When to go
The Best Time to Visit Washington, D.C.
Month-by-month climate data for Washington, D.C., United States — daily highs and lows, rain days, and an honest verdict for every month of the year.
March–May, September–October. Cherry blossoms in late March/early April; September brings cool sunny days without summer humidity.
Warmest in Washington, D.C.: Jul (32°C / 90°F) · Coolest: Jan (7°C / 45°F) · Wettest: Aug (~16 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Washington, D.C. climate, month by month
January
7° / -1°C
~9 rain days
Fair
February
10° / 0°C
~11 rain days
Fair
March
14° / 4°C
~10 rain days
Good
April
19° / 8°C
~12 rain days
Excellent
May
23° / 12°C
~11 rain days
Excellent
June
29° / 18°C
~12 rain days
Good
July
32° / 21°C
~15 rain days
Fair
August
30° / 20°C
~16 rain days
Good
September
26° / 16°C
~11 rain days
Excellent
October
20° / 11°C
~8 rain days
Excellent
November
14° / 5°C
~8 rain days
Good
December
9° / 1°C
~9 rain days
Fair
Plan around it
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