Weather World
Washington County Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 35°F Lo 21°F | Hi 39°F Lo 24°F | Hi 50°F Lo 32°F | Hi 61°F Lo 41°F | Hi 71°F Lo 52°F | Hi 79°F Lo 59°F | Hi 83°F Lo 64°F | Hi 82°F Lo 62°F | Hi 76°F Lo 57°F | Hi 63°F Lo 46°F | Hi 50°F Lo 35°F | Hi 41°F Lo 29°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 6 mph | 6 mph | 5 mph | 5 mph | 6 mph | 7 mph | 7 mph | 8 mph |
| 3.4 in | 3.6 in | 3.9 in | 5 in | 5.9 in | 6.6 in | 5.3 in | 3.2 in | 4.7 in | 4.4 in | 3.2 in | 4.5 in |
| 83% | 83% | 77% | 76% | 78% | 77% | 77% | 76% | 76% | 77% | 76% | 82% |
| 69% | 65% | 56% | 51% | 47% | 42% | 40% | 38% | 38% | 44% | 47% | 64% |
| 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 |
| 16 | 14 | 21 | 20 | 20 | 19 | 20 | 22 | 23 | 23 | 23 | 19 |
| 10 | 9 | 8 | 10 | 11 | 11 | 11 | 9 | 7 | 8 | 6 | 9 |
| 5 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| 1 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 |
| 1 | 2 | 2 | 4 | 5 | 5 | 5 | 5 | 4 | 2 | 1 | 1 |
| 69 | 80 | 124 | 133 | 163 | 176 | 195 | 207 | 202 | 167 | 157 | 90 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 1°C Lo -6°C | Hi 4°C Lo -4°C | Hi 10°C Lo 0°C | Hi 16°C Lo 5°C | Hi 22°C Lo 11°C | Hi 26°C Lo 15°C | Hi 29°C Lo 18°C | Hi 28°C Lo 17°C | Hi 25°C Lo 14°C | Hi 17°C Lo 8°C | Hi 10°C Lo 2°C | Hi 5°C Lo -2°C |
| 13 km/h | 13 km/h | 13 km/h | 13 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 9 km/h | 11 km/h | 12 km/h | 12 km/h |
| 85 mm | 92 mm | 100 mm | 126 mm | 150 mm | 166 mm | 134 mm | 82 mm | 119 mm | 112 mm | 82 mm | 113 mm |
| 83% | 83% | 77% | 76% | 78% | 77% | 77% | 76% | 76% | 77% | 76% | 82% |
| 69% | 65% | 56% | 51% | 47% | 42% | 40% | 38% | 38% | 44% | 47% | 64% |
| 1020 mb | 1019 mb | 1018 mb | 1015 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1018 mb | 1017 mb | 1020 mb | 1020 mb |
| 16 | 14 | 21 | 20 | 20 | 19 | 20 | 22 | 23 | 23 | 23 | 19 |
| 10 | 9 | 8 | 10 | 11 | 11 | 11 | 9 | 7 | 8 | 6 | 9 |
| 5 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| 1 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 |
| 1 | 2 | 2 | 4 | 5 | 5 | 5 | 5 | 4 | 2 | 1 | 1 |
| 69 | 80 | 124 | 133 | 163 | 176 | 195 | 207 | 202 | 167 | 157 | 90 |
| 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.