Normal weather in South Reston in December
The weather in South Reston in December has an average temperature of around 10°C during the day. On average, December sees 89 mm of rain in South Reston. The total amount of snow in December is about 1,1 cm of snow. The wind speed is 5 Beaufort and mainly comes from Southwest.
After November, December in South Reston starts with a temperature of 10°C and ends around January at 10°C.
December averages for South Reston
![]() | 10°C |
![]() | 12°C |
![]() | 8°C |
![]() | 89 mm |
![]() | 14 days |
![]() | 1,1 cm |
![]() | 4 days |
Temperature per day in December in South Reston
This graph shows the average daily maximum temperatures in December in South Reston, indicated in degrees Celsius.
Precipitation per day in December in South Reston
This graph shows the average daily precipitation in December in South Reston, indicated in millimeters.
Snowfall per day in December in South Reston
This graph shows the average daily snowfall in December in South Reston, indicated in centimeters.
UV index per day in December in South Reston
This graph shows the average daily UV index in December in South Reston.
Yearly temperature in December in South Reston
This graph shows the average yearly temperature in December in South Reston, measured in degrees Celsius, over the past years.
Yearly total precipitation in December in South Reston
This graph shows the average yearly precipitation in millimeters in December in South Reston, over the past years.
Yearly snowfall in December in South Reston
This graph shows the average yearly snowfall in December in South Reston, measured in centimeters, over the past years.
Average daily weather in December
Click on a day to get more information about the average weather on that day.
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Average weather in South Reston per month
Click on a month below to see in detail how the weather typically is in South Reston and what to expect. Based on the historical weather data of South Reston, you can view the average temperature, precipitation, wind, and UV index for each day of the month.