The temperatures in Ashburn in May are comfortable with low of 15°C and and high up to 25°C.
You can expect rain for roughly half of the month of May in Ashburn. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Ashburn in May 2025.
If you’re planning to visit Ashburn in the near future, we highly recommend that you review the 14 day weather forecast for Ashburn before you arrive.
Temperatures
25° / 15°
Rainy Days
10
Snowy Days
0
Dry Days
21
Rainfall
204
mm
Sun Hours
9.7
Hrs
