Weather World
Grass Lake Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -8°F Lo -19°F | Hi -7°F Lo -19°F | Hi 4°F Lo -13°F | Hi 20°F Lo 3°F | Hi 39°F Lo 26°F | Hi 58°F Lo 46°F | Hi 62°F Lo 49°F | Hi 53°F Lo 42°F | Hi 39°F Lo 30°F | Hi 18°F Lo 8°F | Hi -1°F Lo -11°F | Hi -6°F Lo -18°F |
| 5 mph | 4 mph | 4 mph | 4 mph | 5 mph | 6 mph | 5 mph | 5 mph | 4 mph | 4 mph | 4 mph | 5 mph |
| 0.4 in | 0.3 in | 0.2 in | 0.5 in | 1.5 in | 2.6 in | 2.7 in | 2.8 in | 1.6 in | 0.7 in | 0.5 in | 0.5 in |
| 88% | 89% | 89% | 90% | 83% | 57% | 62% | 71% | 80% | 88% | 89% | 88% |
| 51% | 53% | 50% | 56% | 53% | 44% | 45% | 52% | 58% | 55% | 54% | 52% |
| 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 | 30.0 in |
| 24 | 23 | 26 | 20 | 21 | 23 | 23 | 23 | 19 | 20 | 22 | 22 |
| 5 | 3 | 3 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 4 | 5 |
| 3 | 2 | 2 | 4 | 3 | 0 | 0 | 0 | 3 | 4 | 3 | 3 |
| 3 | 3 | 3 | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 2 |
| 1 | 1 | 1 | 1 | 2 | 4 | 4 | 2 | 1 | 2 | 1 | 1 |
| 146 | 128 | 159 | 127 | 132 | 157 | 149 | 128 | 113 | 117 | 137 | 151 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -22°C Lo -29°C | Hi -21°C Lo -28°C | Hi -16°C Lo -25°C | Hi -6°C Lo -16°C | Hi 4°C Lo -3°C | Hi 14°C Lo 8°C | Hi 16°C Lo 10°C | Hi 12°C Lo 6°C | Hi 4°C Lo -1°C | Hi -8°C Lo -13°C | Hi -18°C Lo -24°C | Hi -21°C Lo -28°C |
| 8 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 9 km/h | 9 km/h | 9 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h |
| 10 mm | 7 mm | 5 mm | 13 mm | 38 mm | 65 mm | 67 mm | 71 mm | 41 mm | 18 mm | 12 mm | 12 mm |
| 88% | 89% | 89% | 90% | 83% | 57% | 62% | 71% | 80% | 88% | 89% | 88% |
| 51% | 53% | 50% | 56% | 53% | 44% | 45% | 52% | 58% | 55% | 54% | 52% |
| 1018 mb | 1019 mb | 1018 mb | 1017 mb | 1014 mb | 1010 mb | 1010 mb | 1009 mb | 1009 mb | 1012 mb | 1015 mb | 1016 mb |
| 24 | 23 | 26 | 20 | 21 | 23 | 23 | 23 | 19 | 20 | 22 | 22 |
| 5 | 3 | 3 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 4 | 5 |
| 3 | 2 | 2 | 4 | 3 | 0 | 0 | 0 | 3 | 4 | 3 | 3 |
| 3 | 3 | 3 | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 2 |
| 1 | 1 | 1 | 1 | 2 | 4 | 4 | 2 | 1 | 2 | 1 | 1 |
| 146 | 128 | 159 | 127 | 132 | 157 | 149 | 128 | 113 | 117 | 137 | 151 |
| 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.