Bethesda Weather Year-Round — Best Time to Visit
Bethesda, United States has mild weather year-round. The best time to visit is September (score: 84/100). Annual average high: 18.3°C, total rainfall: 1115mm.
When is the best time to visit Bethesda?
84
September is the best month to visit Bethesda with a travel score of 84/100 (Excellent).
Expect highs of 25.5°C, 9 rain days, and 9.2 hours of daily sunshine.
View September weather details →Travel Score by Month
53
Jan
57
Feb
64
Mar
74
Apr
80
May
83
Jun
82
Jul
83
Aug
84
Sep
76
Oct
66
Nov
56
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Bethesda each month?
18.3°C
Avg High
9°C
Avg Low
1115mm
Annual Rain
How much rain does Bethesda get?
Bethesda receives 1115mm of rain annually. The wettest month is typically July with 117mm, while November is the driest.
What is the weather like each month in Bethesda?
January
53
5°C
Low: -2°C
9 rain days
Mixed
February
57
7°C
Low: -2°C
8 rain days
Mixed
March
64
12°C
Low: 2°C
9 rain days
Good
April
74
18°C
Low: 8°C
10 rain days
Good
May
80
23°C
Low: 13°C
11 rain days
Excellent
June
83
28°C
Low: 18°C
11 rain days
Excellent
July
82
31°C
Low: 21°C
12 rain days
Excellent
August
83
29°C
Low: 20°C
11 rain days
Excellent
September
Best time to visit84
26°C
Low: 17°C
9 rain days
Excellent
October
76
19°C
Low: 10°C
7 rain days
Good
November
66
13°C
Low: 4°C
7 rain days
Good
December
56
8°C
Low: 0°C
8 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31