Round Rock Weather Year-Round — Best Time to Visit
Round Rock, United States has warm weather year-round. The best time to visit is September (score: 89/100). Annual average high: 25.5°C, total rainfall: 904mm.
When is the best time to visit Round Rock?
89
September is the best month to visit Round Rock with a travel score of 89/100 (Excellent).
Expect highs of 31.3°C, 7 rain days, and 10.3 hours of daily sunshine.
View September weather details →Travel Score by Month
70
Jan
70
Feb
74
Mar
84
Apr
81
May
86
Jun
87
Jul
87
Aug
89
Sep
86
Oct
76
Nov
69
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Round Rock each month?
25.5°C
Avg High
15.5°C
Avg Low
904mm
Annual Rain
How much rain does Round Rock get?
Round Rock receives 904mm of rain annually. The wettest month is typically May with 126mm, while July is the driest.
What is the weather like each month in Round Rock?
January
70
16°C
Low: 6°C
6 rain days
Good
February
70
18°C
Low: 7°C
7 rain days
Good
March
74
22°C
Low: 11°C
9 rain days
Good
April
84
26°C
Low: 15°C
8 rain days
Excellent
May
81
29°C
Low: 19°C
11 rain days
Excellent
June
86
33°C
Low: 23°C
8 rain days
Excellent
July
87
35°C
Low: 24°C
6 rain days
Excellent
August
87
35°C
Low: 25°C
6 rain days
Excellent
September
Best time to visit89
31°C
Low: 22°C
7 rain days
Excellent
October
86
27°C
Low: 17°C
7 rain days
Excellent
November
76
21°C
Low: 11°C
7 rain days
Good
December
69
17°C
Low: 7°C
7 rain days
Good
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What cities are near Round Rock?
Data based on 1994–2024 averages · Last updated: 2024-12-31