WeatherWX.com
Eureka Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -21°F Lo -30°F | Hi -23°F Lo -32°F | Hi -18°F Lo -27°F | Hi 0°F Lo -12°F | Hi 22°F Lo 13°F | Hi 42°F Lo 36°F | Hi 51°F Lo 45°F | Hi 43°F Lo 36°F | Hi 23°F Lo 17°F | Hi 3°F Lo -5°F | Hi -11°F Lo -19°F | Hi -16°F Lo -25°F |
| 5 mph | 5 mph | 5 mph | 5 mph | 6 mph | 8 mph | 8 mph | 7 mph | 6 mph | 5 mph | 5 mph | 5 mph |
| 0.1 in | 0 in | 0.1 in | 0.1 in | 0.1 in | 0.4 in | 0.6 in | 0.9 in | 0.4 in | 0.2 in | 0.1 in | 0.1 in |
| 97% | 97% | 96% | 94% | 89% | 75% | 64% | 74% | 89% | 94% | 94% | 96% |
| 78% | 78% | 75% | 68% | 57% | 52% | 46% | 58% | 70% | 72% | 76% | 76% |
| 29.9 in | 29.9 in | 30.0 in | 30.1 in | 30.1 in | 29.9 in | 29.8 in | 29.8 in | 29.8 in | 30.0 in | 29.9 in | 30.0 in |
| 30 | 28 | 30 | 29 | 28 | 28 | 29 | 27 | 24 | 28 | 29 | 30 |
| 1 | 0 | 1 | 1 | 2 | 2 | 1 | 3 | 4 | 3 | 1 | 1 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 | 1 |
| 58 | 53 | 68 | 79 | 126 | 146 | 173 | 121 | 76 | 79 | 61 | 61 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -29°C Lo -34°C | Hi -31°C Lo -35°C | Hi -28°C Lo -33°C | Hi -18°C Lo -24°C | Hi -6°C Lo -10°C | Hi 5°C Lo 2°C | Hi 11°C Lo 7°C | Hi 6°C Lo 2°C | Hi -5°C Lo -8°C | Hi -16°C Lo -20°C | Hi -24°C Lo -28°C | Hi -27°C Lo -32°C |
| 9 km/h | 8 km/h | 9 km/h | 9 km/h | 9 km/h | 12 km/h | 12 km/h | 12 km/h | 10 km/h | 8 km/h | 8 km/h | 9 km/h |
| 1 mm | 0 mm | 1 mm | 2 mm | 3 mm | 9 mm | 15 mm | 22 mm | 10 mm | 4 mm | 1 mm | 2 mm |
| 97% | 97% | 96% | 94% | 89% | 75% | 64% | 74% | 89% | 94% | 94% | 96% |
| 78% | 78% | 75% | 68% | 57% | 52% | 46% | 58% | 70% | 72% | 76% | 76% |
| 1013 mb | 1013 mb | 1017 mb | 1019 mb | 1018 mb | 1014 mb | 1011 mb | 1010 mb | 1011 mb | 1015 mb | 1013 mb | 1015 mb |
| 30 | 28 | 30 | 29 | 28 | 28 | 29 | 27 | 24 | 28 | 29 | 30 |
| 1 | 0 | 1 | 1 | 2 | 2 | 1 | 3 | 4 | 3 | 1 | 1 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 | 1 |
| 58 | 53 | 68 | 79 | 126 | 146 | 173 | 121 | 76 | 79 | 61 | 61 |
| 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.