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

June weather forecast and Climate
Washington, DC

Summer starts in June in Washington, D.C., and it is hot and humid. It is an excellent time for paddle boating or kayaking in 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: 29°C

Warmest month (with highest average high temperature) is July (31.3°C).
Month with lowest average high temperature is January (6.3°C).

  • Average low temperature in June: 19.1°C

Month with highest average low temperature is July (21.7°C).
Coldest month (with lowest average low temperature) is January (-1.9°C).

  • Average humidity in June: 65.8%

Month with highest relative humidity is September (69.7%).
Month with lowest relative humidity is April (58%).

  • Average rainfall in June: 96mm

Wettest month (with highest rainfall) is May (101.3mm).
Driest month (with lowest rainfall) is February (66.5mm).

  • Average rainfall days in June: 10.7 days

Month with highest number of rainy days is May (11.1 days).
Month with lowest number of rainy days is October (7.7 days).

  • Average snowfall in June: 0mm

Month with highest snowfall is February (144.8mm).
Months with lowest snowfall are April, May, June, July, August, September and October (0mm).

  • Average snowfall days in June: 0 days

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

  • Average daylight in June: 15h

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

  • Average sunshine in June: 9.4h

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

  • Average UV index in June: 9

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

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