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Ashburn Weather and Climate: A Comprehensive Guide

The climate in Ashburn 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 is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Ashburn, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 31°C in July to a chilly 6°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -5°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Ashburn experiences significant rain/snowfall throughout the year, averaging 1058 mm of precipitation annually. Ashburn offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between October (130 mm) and February (61 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Ashburn serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.4 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Washington DC, the United States of America (44 KM, 27 Miles).

Daily hours of sunshine

Data from: Washington DC, the United States of America (44 KM, 27 Miles).

Forecast for Ashburn

Fri   Dec 27
8°C | 0°C
SE 3 m/s
broken clouds and no rain

broken clouds and no rain

Sat   Dec 28
10°C | 4°C
S 3 m/s
19 mm
overcast and heavy rain

overcast and heavy rain

Sun   Dec 29
17°C | 10°C
SE 7 m/s
15 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Ashburn in the United States of America

During the months of May and October 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:
  • Which is the warmest month in Ashburn?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Ashburn?
    The coldest month is January with an average maximum temperature of 6°C.
  • Which is the wettest month in Ashburn?
    October tops the wettest month list with 130 mm of rainfall.
  • Which is the driest month in Ashburn?
    February is the driest month with 61 mm of precipitation.
  • Which is the sunniest month in Ashburn?
    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.