Washington
District of Columbia, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Washington, DC

Stunning reflective view of rows of jacaranda trees in spring in the tidal basin of the Washington monument in DC, USA
Stunning reflective view of rows of jacaranda trees in spring in the tidal basin of the Washington monument in DC, USA
Summer starts in June in Washington, and it is hot and humid. It is an excellent time for paddle boating or kayaking on the Potomac River and admiring the various memorials while moving through the water.
Daily average temperatures rise to a warm 84°F (28.9°C), and numerous outdoor activities beckon the tourists. Heat is not an issue in air-conditioned places like the Smithsonian Air and Space Museum or the Library of Congress. Hop into a restaurant for well-made food, drink, and a break from the sweltering heat.
  • Average high temperature in June: 84.2°F

The warmest month (with the highest average high temperature) is July (88.4°F).
The month with the lowest average high temperature is January (43.4°F).

  • Average low temperature in June: 66.3°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

  • Average humidity in June: 65.8%

The month with the highest relative humidity is September (69.7%).
The month with the lowest relative humidity is April (58%).

  • Average rainfall in June: 3.8"

The wettest month (with the highest rainfall) is May (4").
The driest month (with the lowest rainfall) is February (2.6").

  • Average rainfall days in June: 10.7 days

The month with the highest number of rainy days is May (11.1 days).
The month with the lowest number of rainy days is October (7.7 days).

  • Average snowfall in June: 0"

The month with the highest snowfall is February (5.7").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (3 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

  • Average daylight in June: 15h

Months with the longest days are June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in June: 9.4h

The month with most sunshine is June (Average sunshine: 9.4h).
The month with least sunshine is December (Average sunshine: 4.3h).

  • Average UV index in June: 9

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 2).

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