WeatherWX.com
Fort Pierre Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 28°F Lo 12°F | Hi 30°F Lo 14°F | Hi 45°F Lo 28°F | Hi 56°F Lo 37°F | Hi 68°F Lo 49°F | Hi 81°F Lo 61°F | Hi 89°F Lo 67°F | Hi 86°F Lo 65°F | Hi 78°F Lo 57°F | Hi 60°F Lo 43°F | Hi 46°F Lo 30°F | Hi 30°F Lo 16°F |
| 10 mph | 10 mph | 11 mph | 12 mph | 11 mph | 10 mph | 10 mph | 10 mph | 11 mph | 11 mph | 10 mph | 10 mph |
| 0.2 in | 0.3 in | 0.4 in | 1 in | 1.3 in | 1.4 in | 1.2 in | 0.9 in | 0.7 in | 0.7 in | 0.2 in | 0.4 in |
| 84% | 79% | 72% | 62% | 62% | 60% | 52% | 50% | 49% | 56% | 63% | 79% |
| 49% | 49% | 45% | 42% | 38% | 28% | 21% | 22% | 21% | 30% | 32% | 46% |
| 30.1 in | 30.2 in | 30.0 in | 29.9 in | 29.9 in | 29.8 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.1 in | 30.1 in |
| 25 | 22 | 25 | 23 | 25 | 24 | 27 | 27 | 27 | 27 | 27 | 24 |
| 4 | 4 | 4 | 6 | 6 | 6 | 4 | 4 | 3 | 4 | 3 | 5 |
| 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 2 | 3 | 4 | 6 | 6 | 6 | 5 | 3 | 2 | 1 |
| 53 | 48 | 62 | 61 | 70 | 82 | 99 | 96 | 94 | 83 | 78 | 60 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -2°C Lo -11°C | Hi -1°C Lo -10°C | Hi 7°C Lo -2°C | Hi 13°C Lo 3°C | Hi 20°C Lo 9°C | Hi 27°C Lo 16°C | Hi 31°C Lo 20°C | Hi 30°C Lo 19°C | Hi 25°C Lo 14°C | Hi 15°C Lo 6°C | Hi 8°C Lo -1°C | Hi -1°C Lo -9°C |
| 16 km/h | 16 km/h | 18 km/h | 19 km/h | 18 km/h | 17 km/h | 16 km/h | 16 km/h | 17 km/h | 18 km/h | 17 km/h | 16 km/h |
| 4 mm | 8 mm | 10 mm | 25 mm | 34 mm | 36 mm | 30 mm | 23 mm | 17 mm | 18 mm | 5 mm | 9 mm |
| 84% | 79% | 72% | 62% | 62% | 60% | 52% | 50% | 49% | 56% | 63% | 79% |
| 49% | 49% | 45% | 42% | 38% | 28% | 21% | 22% | 21% | 30% | 32% | 46% |
| 1021 mb | 1021 mb | 1017 mb | 1014 mb | 1013 mb | 1010 mb | 1012 mb | 1012 mb | 1014 mb | 1015 mb | 1018 mb | 1020 mb |
| 25 | 22 | 25 | 23 | 25 | 24 | 27 | 27 | 27 | 27 | 27 | 24 |
| 4 | 4 | 4 | 6 | 6 | 6 | 4 | 4 | 3 | 4 | 3 | 5 |
| 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 2 | 3 | 4 | 6 | 6 | 6 | 5 | 3 | 2 | 1 |
| 53 | 48 | 62 | 61 | 70 | 82 | 99 | 96 | 94 | 83 | 78 | 60 |
| 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.