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United StatesThe weather in January in Riverside
It's pleasantly warm in January in Riverside with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 22°C. At night, you can expect temperatures between 6°C and 10°C.
Looking for great weather? January is a good time to be in Riverside. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Riverside, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 31°C in 2021, Riverside reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 10°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 17°C.
Rainfall amount
In January, there is an average of 46 mm of precipitation, spread over 6 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in January for Riverside
Click on any day in January to get detailed info about the usual weather on that day in Riverside. Check out the historical temperatures and precipitation over the past 10 years on this day.
January weather comparison
| Riverside | New York | |
|---|---|---|
| Average temperature | 20°C | 5°C |
| Max. temperature | 22°C | 11°C |
| Min. temperature | 6°C | -5°C |
| Total precipitation | 46 mm | 97 mm |
| Rainy days | 6 days | 12 days |
Start of January
The month of January starts in Riverside with mild temps, averaging around 20°C during the day and nights around 8°C.
Mid January
By mid-January, daytime temps rise to around 21°C, with nights around 9°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of January
By the end of January, the average daytime temperature in Riverside is around 21°C, while nighttime temps are about 9°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Riverside for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in January in Riverside, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Riverside
Temperature in January in Riverside over the years
Precipitation charts
These charts show the average amount of precipitation in January in Riverside, California. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Riverside
Total precipitation in January in Riverside over the years
Daily UV index in January in Riverside
This chart shows the average daily UV index in January in Riverside, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in January in Riverside
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Average weather in Riverside by month
Click on a month below to see detailed weather info for Riverside. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.