Ashburn Weather in May

Thinking of visiting Ashburn in May? Expect high temperatures reaching 24°C (75°F) during the day, dropping to 12°C (54°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Ashburn in May

Records from the past 30 years suggest around 13 days of rain, with 113 mm (4.4 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Ashburn in May

Expect highs of 24°C (75°F) in Ashburn in May, with nights dropping to around 12°C (54°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Ashburn in May

The days are predominantly sunny, with an estimated total of around 259 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Ashburn.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Ashburn's climate page.

Ashburn Temperature in May

Min Temperature 12°C (54°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 43%  

Precipitation 113 mm (4.4 in)  

Rainy days 13 days  

Humidity 64% *  

Sunshine 259 hours *  

Percentage Sunshine 59% *  

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

What to Wear in Ashburn in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Ashburn in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Ashburn's climate page.

More climate data for Ashburn

Temperature Rainfall Sunshine Humidity

See the full Ashburn climate overview or explore weather in the United States of America.