Downtown DC Weather Year-Round — Best Time to Visit
Downtown DC, United States has mild weather year-round. The best time to visit is September (score: 84/100). Annual average high: 18.9°C, total rainfall: 1111mm.
When is the best time to visit Downtown DC?
84
September is the best month to visit Downtown DC with a travel score of 84/100 (Excellent).
Expect highs of 26°C, 9 rain days, and 9.2 hours of daily sunshine.
View September weather details →Travel Score by Month
54
Jan
58
Feb
65
Mar
74
Apr
81
May
83
Jun
82
Jul
83
Aug
84
Sep
76
Oct
67
Nov
56
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Downtown DC each month?
18.9°C
Avg High
9.3°C
Avg Low
1111mm
Annual Rain
How much rain does Downtown DC get?
Downtown DC receives 1111mm of rain annually. The wettest month is typically July with 116mm, while February is the driest.
What is the weather like each month in Downtown DC?
January
54
6°C
Low: -2°C
8 rain days
Mixed
February
58
8°C
Low: -1°C
8 rain days
Mixed
March
65
13°C
Low: 2°C
9 rain days
Good
April
74
19°C
Low: 8°C
10 rain days
Good
May
81
24°C
Low: 13°C
11 rain days
Excellent
June
83
29°C
Low: 18°C
11 rain days
Excellent
July
82
31°C
Low: 21°C
12 rain days
Excellent
August
83
30°C
Low: 21°C
11 rain days
Excellent
September
Best time to visit84
26°C
Low: 17°C
9 rain days
Excellent
October
76
20°C
Low: 11°C
8 rain days
Good
November
67
13°C
Low: 5°C
7 rain days
Good
December
56
8°C
Low: 0°C
8 rain days
Mixed
Compare Downtown DC
Popular comparisons:
Planning a Trip to United States?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
What cities are near Downtown DC?
Data based on 1994–2024 averages · Last updated: 2024-12-31