Plano Weather Year-Round — Best Time to Visit
Plano, United States has warm weather year-round. The best time to visit is September (score: 91/100). Annual average high: 23.7°C, total rainfall: 1074mm.
When is the best time to visit Plano?
91
September is the best month to visit Plano with a travel score of 91/100 (Excellent).
Expect highs of 30.4°C, 6 rain days, and 10.4 hours of daily sunshine.
View September weather details →Travel Score by Month
65
Jan
66
Feb
72
Mar
81
Apr
80
May
86
Jun
87
Jul
88
Aug
91
Sep
86
Oct
74
Nov
65
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Plano each month?
23.7°C
Avg High
14.3°C
Avg Low
1074mm
Annual Rain
How much rain does Plano get?
Plano receives 1074mm of rain annually. The wettest month is typically May with 148mm, while July is the driest.
What is the weather like each month in Plano?
January
65
13°C
Low: 3°C
6 rain days
Good
February
66
15°C
Low: 5°C
7 rain days
Good
March
72
19°C
Low: 9°C
9 rain days
Good
April
81
24°C
Low: 13°C
8 rain days
Excellent
May
80
27°C
Low: 18°C
11 rain days
Excellent
June
86
32°C
Low: 23°C
8 rain days
Excellent
July
87
34°C
Low: 25°C
6 rain days
Excellent
August
88
34°C
Low: 25°C
6 rain days
Excellent
September
Best time to visit91
30°C
Low: 21°C
6 rain days
Excellent
October
86
25°C
Low: 15°C
7 rain days
Excellent
November
74
19°C
Low: 9°C
7 rain days
Good
December
65
14°C
Low: 5°C
7 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31