 6 | 6 | 4 | 2 | 2 | 1 |
| 141 | 137 | 209 | 230 | 283 | 295 | 331 | 333 | 296 | 263 | 238 | 176 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -1°C Lo -7°C | Hi 1°C Lo -6°C | Hi 8°C Lo -1°C | Hi 14°C Lo 4°C | Hi 21°C Lo 11°C | Hi 26°C Lo 15°C | Hi 28°C Lo 17°C | Hi 27°C Lo 17°C | Hi 24°C Lo 13°C | Hi 17°C Lo 8°C | Hi 9°C Lo 1°C | Hi 3°C Lo -3°C |
| 14 km/h | 14 km/h | 14 km/h | 14 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 10 km/h | 12 km/h | 13 km/h | 13 km/h |
| 113 mm | 117 mm | 140 mm | 156 mm | 160 mm | 190 mm | 182 mm | 141 mm | 112 mm | 126 mm | 109 mm | 123 mm |
| 86% | 87% | 78% | 77% | 77% | 78% | 77% | 77% | 77% | 79% | 78% | 84% |
| 72% | 70% | 57% | 52% | 44% | 39% | 33% | 32% | 36% | 46% | 49% | 66% |
| 1020 mb | 1019 mb | 1019 mb | 1015 mb | 1016 mb | 1014 mb | 1015 mb | 1015 mb | 1017 mb | 1017 mb | 1020 mb | 1019 mb |
| 5 | 5 | 12 | 15 | 21 | 21 | 20 | 23 | 23 | 23 | 14 | 9 |
| 6 | 6 | 8 | 10 | 10 | 9 | 11 | 8 | 7 | 8 | 8 | 7 |
| 21 | 18 | 11 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 15 |
| 6 | 6 | 5 | 4 | 6 | 7 | 7 | 6 | 7 | 4 | 3 | 5 |
| 1 | 1 | 2 | 4 | 5 | 5 | 6 | 6 | 4 | 2 | 2 | 1 |
| 141 | 137 | 209 | 230 | 283 | 295 | 331 | 333 | 296 | 263 | 238 | 176 |
| 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.
