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Washington in May
The weather in May
In May, Washington averages daytime highs of 76° and night-time lows of 55° — warm weather by day. Expect around 4.3 in of precipitation spread over about 13 wet days, with average cloud cover near 36%.
Days are 4.6° warmer than in April on average, and June is warmer again by about 4.7°.
May scores 66/100 — good conditions for sightseeing — and ranks 4th of the twelve months for Washington. For the most comfortable weather, consider April, September and October instead.
Around the middle of the month the sun rises at 05:56 and sets at 20:14 local time, giving 14 h 18 min of daylight. Days lengthen by 51 minutes over the month.
Why 66/100?
How the score for May is builtComfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Washington this month
United States's best in May
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Washington in May: quick answers
Is May a good time to visit Washington?
May scores 66/100 for Washington, which we rate as good. Average highs are 76°F with 13 wet days.
How warm is Washington in May?
Daytime highs average 76°F and night-time lows 55°F in May.
Does it rain a lot in Washington in May?
Washington receives about 4.3 in of precipitation in May, falling on around 13 days.