Weather in Rockville in August
Rockville, United States averages a high of 29.1°C (84.4°F) and low of 19.7°C (67.5°F) in August, with 11 rain days and 10.8 hours of daily sunshine. Travel score: 83/100 (Excellent). The best time to visit Rockville is September.
High
29°C84°F
Low
20°C67°F
🌧️
11
rain days
☀️
10.8
hrs/day sunshine
💧
71%
humidity
83— Excellent
August in Rockville is hot and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Rockville?
How much does it rain in Rockville in August?
Rockville receives an average of 100.4mm of rainfall across 11 rainy days in August. The annual total is 1108.6mm.
What should I pack for Rockville in August?
Essentials
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Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
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Sunscreen SPF 30+
11 hours of sunshine daily
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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 August?
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