Weather World
St. John Lake Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 27°F Lo 13°F | Hi 30°F Lo 14°F | Hi 40°F Lo 23°F | Hi 52°F Lo 33°F | Hi 66°F Lo 45°F | Hi 74°F Lo 53°F | Hi 80°F Lo 59°F | Hi 78°F Lo 57°F | Hi 71°F Lo 51°F | Hi 57°F Lo 41°F | Hi 44°F Lo 30°F | Hi 33°F Lo 22°F |
| 6 mph | 6 mph | 7 mph | 7 mph | 6 mph | 6 mph | 5 mph | 5 mph | 5 mph | 6 mph | 6 mph | 6 mph |
| 3.3 in | 3.6 in | 4.4 in | 5.1 in | 4.8 in | 5.6 in | 5.5 in | 4.7 in | 3.9 in | 5.2 in | 3.7 in | 5 in |
| 82% | 84% | 80% | 74% | 75% | 76% | 76% | 78% | 78% | 79% | 77% | 80% |
| 59% | 60% | 57% | 55% | 50% | 46% | 39% | 40% | 40% | 50% | 48% | 59% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.1 in | 30.0 in | 30.1 in | 30.1 in |
| 15 | 13 | 18 | 20 | 23 | 21 | 22 | 22 | 24 | 23 | 20 | 15 |
| 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 6 | 7 | 7 | 10 |
| 7 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 |
| 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 106 | 93 | 114 | 126 | 154 | 154 | 194 | 208 | 200 | 139 | 152 | 114 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -3°C Lo -11°C | Hi -1°C Lo -10°C | Hi 4°C Lo -5°C | Hi 11°C Lo 1°C | Hi 19°C Lo 7°C | Hi 23°C Lo 12°C | Hi 27°C Lo 15°C | Hi 25°C Lo 14°C | Hi 22°C Lo 11°C | Hi 14°C Lo 5°C | Hi 7°C Lo -1°C | Hi 1°C Lo -6°C |
| 10 km/h | 10 km/h | 11 km/h | 11 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 8 km/h | 9 km/h | 10 km/h | 10 km/h |
| 84 mm | 92 mm | 111 mm | 130 mm | 121 mm | 141 mm | 140 mm | 119 mm | 99 mm | 131 mm | 94 mm | 127 mm |
| 82% | 84% | 80% | 74% | 75% | 76% | 76% | 78% | 78% | 79% | 77% | 80% |
| 59% | 60% | 57% | 55% | 50% | 46% | 39% | 40% | 40% | 50% | 48% | 59% |
| 1017 mb | 1017 mb | 1017 mb | 1015 mb | 1016 mb | 1013 mb | 1014 mb | 1015 mb | 1018 mb | 1017 mb | 1018 mb | 1018 mb |
| 15 | 13 | 18 | 20 | 23 | 21 | 22 | 22 | 24 | 23 | 20 | 15 |
| 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 6 | 7 | 7 | 10 |
| 7 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 |
| 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 106 | 93 | 114 | 126 | 154 | 154 | 194 | 208 | 200 | 139 | 152 | 114 |
| 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.