United StatesThe weather in December in Riverbank
It's cool to moderate in December in Riverbank with an average temperature of 15°C. Temperatures this month range from a low of 12°C to a high of 17°C. At night, you can expect temperatures between 2°C and 9°C.
Looking for sun and warm weather? December isn’t a good month to be in Riverbank. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Riverbank, 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 23°C in 2021, Riverbank reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 4°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 16°C.
Rainfall amount
In December, there is an average of 106 mm of precipitation, spread over 13 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in December for Riverbank
Click on any day in December to get detailed info about the usual weather on that day in Riverbank. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Riverbank | New York | |
|---|---|---|
| Average temperature | 15°C | 9°C |
| Max. temperature | 17°C | 12°C |
| Min. temperature | 2°C | -5°C |
| Total precipitation | 106 mm | 133 mm |
| Rainy days | 13 days | 17 days |
Start of December
The month of December starts in Riverbank with cool temps, averaging around 17°C during the day and nights around 7°C.
Mid December
By mid-December, daytime temps drop to around 14°C, with nights around 6°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of December
By the end of December, the average daytime temperature in Riverbank is around 14°C, while nighttime temps are about 4°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Riverbank for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Riverbank, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Riverbank
Temperature in December in Riverbank over the years
Precipitation charts
These charts show the average amount of precipitation in December in Riverbank, 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 December in Riverbank
Total precipitation in December in Riverbank over the years
Daily UV index in December in Riverbank
This chart shows the average daily UV index in December in Riverbank, 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 December in Riverbank
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Average weather in Riverbank by month
Click on a month below to see detailed weather info for Riverbank. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.