Weather World
Town of Grimsby, ON
Grimsby Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 30°F Lo 20°F | Hi 31°F Lo 20°F | Hi 40°F Lo 28°F | Hi 50°F Lo 37°F | Hi 63°F Lo 49°F | Hi 73°F Lo 59°F | Hi 79°F Lo 65°F | Hi 78°F Lo 64°F | Hi 72°F Lo 58°F | Hi 59°F Lo 47°F | Hi 46°F Lo 36°F | Hi 36°F Lo 28°F |
| 11 mph | 11 mph | 10 mph | 10 mph | 8 mph | 8 mph | 7 mph | 7 mph | 8 mph | 10 mph | 11 mph | 11 mph |
| 2.9 in | 3.2 in | 3.8 in | 4.7 in | 4.1 in | 4.2 in | 4 in | 3.4 in | 2.9 in | 4.1 in | 2.8 in | 3.7 in |
| 83% | 83% | 77% | 74% | 76% | 76% | 75% | 74% | 74% | 76% | 76% | 81% |
| 65% | 63% | 56% | 52% | 41% | 36% | 31% | 31% | 35% | 47% | 49% | 64% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.0 in |
| 16 | 13 | 19 | 20 | 23 | 22 | 23 | 24 | 24 | 23 | 22 | 18 |
| 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 6 | 8 | 7 | 9 |
| 5 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 |
| 1 | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 1 | 1 |
| 81 | 82 | 121 | 139 | 193 | 211 | 237 | 235 | 211 | 142 | 144 | 78 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -1°C Lo -7°C | Hi -1°C Lo -7°C | Hi 5°C Lo -2°C | Hi 10°C Lo 3°C | Hi 17°C Lo 9°C | Hi 23°C Lo 15°C | Hi 26°C Lo 18°C | Hi 25°C Lo 18°C | Hi 22°C Lo 15°C | Hi 15°C Lo 8°C | Hi 8°C Lo 2°C | Hi 2°C Lo -2°C |
| 18 km/h | 18 km/h | 17 km/h | 16 km/h | 13 km/h | 13 km/h | 11 km/h | 12 km/h | 13 km/h | 16 km/h | 17 km/h | 18 km/h |
| 73 mm | 81 mm | 98 mm | 118 mm | 103 mm | 107 mm | 101 mm | 86 mm | 73 mm | 103 mm | 72 mm | 94 mm |
| 83% | 83% | 77% | 74% | 76% | 76% | 75% | 74% | 74% | 76% | 76% | 81% |
| 65% | 63% | 56% | 52% | 41% | 36% | 31% | 31% | 35% | 47% | 49% | 64% |
| 101.7 kPa | 101.8 kPa | 101.8 kPa | 101.5 kPa | 101.6 kPa | 101.3 kPa | 101.4 kPa | 101.5 kPa | 101.7 kPa | 101.6 kPa | 101.8 kPa | 101.7 kPa |
| 16 | 13 | 19 | 20 | 23 | 22 | 23 | 24 | 24 | 23 | 22 | 18 |
| 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 6 | 8 | 7 | 9 |
| 5 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 |
| 1 | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 1 | 1 |
| 81 | 82 | 121 | 139 | 193 | 211 | 237 | 235 | 211 | 142 | 144 | 78 |
| 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.