Weather World
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 -31°F | Hi -19°F Lo -28°F | Hi -0°F Lo -12°F | Hi 22°F Lo 13°F | Hi 41°F Lo 34°F | Hi 50°F Lo 43°F | Hi 42°F Lo 35°F | Hi 23°F Lo 18°F | Hi 3°F Lo -5°F | Hi -10°F Lo -18°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 | 0.1 in | 0.1 in | 0.1 in | 0.2 in | 0.4 in | 0.7 in | 1 in | 0.5 in | 0.2 in | 0.1 in | 0.1 in |
| 97% | 97% | 96% | 93% | 89% | 76% | 66% | 75% | 89% | 94% | 94% | 96% |
| 78% | 79% | 74% | 68% | 58% | 52% | 49% | 59% | 69% | 72% | 77% | 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 | 29.9 in | 29.9 in | 29.9 in | 30.0 in |
| 28 | 26 | 29 | 27 | 26 | 27 | 29 | 26 | 23 | 27 | 26 | 28 |
| 1 | 1 | 1 | 2 | 3 | 2 | 2 | 4 | 4 | 2 | 2 | 2 |
| 1 | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 3 | 2 | 2 | 2 |
| 4 | 4 | 5 | 2 | 1 | 0 | 0 | 0 | 1 | 2 | 4 | 4 |
| 1 | 1 | 1 | 1 | 1 | 2 | 3 | 1 | 1 | 1 | 1 | 1 |
| 59 | 49 | 72 | 80 | 116 | 141 | 159 | 118 | 80 | 77 | 60 | 62 |
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 -11°C | Hi 5°C Lo 1°C | Hi 10°C Lo 6°C | Hi 5°C Lo 2°C | Hi -5°C Lo -8°C | Hi -16°C Lo -20°C | Hi -23°C Lo -28°C | Hi -27°C Lo -32°C |
| 8 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 |
| 2 mm | 1 mm | 2 mm | 2 mm | 5 mm | 10 mm | 18 mm | 24 mm | 13 mm | 5 mm | 2 mm | 3 mm |
| 97% | 97% | 96% | 93% | 89% | 76% | 66% | 75% | 89% | 94% | 94% | 96% |
| 78% | 79% | 74% | 68% | 58% | 52% | 49% | 59% | 69% | 72% | 77% | 76% |
| 101.3 kPa | 101.3 kPa | 101.7 kPa | 101.9 kPa | 101.8 kPa | 101.3 kPa | 101 kPa | 101 kPa | 101.1 kPa | 101.4 kPa | 101.3 kPa | 101.5 kPa |
| 28 | 26 | 29 | 27 | 26 | 27 | 29 | 26 | 23 | 27 | 26 | 28 |
| 1 | 1 | 1 | 2 | 3 | 2 | 2 | 4 | 4 | 2 | 2 | 2 |
| 1 | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 3 | 2 | 2 | 2 |
| 4 | 4 | 5 | 2 | 1 | 0 | 0 | 0 | 1 | 2 | 4 | 4 |
| 1 | 1 | 1 | 1 | 1 | 2 | 3 | 1 | 1 | 1 | 1 | 1 |
| 59 | 49 | 72 | 80 | 116 | 141 | 159 | 118 | 80 | 77 | 60 | 62 |
| 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.