Herndon Weather in June

June in Herndon sees daytime temperatures around 28°C (82°F) and lows of 17°C (63°F) at night. With around 123 mm (4.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Herndon in June

You can expect rain on around 14 days based on historical patterns, with 123 mm (4.8 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Herndon in June

Daytime temperatures in Herndon reach 28°C (82°F) in June, dropping to 17°C (63°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 17°C (63°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 Herndon in June

Expect sunny days throughout the month, with an estimated 282 hours of sunshine. This makes it a pleasant time to visit Herndon.

If you're inclined towards comfortable temperatures and drier conditions, June is a good time to visit Herndon.

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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 Herndon's climate page.

Herndon Temperature in June

Min Temperature 17°C (63°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 45%  

Precipitation 123 mm (4.8 in)  

Rainy days 14 days  

Humidity 65% *  

Sunshine 282 hours *  

Percentage Sunshine 64% *  

* Data from: Washington DC, the United States of America (33 KM, 20 Miles).

What to Wear in Herndon in June

Warm but pleasant conditions in Herndon in June. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Herndon in June

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 Herndon's climate page.

More climate data for Herndon

Temperature Rainfall Sunshine Humidity

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