Weather World
Ontario Lagoon Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 32°F Lo 22°F | Hi 34°F Lo 23°F | Hi 43°F Lo 32°F | Hi 53°F Lo 42°F | Hi 64°F Lo 53°F | Hi 73°F Lo 63°F | Hi 79°F Lo 68°F | Hi 77°F Lo 67°F | Hi 72°F Lo 61°F | Hi 61°F Lo 51°F | Hi 48°F Lo 39°F | Hi 39°F Lo 31°F |
| 13 mph | 12 mph | 12 mph | 12 mph | 10 mph | 9 mph | 8 mph | 8 mph | 10 mph | 12 mph | 13 mph | 13 mph |
| 2.9 in | 3 in | 4.3 in | 5.3 in | 4.6 in | 5.6 in | 4.6 in | 3.6 in | 3.4 in | 3.8 in | 3.4 in | 3.8 in |
| 83% | 84% | 79% | 78% | 80% | 78% | 77% | 77% | 76% | 74% | 74% | 80% |
| 69% | 65% | 55% | 51% | 43% | 36% | 32% | 32% | 35% | 44% | 51% | 65% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 15 | 14 | 20 | 20 | 22 | 21 | 23 | 24 | 24 | 23 | 22 | 19 |
| 10 | 10 | 8 | 9 | 9 | 9 | 9 | 7 | 6 | 8 | 6 | 10 |
| 6 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1 | 1 | 2 | 3 | 5 | 5 | 6 | 5 | 4 | 3 | 2 | 1 |
| 72 | 91 | 130 | 138 | 176 | 191 | 218 | 231 | 207 | 168 | 144 | 85 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -0°C Lo -5°C | Hi 1°C Lo -5°C | Hi 6°C Lo -0°C | Hi 12°C Lo 5°C | Hi 18°C Lo 12°C | Hi 23°C Lo 17°C | Hi 26°C Lo 20°C | Hi 25°C Lo 20°C | Hi 22°C Lo 16°C | Hi 16°C Lo 10°C | Hi 9°C Lo 4°C | Hi 4°C Lo -1°C |
| 21 km/h | 19 km/h | 19 km/h | 19 km/h | 15 km/h | 15 km/h | 13 km/h | 14 km/h | 15 km/h | 20 km/h | 21 km/h | 21 km/h |
| 75 mm | 77 mm | 110 mm | 136 mm | 118 mm | 142 mm | 118 mm | 91 mm | 87 mm | 96 mm | 87 mm | 97 mm |
| 83% | 84% | 79% | 78% | 80% | 78% | 77% | 77% | 76% | 74% | 74% | 80% |
| 69% | 65% | 55% | 51% | 43% | 36% | 32% | 32% | 35% | 44% | 51% | 65% |
| 1019 mb | 1019 mb | 1018 mb | 1015 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1017 mb | 1017 mb | 1019 mb | 1019 mb |
| 15 | 14 | 20 | 20 | 22 | 21 | 23 | 24 | 24 | 23 | 22 | 19 |
| 10 | 10 | 8 | 9 | 9 | 9 | 9 | 7 | 6 | 8 | 6 | 10 |
| 6 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1 | 1 | 2 | 3 | 5 | 5 | 6 | 5 | 4 | 3 | 2 | 1 |
| 72 | 91 | 130 | 138 | 176 | 191 | 218 | 231 | 207 | 168 | 144 | 85 |
| 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.