Weather World
Alta Loma High School Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 65°F Lo 44°F | Hi 65°F Lo 44°F | Hi 68°F Lo 47°F | Hi 73°F Lo 51°F | Hi 77°F Lo 55°F | Hi 86°F Lo 61°F | Hi 92°F Lo 68°F | Hi 93°F Lo 69°F | Hi 90°F Lo 66°F | Hi 81°F Lo 58°F | Hi 72°F Lo 50°F | Hi 64°F Lo 45°F |
| 5 mph | 5 mph | 5 mph | 5 mph | 6 mph | 5 mph | 5 mph | 5 mph | 4 mph | 4 mph | 4 mph | 4 mph |
| 3.4 in | 4.5 in | 2.9 in | 1.1 in | 0.5 in | 0.1 in | 0.1 in | 0.3 in | 0.2 in | 0.8 in | 2 in | 4.6 in |
| 46% | 50% | 53% | 50% | 51% | 47% | 41% | 39% | 42% | 42% | 41% | 47% |
| 23% | 25% | 26% | 19% | 13% | 7% | 5% | 5% | 7% | 12% | 17% | 24% |
| 30.1 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 | 29.9 in | 30.0 in | 30.1 in |
| 27 | 24 | 27 | 28 | 30 | 30 | 31 | 30 | 29 | 29 | 28 | 27 |
| 4 | 4 | 4 | 2 | 1 | 0 | 0 | 1 | 1 | 2 | 2 | 4 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 6 | 5 | 4 | 3 |
| 273 | 241 | 269 | 296 | 306 | 324 | 340 | 358 | 336 | 316 | 298 | 276 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 18°C Lo 7°C | Hi 18°C Lo 7°C | Hi 20°C Lo 8°C | Hi 23°C Lo 10°C | Hi 25°C Lo 13°C | Hi 30°C Lo 16°C | Hi 33°C Lo 20°C | Hi 34°C Lo 21°C | Hi 32°C Lo 19°C | Hi 27°C Lo 15°C | Hi 22°C Lo 10°C | Hi 18°C Lo 7°C |
| 8 km/h | 7 km/h | 8 km/h | 9 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 |
| 85 mm | 115 mm | 73 mm | 29 mm | 13 mm | 2 mm | 2 mm | 8 mm | 6 mm | 21 mm | 51 mm | 116 mm |
| 46% | 50% | 53% | 50% | 51% | 47% | 41% | 39% | 42% | 42% | 41% | 47% |
| 23% | 25% | 26% | 19% | 13% | 7% | 5% | 5% | 7% | 12% | 17% | 24% |
| 1019 mb | 1018 mb | 1016 mb | 1014 mb | 1013 mb | 1011 mb | 1012 mb | 1012 mb | 1012 mb | 1014 mb | 1017 mb | 1018 mb |
| 27 | 24 | 27 | 28 | 30 | 30 | 31 | 30 | 29 | 29 | 28 | 27 |
| 4 | 4 | 4 | 2 | 1 | 0 | 0 | 1 | 1 | 2 | 2 | 4 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 6 | 5 | 4 | 3 |
| 273 | 241 | 269 | 296 | 306 | 324 | 340 | 358 | 336 | 316 | 298 | 276 |
| 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.