Weather World
Ontario High School Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 36°F Lo 24°F | Hi 43°F Lo 29°F | Hi 54°F Lo 36°F | Hi 62°F Lo 41°F | Hi 72°F Lo 49°F | Hi 82°F Lo 58°F | Hi 95°F Lo 67°F | Hi 93°F Lo 66°F | Hi 82°F Lo 57°F | Hi 64°F Lo 44°F | Hi 48°F Lo 33°F | Hi 36°F Lo 25°F |
| 4 mph | 5 mph | 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 5 mph | 5 mph | 5 mph | 5 mph | 4 mph |
| 1.6 in | 1.4 in | 1.3 in | 1 in | 1 in | 0.5 in | 0.1 in | 0.2 in | 0.5 in | 0.9 in | 1.4 in | 2.5 in |
| 83% | 76% | 64% | 53% | 48% | 42% | 29% | 30% | 36% | 50% | 65% | 80% |
| 49% | 46% | 42% | 32% | 25% | 17% | 7% | 10% | 15% | 25% | 36% | 51% |
| 30.3 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.1 in | 30.2 in |
| 20 | 21 | 25 | 26 | 27 | 28 | 31 | 30 | 28 | 28 | 25 | 19 |
| 7 | 5 | 5 | 4 | 4 | 2 | 0 | 1 | 2 | 3 | 4 | 7 |
| 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
| 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
| 2 | 2 | 3 | 3 | 5 | 6 | 7 | 6 | 4 | 3 | 2 | 1 |
| 153 | 151 | 181 | 222 | 256 | 277 | 332 | 341 | 302 | 258 | 206 | 150 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 2°C Lo -4°C | Hi 6°C Lo -2°C | Hi 12°C Lo 2°C | Hi 17°C Lo 5°C | Hi 22°C Lo 10°C | Hi 28°C Lo 14°C | Hi 35°C Lo 19°C | Hi 34°C Lo 19°C | Hi 28°C Lo 14°C | Hi 18°C Lo 7°C | Hi 9°C Lo 1°C | Hi 2°C Lo -4°C |
| 6 km/h | 8 km/h | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 8 km/h | 7 km/h |
| 42 mm | 35 mm | 33 mm | 25 mm | 26 mm | 14 mm | 2 mm | 6 mm | 12 mm | 22 mm | 36 mm | 63 mm |
| 83% | 76% | 64% | 53% | 48% | 42% | 29% | 30% | 36% | 50% | 65% | 80% |
| 49% | 46% | 42% | 32% | 25% | 17% | 7% | 10% | 15% | 25% | 36% | 51% |
| 1025 mb | 1021 mb | 1017 mb | 1016 mb | 1013 mb | 1012 mb | 1012 mb | 1012 mb | 1014 mb | 1016 mb | 1020 mb | 1023 mb |
| 20 | 21 | 25 | 26 | 27 | 28 | 31 | 30 | 28 | 28 | 25 | 19 |
| 7 | 5 | 5 | 4 | 4 | 2 | 0 | 1 | 2 | 3 | 4 | 7 |
| 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
| 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
| 2 | 2 | 3 | 3 | 5 | 6 | 7 | 6 | 4 | 3 | 2 | 1 |
| 153 | 151 | 181 | 222 | 256 | 277 | 332 | 341 | 302 | 258 | 206 | 150 |
| 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.