Climate normals · 1970–2000
Riverside Climate
Riverside is a city in United States (CA) with a population of about 317,261. Its average annual temperature is 18.3°C (65°F), with roughly 334 mm of rain per year.
18.3°C
Avg Temp
334
Precip (mm/yr)
Aug
Hottest Month
Dec
Coldest Month
Riverside Climate
Riverside has an average annual temperature of 18.3°C (65°F) and receives about 334 mm of precipitation per year. The warmest month is August and the coldest is December. Figures are 1970–2000 climate normals.
18.3°C
Avg Temp
334
Precip (mm/yr)
Aug
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 12° / 54° | 69 mm |
| February | 13° / 56° | 71 mm |
| March | 14° / 58° | 63 mm |
| April | 17° / 62° | 21 mm |
| May | 19° / 66° | 7 mm |
| June | 22° / 72° | 2 mm |
| July | 25° / 77° | 2 mm |
| August | 26° / 78° | 4 mm |
| September | 24° / 74° | 9 mm |
| October | 20° / 68° | 10 mm |
| November | 15° / 60° | 32 mm |
| December | 12° / 54° | 44 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Riverside
The most comfortable months to visit Riverside are typically June, October and May, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 34°C high). The coldest is December (near 5°C low). February is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Riverside are typically June, October and May, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Riverside, United States has an average annual temperature of 18.3°C and about 334 mm of precipitation per year. The warmest month is August and the coldest is December.
In August, the hottest month, daily highs in Riverside average about 34°C (94°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.