Reston Weather and Climate: A Comprehensive Guide
The climate in Reston is marked by big temperature swings throughout the year.
Temperatures range from very warm during the warmest months
to cold in the cooler months.
It also experiences much rain/snowfall throughout the year.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
In Reston, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 31°C in July. In January, the coolest month of the year, temperatures drop to a chilly 6°C.
At night, you can expect cooler temperatures, with averages dropping to around -4°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Reston experiences significant rain/snowfall throughout the year, averaging 1118 mm of precipitation annually. Reston experiences moderate seasonal variation in rainfall, with monthly averages ranging from 133 mm in October, the wettest month, and 63 mm in February, the driest month.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Reston can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 9.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Reston.
The city experiences its highest humidity in August, reaching 69%. In March, the humidity drops to its lowest level at 58%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain overcast and heavy rain broken clouds and rainForecast for Reston
3 m/s
3 m/s
8 m/s
The best time of year to visit Reston in the United States of America
During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
July has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 6°C.
October tops the wettest month list with 133 mm of rainfall.
February is the driest month with 63 mm of precipitation.
June is the sunniest month with an average of 282 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
