WeatherWX.com
Corvallis Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 48°F Lo 35°F | Hi 48°F Lo 34°F | Hi 52°F Lo 36°F | Hi 57°F Lo 37°F | Hi 65°F Lo 41°F | Hi 71°F Lo 46°F | Hi 79°F Lo 50°F | Hi 82°F Lo 51°F | Hi 75°F Lo 49°F | Hi 63°F Lo 44°F | Hi 51°F Lo 38°F | Hi 45°F Lo 34°F |
| 5 mph | 5 mph | 5 mph | 5 mph | 5 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 5 mph | 5 mph |
| 8.9 in | 7.5 in | 9 in | 6 in | 3.9 in | 2.8 in | 0.5 in | 0.7 in | 2.9 in | 5.8 in | 9 in | 9.4 in |
| 88% | 88% | 86% | 82% | 78% | 75% | 69% | 68% | 71% | 78% | 86% | 89% |
| 60% | 63% | 62% | 57% | 50% | 42% | 25% | 22% | 31% | 43% | 58% | 61% |
| 30.1 in | 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in | 30.1 in |
| 18 | 15 | 17 | 20 | 24 | 26 | 30 | 30 | 26 | 24 | 19 | 17 |
| 12 | 11 | 13 | 10 | 7 | 4 | 1 | 1 | 4 | 7 | 11 | 13 |
| 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 7 | 9 | 8 | 10 | 12 | 13 | 11 | 10 | 7 | 7 | 7 | 9 |
| 2 | 2 | 3 | 3 | 4 | 5 | 6 | 5 | 4 | 3 | 2 | 2 |
| 116 | 85 | 98 | 115 | 164 | 197 | 287 | 298 | 235 | 187 | 115 | 113 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 9°C Lo 1°C | Hi 9°C Lo 1°C | Hi 11°C Lo 2°C | Hi 14°C Lo 3°C | Hi 18°C Lo 5°C | Hi 22°C Lo 8°C | Hi 26°C Lo 10°C | Hi 28°C Lo 11°C | Hi 24°C Lo 9°C | Hi 17°C Lo 6°C | Hi 11°C Lo 3°C | Hi 7°C Lo 1°C |
| 8 km/h | 8 km/h | 8 km/h | 8 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 8 km/h | 8 km/h |
| 226 mm | 190 mm | 229 mm | 153 mm | 100 mm | 70 mm | 13 mm | 17 mm | 74 mm | 148 mm | 228 mm | 239 mm |
| 88% | 88% | 86% | 82% | 78% | 75% | 69% | 68% | 71% | 78% | 86% | 89% |
| 60% | 63% | 62% | 57% | 50% | 42% | 25% | 22% | 31% | 43% | 58% | 61% |
| 1019 mb | 1019 mb | 1018 mb | 1018 mb | 1018 mb | 1017 mb | 1017 mb | 1016 mb | 1016 mb | 1018 mb | 1018 mb | 1019 mb |
| 18 | 15 | 17 | 20 | 24 | 26 | 30 | 30 | 26 | 24 | 19 | 17 |
| 12 | 11 | 13 | 10 | 7 | 4 | 1 | 1 | 4 | 7 | 11 | 13 |
| 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 7 | 9 | 8 | 10 | 12 | 13 | 11 | 10 | 7 | 7 | 7 | 9 |
| 2 | 2 | 3 | 3 | 4 | 5 | 6 | 5 | 4 | 3 | 2 | 2 |
| 116 | 85 | 98 | 115 | 164 | 197 | 287 | 298 | 235 | 187 | 115 | 113 |
| 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.