WeatherWX.com
Riverside Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 59°F Lo 42°F | Hi 62°F Lo 46°F | Hi 71°F Lo 52°F | Hi 78°F Lo 58°F | Hi 85°F Lo 66°F | Hi 92°F Lo 73°F | Hi 95°F Lo 75°F | Hi 96°F Lo 75°F | Hi 89°F Lo 70°F | Hi 81°F Lo 61°F | Hi 69°F Lo 51°F | Hi 61°F Lo 46°F |
| 6 mph | 7 mph | 7 mph | 7 mph | 7 mph | 6 mph | 5 mph | 5 mph | 5 mph | 6 mph | 6 mph | 6 mph |
| 4.5 in | 3.7 in | 4.4 in | 6 in | 7.7 in | 4.2 in | 3.5 in | 4.4 in | 4.4 in | 5 in | 3.7 in | 5 in |
| 76% | 80% | 76% | 74% | 75% | 72% | 70% | 68% | 72% | 70% | 74% | 79% |
| 42% | 52% | 47% | 44% | 43% | 36% | 34% | 31% | 35% | 32% | 40% | 49% |
| 30.2 in | 30.1 in | 30.0 in | 30.0 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 |
| 24 | 21 | 24 | 22 | 21 | 20 | 20 | 20 | 20 | 25 | 24 | 25 |
| 7 | 7 | 7 | 8 | 10 | 10 | 11 | 11 | 10 | 6 | 6 | 6 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 4 | 4 | 5 | 6 | 6 | 7 | 6 | 6 | 5 | 4 | 3 |
| 195 | 135 | 163 | 175 | 178 | 201 | 215 | 232 | 202 | 229 | 192 | 162 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 15°C Lo 6°C | Hi 17°C Lo 8°C | Hi 22°C Lo 11°C | Hi 26°C Lo 15°C | Hi 30°C Lo 19°C | Hi 34°C Lo 23°C | Hi 35°C Lo 24°C | Hi 35°C Lo 24°C | Hi 32°C Lo 21°C | Hi 27°C Lo 16°C | Hi 20°C Lo 11°C | Hi 16°C Lo 8°C |
| 10 km/h | 11 km/h | 11 km/h | 12 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 8 km/h | 9 km/h | 10 km/h | 10 km/h |
| 115 mm | 95 mm | 113 mm | 153 mm | 195 mm | 108 mm | 90 mm | 111 mm | 112 mm | 126 mm | 93 mm | 126 mm |
| 76% | 80% | 76% | 74% | 75% | 72% | 70% | 68% | 72% | 70% | 74% | 79% |
| 42% | 52% | 47% | 44% | 43% | 36% | 34% | 31% | 35% | 32% | 40% | 49% |
| 1021 mb | 1019 mb | 1017 mb | 1014 mb | 1014 mb | 1013 mb | 1015 mb | 1014 mb | 1015 mb | 1016 mb | 1020 mb | 1020 mb |
| 24 | 21 | 24 | 22 | 21 | 20 | 20 | 20 | 20 | 25 | 24 | 25 |
| 7 | 7 | 7 | 8 | 10 | 10 | 11 | 11 | 10 | 6 | 6 | 6 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 4 | 4 | 5 | 6 | 6 | 7 | 6 | 6 | 5 | 4 | 3 |
| 195 | 135 | 163 | 175 | 178 | 201 | 215 | 232 | 202 | 229 | 192 | 162 |
| 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.