Weather in Waltham in July
Waltham, United States averages a high of 28°C (82.4°F) and low of 18.6°C (65.5°F) in July, with 11 rain days and 11.4 hours of daily sunshine. Travel score: 83/100 (Excellent). The best time to visit Waltham is August.
High
28°C82°F
Low
19°C65°F
🌧️
11
rain days
☀️
11.4
hrs/day sunshine
💧
72%
humidity
83— Excellent
July in Waltham is hot and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Waltham?
How much does it rain in Waltham in July?
Waltham receives an average of 86.1mm of rainfall across 11 rainy days in July. The annual total is 1082.8mm.
What should I pack for Waltham in July?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧴
Sunscreen SPF 30+
11 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
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