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Jurupa Valley Weather by Month
Average temperatures, rainfall and humidity for Jurupa Valley, United States, month by month, built from OpenWeather's historical records. Use it to see what a typical Jurupa Valley month looks like before you travel — then check the live Jurupa Valley forecast for the days ahead.
Warmest month
August
34°C average high
Coolest month
January
8°C average low
Wettest month
February
48 mm of rain
Driest month
June
2 mm of rain
Average temperature and rainfall in Jurupa Valley by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 20°C | 8°C | -9°C / 30°C | 44 mm | 54% | 9 km/h |
| February | 21°C | 8°C | -5°C / 33°C | 48 mm | 56% | 9 km/h |
| March | 22°C | 9°C | -2°C / 38°C | 35 mm | 60% | 9 km/h |
| April | 25°C | 11°C | -2°C / 37°C | 15 mm | 57% | 10 km/h |
| May | 26°C | 13°C | 3°C / 39°C | 19 mm | 63% | 10 km/h |
| June | 30°C | 16°C | 8°C / 43°C | 2 mm | 59% | 10 km/h |
| July | 34°C | 19°C | 10°C / 45°C | 5 mm | 53% | 10 km/h |
| August | 34°C | 19°C | 9°C / 42°C | 4 mm | 53% | 9 km/h |
| September | 32°C | 18°C | 6°C / 46°C | 7 mm | 55% | 9 km/h |
| October | 28°C | 13°C | 1°C / 40°C | 9 mm | 52% | 8 km/h |
| November | 24°C | 10°C | -4°C / 34°C | 18 mm | 49% | 8 km/h |
| December | 19°C | 8°C | -6°C / 31°C | 47 mm | 56% | 8 km/h |
Best time to visit Jurupa Valley
The most comfortable time to visit Jurupa Valley is generally April to May and November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around February, totalling about 253 mm a year.
Travellers who prefer heat should aim for August, when highs average 34°C. February is the month to avoid if rain would spoil your plans — it averages 48 mm, roughly 25× the rainfall of June.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Jurupa Valley forecast for what is happening now.