Riverside weather in August
August in Riverside averages 95°F by day and 65°F at night, with 0.0 inches of precipitation. It is the 1st-warmest and 11th-wettest month of the year here.
- Average high
- 95°F+2° vs July
- Average low
- 65°F0 nights below freezing
- Precipitation
- 0.0 in0 days with 0.1 in. or more
- Snow
- 0.0 in25 days at 90°F+
Is August a good time to visit Riverside?
August is hot. Average highs reach 95°F, with about 25 days at 90°F or more. The most comfortable months overall are October to May.
On August 15 the sun rises at 6:11 am and sets at 7:35 pm, giving 13h 24m of daylight. Daylight all year.
What to pack for Riverside in August
- Light, breathable clothes, a hat and sunscreen; carry water
Based on 30-year averages, not a forecast. Check the forecast a few days before you go.
August nearby
| City | Distance | High | Low | Precip. |
|---|---|---|---|---|
| Riverside | 95°F | 65°F | 0.0 in | |
| Jurupa Valley, CA | 5 mi | 95°F | 65°F | 0.0 in |
| Moreno Valley, CA | 10 mi | 96°F | 63°F | 0.1 in |
| Fontana, CA | 10 mi | 95°F | 65°F | 0.0 in |
| Corona, CA | 11 mi | 96°F | 63°F | 0.0 in |
| San Bernardino, CA | 12 mi | 96°F | 63°F | 0.1 in |
| Rialto, CA | 14 mi | 82°F | 57°F | 0.1 in |
Frequently asked questions
What is the weather like in Riverside in August?
In August, Riverside averages a high of 95°F and a low of 65°F, with 0.0 inches of precipitation (NOAA 1991-2020 normals).
Is August a good time to visit Riverside?
August is hot in Riverside, with average highs of 95°F. Plan outdoor time for mornings and evenings.
Does it snow in Riverside in August?
Rarely. The August snowfall normal is under half an inch.
Before and after: Riverside in July and Riverside in September. All twelve months: Riverside weather by month.
NOAA NCEI 1991-2020 climate normals, station Riverside Municipal Airport, CA, 2.4 miles from the city center; snowfall from Riverside Fire Stn 3, CA.