Weather in Round Rock in May
Round Rock, United States averages a high of 29.1°C (84.4°F) and low of 19.3°C (66.7°F) in May, with 11 rain days and 9.9 hours of daily sunshine. Travel score: 81.2/100 (Excellent). The best time to visit Round Rock is September.
High
29°C84°F
Low
19°C67°F
🌧️
11
rain days
☀️
9.9
hrs/day sunshine
💧
72%
humidity
81— Excellent
May in Round Rock is hot and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Round Rock?
How much does it rain in Round Rock in May?
Round Rock receives an average of 125.6mm of rainfall across 11 rainy days in May. The annual total is 903.9mm.
What should I pack for Round Rock in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
🎉Visiting United States in May?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31