WeatherWX.com
Ralston Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 32°F Lo 15°F | Hi 32°F Lo 14°F | Hi 46°F Lo 26°F | Hi 53°F Lo 32°F | Hi 63°F Lo 42°F | Hi 76°F Lo 52°F | Hi 86°F Lo 60°F | Hi 83°F Lo 58°F | Hi 74°F Lo 50°F | Hi 56°F Lo 36°F | Hi 42°F Lo 24°F | Hi 30°F Lo 14°F |
| 6 mph | 7 mph | 7 mph | 8 mph | 7 mph | 7 mph | 6 mph | 6 mph | 7 mph | 7 mph | 7 mph | 6 mph |
| 0.1 in | 0.2 in | 0.2 in | 0.5 in | 0.9 in | 0.4 in | 0.1 in | 0.2 in | 0.3 in | 0.4 in | 0.2 in | 0.2 in |
| 76% | 76% | 61% | 55% | 51% | 43% | 36% | 37% | 39% | 52% | 62% | 74% |
| 30% | 34% | 28% | 32% | 31% | 20% | 14% | 15% | 15% | 23% | 26% | 29% |
| 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 27 | 22 | 27 | 23 | 26 | 26 | 29 | 29 | 28 | 27 | 25 | 26 |
| 3 | 5 | 3 | 6 | 5 | 4 | 2 | 2 | 2 | 3 | 4 | 4 |
| 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 2 | 2 | 2 | 4 | 5 | 6 | 5 | 4 | 2 | 2 | 2 |
| 82 | 71 | 88 | 77 | 85 | 100 | 112 | 110 | 104 | 94 | 87 | 83 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 0°C Lo -10°C | Hi -0°C Lo -10°C | Hi 8°C Lo -3°C | Hi 12°C Lo 0°C | Hi 17°C Lo 6°C | Hi 25°C Lo 11°C | Hi 30°C Lo 16°C | Hi 28°C Lo 15°C | Hi 23°C Lo 10°C | Hi 13°C Lo 2°C | Hi 6°C Lo -4°C | Hi -1°C Lo -10°C |
| 10 km/h | 11 km/h | 12 km/h | 13 km/h | 12 km/h | 11 km/h | 10 km/h | 10 km/h | 11 km/h | 11 km/h | 10 km/h | 10 km/h |
| 3 mm | 5 mm | 5 mm | 13 mm | 21 mm | 10 mm | 3 mm | 5 mm | 8 mm | 9 mm | 5 mm | 4 mm |
| 76% | 76% | 61% | 55% | 51% | 43% | 36% | 37% | 39% | 52% | 62% | 74% |
| 30% | 34% | 28% | 32% | 31% | 20% | 14% | 15% | 15% | 23% | 26% | 29% |
| 1022 mb | 1021 mb | 1016 mb | 1014 mb | 1013 mb | 1012 mb | 1013 mb | 1014 mb | 1015 mb | 1017 mb | 1019 mb | 1021 mb |
| 27 | 22 | 27 | 23 | 26 | 26 | 29 | 29 | 28 | 27 | 25 | 26 |
| 3 | 5 | 3 | 6 | 5 | 4 | 2 | 2 | 2 | 3 | 4 | 4 |
| 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 2 | 2 | 2 | 4 | 5 | 6 | 5 | 4 | 2 | 2 | 2 |
| 82 | 71 | 88 | 77 | 85 | 100 | 112 | 110 | 104 | 94 | 87 | 83 |
| 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.