Fort Smith Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 2°F Lo -13°F | Hi 5°F Lo -13°F | Hi 18°F Lo -1°F | Hi 36°F Lo 19°F | Hi 60°F Lo 39°F | Hi 71°F Lo 50°F | Hi 75°F Lo 54°F | Hi 71°F Lo 52°F | Hi 59°F Lo 43°F | Hi 39°F Lo 30°F | Hi 19°F Lo 9°F | Hi 4°F Lo -9°F |
| 6 mph | 6 mph | 6 mph | 6 mph | 7 mph | 6 mph | 6 mph | 6 mph | 7 mph | 6 mph | 6 mph | 6 mph |
| 0.7 in | 0.4 in | 0.5 in | 0.7 in | 1.3 in | 2 in | 2.5 in | 2.3 in | 1.7 in | 1 in | 0.7 in | 0.6 in |
| 96% | 96% | 95% | 86% | 54% | 53% | 57% | 64% | 70% | 81% | 92% | 96% |
| 82% | 84% | 85% | 70% | 41% | 39% | 38% | 42% | 48% | 62% | 74% | 82% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.8 in | 29.8 in | 29.8 in | 29.8 in | 29.9 in | 30.0 in | 30.1 in |
| 20 | 20 | 20 | 23 | 26 | 23 | 23 | 25 | 25 | 21 | 17 | 21 |
| 7 | 5 | 7 | 5 | 4 | 7 | 8 | 6 | 5 | 6 | 8 | 6 |
| 6 | 4 | 6 | 3 | 1 | 0 | 0 | 0 | 0 | 3 | 6 | 5 |
| 5 | 4 | 6 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 4 |
| 1 | 1 | 1 | 2 | 4 | 5 | 5 | 3 | 2 | 1 | 1 | 1 |
| 40 | 30 | 25 | 74 | 205 | 202 | 202 | 198 | 158 | 99 | 63 | 40 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -17°C Lo -25°C | Hi -15°C Lo -25°C | Hi -8°C Lo -19°C | Hi 2°C Lo -7°C | Hi 15°C Lo 4°C | Hi 22°C Lo 10°C | Hi 24°C Lo 12°C | Hi 22°C Lo 11°C | Hi 15°C Lo 6°C | Hi 4°C Lo -1°C | Hi -7°C Lo -13°C | Hi -16°C Lo -23°C |
| 9 km/h | 9 km/h | 9 km/h | 10 km/h | 11 km/h | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 9 km/h |
| 18 mm | 10 mm | 13 mm | 17 mm | 32 mm | 51 mm | 63 mm | 58 mm | 42 mm | 26 mm | 19 mm | 14 mm |
| 96% | 96% | 95% | 86% | 54% | 53% | 57% | 64% | 70% | 81% | 92% | 96% |
| 82% | 84% | 85% | 70% | 41% | 39% | 38% | 42% | 48% | 62% | 74% | 82% |
| 102 kPa | 102.1 kPa | 102 kPa | 101.8 kPa | 101.5 kPa | 101 kPa | 101 kPa | 101.1 kPa | 101.1 kPa | 101.3 kPa | 101.5 kPa | 101.8 kPa |
| 20 | 20 | 20 | 23 | 26 | 23 | 23 | 25 | 25 | 21 | 17 | 21 |
| 7 | 5 | 7 | 5 | 4 | 7 | 8 | 6 | 5 | 6 | 8 | 6 |
| 6 | 4 | 6 | 3 | 1 | 0 | 0 | 0 | 0 | 3 | 6 | 5 |
| 5 | 4 | 6 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 4 |
| 1 | 1 | 1 | 2 | 4 | 5 | 5 | 3 | 2 | 1 | 1 | 1 |
| 40 | 30 | 25 | 74 | 205 | 202 | 202 | 198 | 158 | 99 | 63 | 40 |
| 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.
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