WeatherWX.com
San Gabriel Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 59°F Lo 43°F | Hi 62°F Lo 45°F | Hi 70°F Lo 52°F | Hi 77°F Lo 58°F | Hi 84°F Lo 66°F | Hi 91°F Lo 73°F | Hi 95°F Lo 75°F | Hi 97°F Lo 76°F | Hi 89°F Lo 71°F | Hi 80°F Lo 61°F | Hi 68°F Lo 51°F | Hi 61°F Lo 46°F |
| 9 mph | 10 mph | 10 mph | 10 mph | 9 mph | 8 mph | 8 mph | 7 mph | 7 mph | 8 mph | 9 mph | 9 mph |
| 2.9 in | 2.4 in | 3.2 in | 4.4 in | 6.3 in | 3.5 in | 2.2 in | 2.9 in | 3.9 in | 4.3 in | 3.3 in | 3.2 in |
| 68% | 74% | 74% | 75% | 77% | 73% | 66% | 61% | 67% | 67% | 72% | 72% |
| 36% | 45% | 45% | 44% | 44% | 35% | 30% | 26% | 32% | 31% | 39% | 43% |
| 30.1 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 26 | 21 | 25 | 23 | 22 | 23 | 25 | 25 | 23 | 26 | 25 | 26 |
| 5 | 6 | 6 | 7 | 9 | 7 | 6 | 6 | 7 | 5 | 5 | 5 |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 6 | 5 | 4 | 3 |
| 218 | 155 | 166 | 162 | 161 | 195 | 234 | 257 | 209 | 228 | 192 | 180 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 15°C Lo 6°C | Hi 17°C Lo 7°C | Hi 21°C Lo 11°C | Hi 25°C Lo 15°C | Hi 29°C Lo 19°C | Hi 33°C Lo 23°C | Hi 35°C Lo 24°C | Hi 36°C Lo 24°C | Hi 32°C Lo 22°C | Hi 27°C Lo 16°C | Hi 20°C Lo 11°C | Hi 16°C Lo 8°C |
| 14 km/h | 15 km/h | 16 km/h | 15 km/h | 14 km/h | 13 km/h | 12 km/h | 12 km/h | 11 km/h | 13 km/h | 14 km/h | 14 km/h |
| 75 mm | 61 mm | 82 mm | 111 mm | 160 mm | 89 mm | 56 mm | 73 mm | 100 mm | 108 mm | 83 mm | 81 mm |
| 68% | 74% | 74% | 75% | 77% | 73% | 66% | 61% | 67% | 67% | 72% | 72% |
| 36% | 45% | 45% | 44% | 44% | 35% | 30% | 26% | 32% | 31% | 39% | 43% |
| 1021 mb | 1019 mb | 1017 mb | 1014 mb | 1013 mb | 1013 mb | 1015 mb | 1014 mb | 1015 mb | 1016 mb | 1020 mb | 1020 mb |
| 26 | 21 | 25 | 23 | 22 | 23 | 25 | 25 | 23 | 26 | 25 | 26 |
| 5 | 6 | 6 | 7 | 9 | 7 | 6 | 6 | 7 | 5 | 5 | 5 |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 6 | 5 | 4 | 3 |
| 218 | 155 | 166 | 162 | 161 | 195 | 234 | 257 | 209 | 228 | 192 | 180 |
| 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.