Harlingen Weather Year-Round — Best Time to Visit
Harlingen, United States has hot weather year-round. The best time to visit is April (score: 85/100). Annual average high: 28.7°C, total rainfall: 637mm.
When is the best time to visit Harlingen?
85
April is the best month to visit Harlingen with a travel score of 85/100 (Excellent).
Expect highs of 29.2°C, 6 rain days, and 10.3 hours of daily sunshine.
View April weather details →Travel Score by Month
78
Jan
81
Feb
83
Mar
85
Apr
85
May
79
Jun
77
Jul
76
Aug
77
Sep
84
Oct
82
Nov
79
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Harlingen each month?
28.7°C
Avg High
20.2°C
Avg Low
637mm
Annual Rain
How much rain does Harlingen get?
Harlingen receives 637mm of rain annually. The wettest month is typically September with 105mm, while February is the driest.
What is the weather like each month in Harlingen?
January
78
22°C
Low: 13°C
5 rain days
Good
February
81
24°C
Low: 14°C
5 rain days
Excellent
March
83
26°C
Low: 17°C
6 rain days
Excellent
April
Best time to visit85
29°C
Low: 20°C
6 rain days
Excellent
May
85
32°C
Low: 23°C
6 rain days
Excellent
June
79
34°C
Low: 25°C
8 rain days
Good
July
77
34°C
Low: 26°C
8 rain days
Good
August
76
35°C
Low: 26°C
9 rain days
Good
September
77
32°C
Low: 24°C
14 rain days
Good
October
84
29°C
Low: 21°C
8 rain days
Excellent
November
82
26°C
Low: 17°C
7 rain days
Excellent
December
79
23°C
Low: 14°C
5 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31