Weather World
Irwindale Park Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 65°F Lo 46°F | Hi 65°F Lo 46°F | Hi 68°F Lo 50°F | Hi 72°F Lo 53°F | Hi 74°F Lo 57°F | Hi 81°F Lo 62°F | Hi 87°F Lo 68°F | Hi 88°F Lo 69°F | Hi 86°F Lo 67°F | Hi 80°F Lo 60°F | Hi 72°F Lo 53°F | Hi 64°F Lo 47°F |
| 5 mph | 5 mph | 5 mph | 5 mph | 5 mph | 5 mph | 5 mph | 5 mph | 4 mph | 4 mph | 4 mph | 4 mph |
| 3.4 in | 4.3 in | 3.1 in | 0.8 in | 0.3 in | 0.1 in | 0.1 in | 0.2 in | 0.2 in | 0.6 in | 1.4 in | 4.3 in |
| 47% | 51% | 55% | 52% | 54% | 52% | 46% | 43% | 45% | 45% | 43% | 48% |
| 22% | 24% | 24% | 17% | 13% | 8% | 6% | 5% | 7% | 11% | 16% | 24% |
| 30.1 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.1 in |
| 27 | 25 | 28 | 29 | 30 | 30 | 31 | 31 | 29 | 30 | 28 | 27 |
| 4 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 4 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 6 | 5 | 4 | 4 |
| 282 | 252 | 273 | 307 | 313 | 323 | 340 | 360 | 338 | 318 | 301 | 281 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 18°C Lo 8°C | Hi 18°C Lo 8°C | Hi 20°C Lo 10°C | Hi 22°C Lo 12°C | Hi 23°C Lo 14°C | Hi 27°C Lo 17°C | Hi 30°C Lo 20°C | Hi 31°C Lo 21°C | Hi 30°C Lo 19°C | Hi 27°C Lo 16°C | Hi 22°C Lo 12°C | Hi 18°C Lo 8°C |
| 8 km/h | 7 km/h | 8 km/h | 9 km/h | 9 km/h | 8 km/h | 8 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h |
| 86 mm | 108 mm | 78 mm | 20 mm | 8 mm | 1 mm | 3 mm | 5 mm | 4 mm | 15 mm | 36 mm | 108 mm |
| 47% | 51% | 55% | 52% | 54% | 52% | 46% | 43% | 45% | 45% | 43% | 48% |
| 22% | 24% | 24% | 17% | 13% | 8% | 6% | 5% | 7% | 11% | 16% | 24% |
| 1019 mb | 1018 mb | 1017 mb | 1015 mb | 1013 mb | 1012 mb | 1013 mb | 1012 mb | 1012 mb | 1014 mb | 1017 mb | 1018 mb |
| 27 | 25 | 28 | 29 | 30 | 30 | 31 | 31 | 29 | 30 | 28 | 27 |
| 4 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 4 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 6 | 5 | 4 | 4 |
| 282 | 252 | 273 | 307 | 313 | 323 | 340 | 360 | 338 | 318 | 301 | 281 |
| 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.