Weather in Gaithersburg in July
Gaithersburg, United States averages a high of 30.1°C (86.2°F) and low of 20.2°C (68.4°F) in July, with 11 rain days and 11.8 hours of daily sunshine. Travel score: 82.8/100 (Excellent). The best time to visit Gaithersburg is September.
High
30°C86°F
Low
20°C68°F
🌧️
11
rain days
☀️
11.8
hrs/day sunshine
💧
69%
humidity
83— Excellent
July in Gaithersburg is hot and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Gaithersburg?
How much does it rain in Gaithersburg in July?
Gaithersburg receives an average of 111.2mm of rainfall across 11 rainy days in July. The annual total is 1105.9mm.
What should I pack for Gaithersburg 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
Traveling to United States in July?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31