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Harriston, Mississippi Climate Averages
Harriston Monthly Averages
12 Month Weather Scroll °F 
°C
°C
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 55°F Lo 40°F | Hi 59°F Lo 44°F | Hi 68°F Lo 51°F | Hi 76°F Lo 56°F | Hi 83°F Lo 64°F | Hi 90°F Lo 71°F | Hi 91°F Lo 73°F | Hi 91°F Lo 72°F | Hi 87°F Lo 68°F | Hi 78°F Lo 58°F | Hi 66°F Lo 48°F | Hi 58°F Lo 44°F |
| 7 mph | 8 mph | 7 mph | 7 mph | 6 mph | 5 mph | 5 mph | 5 mph | 5 mph | 6 mph | 7 mph | 7 mph |
| 6 in | 6 in | 7 in | 5.8 in | 5.8 in | 6.1 in | 6.7 in | 7.8 in | 7.7 in | 4.9 in | 3.6 in | 6.1 in |
| 79% | 82% | 80% | 78% | 77% | 76% | 76% | 75% | 75% | 71% | 75% | 81% |
| 41% | 47% | 44% | 34% | 31% | 28% | 30% | 29% | 30% | 27% | 33% | 45% |
| 30.6 in | 30.6 in | 30.6 in | 30.5 in | 30.5 in | 30.4 in | 30.5 in | 30.4 in | 30.5 in | 30.5 in | 30.6 in | 30.6 in |
| 14 | 9 | 12 | 13 | 12 | 8 | 7 | 6 | 10 | 18 | 18 | 13 |
| 14 | 16 | 17 | 15 | 17 | 19 | 20 | 22 | 18 | 11 | 11 | 15 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 4 | 4 | 7 | 7 | 10 | 8 | 8 | 7 | 7 | 7 | 6 | 4 |
| 3 | 4 | 4 | 5 | 6 | 7 | 7 | 7 | 6 | 4 | 4 | 3 |
| 267 | 224 | 271 | 307 | 336 | 339 | 350 | 348 | 325 | 327 | 294 | 251 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 13°C Lo 5°C | Hi 15°C Lo 7°C | Hi 20°C Lo 10°C | Hi 24°C Lo 13°C | Hi 28°C Lo 18°C | Hi 32°C Lo 22°C | Hi 33°C Lo 23°C | Hi 33°C Lo 22°C | Hi 31°C Lo 20°C | Hi 26°C Lo 14°C | Hi 19°C Lo 9°C | Hi 14°C Lo 7°C |
| 12 km/h | 12 km/h | 12 km/h | 12 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 8 km/h | 10 km/h | 11 km/h | 11 km/h |
| 153 mm | 153 mm | 178 mm | 148 mm | 148 mm | 155 mm | 170 mm | 199 mm | 195 mm | 125 mm | 92 mm | 155 mm |
| 79% | 82% | 80% | 78% | 77% | 76% | 76% | 75% | 75% | 71% | 75% | 81% |
| 41% | 47% | 44% | 34% | 31% | 28% | 30% | 29% | 30% | 27% | 33% | 45% |
| 1022 mb | 1020 mb | 1019 mb | 1016 mb | 1015 mb | 1014 mb | 1016 mb | 1015 mb | 1015 mb | 1017 mb | 1021 mb | 1021 mb |
| 14 | 9 | 12 | 13 | 12 | 8 | 7 | 6 | 10 | 18 | 18 | 13 |
| 14 | 16 | 17 | 15 | 17 | 19 | 20 | 22 | 18 | 11 | 11 | 15 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 4 | 4 | 7 | 7 | 10 | 8 | 8 | 7 | 7 | 7 | 6 | 4 |
| 3 | 4 | 4 | 5 | 6 | 7 | 7 | 7 | 6 | 4 | 4 | 3 |
| 267 | 224 | 271 | 307 | 336 | 339 | 350 | 348 | 325 | 327 | 294 | 251 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Barometric Pressure |
| Average Dry Days |
| Avg. Precip. Days |
| Average Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.
