Dundalk Weather Year-Round — Best Time to Visit
Dundalk, United States has mild weather year-round. The best time to visit is September (score: 82/100). Annual average high: 17.3°C, total rainfall: 1214mm.
When is the best time to visit Dundalk?
82
September is the best month to visit Dundalk with a travel score of 82/100 (Excellent).
Expect highs of 24.8°C, 9 rain days, and 9.3 hours of daily sunshine.
View September weather details →Travel Score by Month
51
Jan
54
Feb
61
Mar
71
Apr
78
May
81
Jun
81
Jul
82
Aug
82
Sep
74
Oct
64
Nov
53
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Dundalk each month?
17.3°C
Avg High
9.7°C
Avg Low
1214mm
Annual Rain
How much rain does Dundalk get?
Dundalk receives 1214mm of rain annually. The wettest month is typically September with 122mm, while February is the driest.
What is the weather like each month in Dundalk?
January
51
5°C
Low: -2°C
9 rain days
Mixed
February
54
6°C
Low: -2°C
9 rain days
Mixed
March
61
11°C
Low: 2°C
10 rain days
Good
April
71
17°C
Low: 8°C
10 rain days
Good
May
78
22°C
Low: 13°C
11 rain days
Good
June
81
27°C
Low: 19°C
11 rain days
Excellent
July
81
29°C
Low: 22°C
11 rain days
Excellent
August
82
28°C
Low: 21°C
11 rain days
Excellent
September
Best time to visit82
25°C
Low: 18°C
9 rain days
Excellent
October
74
19°C
Low: 11°C
8 rain days
Good
November
64
12°C
Low: 5°C
8 rain days
Good
December
53
7°C
Low: 1°C
9 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31