Weather World
Graham Reservoir Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 28°F Lo 11°F | Hi 30°F Lo 13°F | Hi 39°F Lo 21°F | Hi 47°F Lo 27°F | Hi 59°F Lo 36°F | Hi 73°F Lo 46°F | Hi 81°F Lo 55°F | Hi 79°F Lo 53°F | Hi 71°F Lo 45°F | Hi 54°F Lo 32°F | Hi 40°F Lo 21°F | Hi 29°F Lo 12°F |
| 9 mph | 10 mph | 9 mph | 10 mph | 9 mph | 9 mph | 7 mph | 8 mph | 8 mph | 9 mph | 9 mph | 9 mph |
| 0.8 in | 0.9 in | 1.8 in | 2 in | 2.7 in | 1.3 in | 0.8 in | 1.2 in | 1.2 in | 1.3 in | 1.1 in | 1.1 in |
| 80% | 80% | 73% | 61% | 52% | 40% | 35% | 36% | 39% | 51% | 65% | 78% |
| 34% | 38% | 36% | 33% | 30% | 17% | 18% | 16% | 16% | 22% | 28% | 36% |
| 30.3 in | 30.2 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.2 in |
| 20 | 17 | 18 | 18 | 20 | 24 | 26 | 25 | 25 | 25 | 21 | 20 |
| 7 | 7 | 7 | 8 | 9 | 6 | 5 | 6 | 5 | 4 | 5 | 7 |
| 4 | 4 | 6 | 4 | 2 | 0 | 0 | 0 | 0 | 1 | 4 | 4 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2 | 2 | 2 | 2 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 2 |
| 220 | 177 | 216 | 216 | 227 | 273 | 287 | 310 | 298 | 275 | 251 | 222 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -2°C Lo -12°C | Hi -1°C Lo -10°C | Hi 4°C Lo -6°C | Hi 9°C Lo -3°C | Hi 15°C Lo 2°C | Hi 23°C Lo 8°C | Hi 27°C Lo 13°C | Hi 26°C Lo 12°C | Hi 22°C Lo 7°C | Hi 12°C Lo 0°C | Hi 5°C Lo -6°C | Hi -2°C Lo -11°C |
| 14 km/h | 15 km/h | 15 km/h | 16 km/h | 14 km/h | 14 km/h | 12 km/h | 12 km/h | 13 km/h | 15 km/h | 14 km/h | 14 km/h |
| 21 mm | 22 mm | 45 mm | 49 mm | 69 mm | 32 mm | 20 mm | 31 mm | 30 mm | 32 mm | 28 mm | 28 mm |
| 80% | 80% | 73% | 61% | 52% | 40% | 35% | 36% | 39% | 51% | 65% | 78% |
| 34% | 38% | 36% | 33% | 30% | 17% | 18% | 16% | 16% | 22% | 28% | 36% |
| 1026 mb | 1021 mb | 1017 mb | 1014 mb | 1012 mb | 1012 mb | 1014 mb | 1014 mb | 1015 mb | 1017 mb | 1021 mb | 1024 mb |
| 20 | 17 | 18 | 18 | 20 | 24 | 26 | 25 | 25 | 25 | 21 | 20 |
| 7 | 7 | 7 | 8 | 9 | 6 | 5 | 6 | 5 | 4 | 5 | 7 |
| 4 | 4 | 6 | 4 | 2 | 0 | 0 | 0 | 0 | 1 | 4 | 4 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2 | 2 | 2 | 2 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 2 |
| 220 | 177 | 216 | 216 | 227 | 273 | 287 | 310 | 298 | 275 | 251 | 222 |
| 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.