Waterbury Weather Year-Round — Best Time to Visit
Waterbury, United States has mild weather year-round. The best time to visit is August (score: 83/100). Annual average high: 15.4°C, total rainfall: 1167mm.
When is the best time to visit Waterbury?
83
August is the best month to visit Waterbury with a travel score of 83/100 (Excellent).
Expect highs of 27.2°C, 10 rain days, and 10.8 hours of daily sunshine.
View August weather details →Travel Score by Month
46
Jan
52
Feb
58
Mar
67
Apr
74
May
82
Jun
82
Jul
83
Aug
81
Sep
69
Oct
60
Nov
49
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Waterbury each month?
15.4°C
Avg High
6.5°C
Avg Low
1167mm
Annual Rain
How much rain does Waterbury get?
Waterbury receives 1167mm of rain annually. The wettest month is typically October with 108mm, while February is the driest.
What is the weather like each month in Waterbury?
January
46
2°C
Low: -6°C
9 rain days
Mixed
February
52
4°C
Low: -5°C
8 rain days
Mixed
March
58
8°C
Low: -1°C
10 rain days
Mixed
April
67
15°C
Low: 4°C
11 rain days
Good
May
74
20°C
Low: 10°C
11 rain days
Good
June
82
25°C
Low: 16°C
11 rain days
Excellent
July
82
28°C
Low: 19°C
11 rain days
Excellent
August
Best time to visit83
27°C
Low: 18°C
10 rain days
Excellent
September
81
23°C
Low: 15°C
8 rain days
Excellent
October
69
17°C
Low: 9°C
9 rain days
Good
November
60
10°C
Low: 3°C
8 rain days
Mixed
December
49
5°C
Low: -2°C
10 rain days
Mixed
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What cities are near Waterbury?
Data based on 1994–2024 averages · Last updated: 2024-12-31