Average weather for Riverbank in December
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.
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. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
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.
In December, there is an average of 106 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the South.
Riverbank in December |
New York | ||
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15°C | 9°C | |
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17°C | 12°C | |
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12°C | -5°C | |
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106 mm | 133 mm | |
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8 days | 17 days |
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.
Is December a good time to visit Riverbank?
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.
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.
Check out the climate of Riverbank for all months and discover the best travel time
Daily Temperature in December in Riverbank
This chart shows the average daily high and low temperatures in December for Riverbank, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Riverbank
The chart below shows the average daily precipitation in December for Riverbank, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 8 days of precipitation in Riverbank.
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.
Temperature in December in Riverbank over the years
This chart shows the average temperature in December in Riverbank, measured in degrees Celsius, over the past few years.
Total precipitation in December in Riverbank over the years
This chart shows the average precipitation in December in Riverbank, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.































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.
Or check out the climate of Riverbank for all months at once