Weather in Rockville in July

Rockville, United States averages a high of 30.2°C (86.4°F) and low of 20.4°C (68.7°F) in July, with 12 rain days and 11.7 hours of daily sunshine. Travel score: 82.3/100 (Excellent). The best time to visit Rockville is September.

High
30°C86°F
Low
20°C69°F
🌧️
12
rain days
☀️
11.7
hrs/day sunshine
💧
69%
humidity
82Excellent

July in Rockville is hot and occasionally wet — excellent conditions for exploring.

What are the average temperatures in Rockville?

JanFebMarAprMayJunJul30°20°AugSepOctNovDec

How much does it rain in Rockville in July?

Rockville receives an average of 115.8mm of rainfall across 12 rainy days in July. The annual total is 1108.6mm.

JanFebMarAprMayJunJul12dAugSepOctNovDec

What should I pack for Rockville in July?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 30°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun

🎉Visiting United States in July?

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