Washington
District of Columbia, USA
Long-term weather forecast
Long-term weather forecast
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July weather forecast and Climate
Washington, DC

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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
July is the hottest month of the year with the peak temperatures around 88°F (31.1°C). Brilliant sunshine lasts about 9.4 hours daily; avoid the scorching mid-day sun or take adequate protection with the sun's ultraviolet index shooting to a dangerous 9. Rain with thundershowers is frequent in the summer, but light enough to enjoy fun events like the Independence Day celebrations.
The bicycle-friendly tracks around the Potomac River are a fun way for tourists to explore Washington, D.C. in the summer.
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  • The average high temperature in July: 88.4°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).

  • The average low temperature in July: 71.1°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).

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  • The average humidity in July: 66.9%

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

  • The average rainfall in July: 3.7"

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

  • The average rainfall days in July: 10.3 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).

  • The average snowfall in July: 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").

  • The average snowfall days in July: 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).

  • The average daylight in July: 15h

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

  • The average sunshine in July: 9h

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

  • The average UV index in July: 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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