Weather in Waltham in August
Waltham, United States averages a high of 27°C (80.6°F) and low of 17.9°C (64.2°F) in August, with 10 rain days and 10.6 hours of daily sunshine. Travel score: 83.8/100 (Excellent). The best time to visit Waltham is August.
High
27°C81°F
Low
18°C64°F
🌧️
10
rain days
☀️
10.6
hrs/day sunshine
💧
73%
humidity
84— Excellent
August in Waltham is warm and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Waltham?
How much does it rain in Waltham in August?
Waltham receives an average of 86.3mm of rainfall across 10 rainy days in August. The annual total is 1082.8mm.
What should I pack for Waltham in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 27°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (10 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to United States in August?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
Compare Waltham
Popular comparisons:
How can I plan my trip to Waltham?
What other cities are near Waltham?
What are other popular cities in United States?
What is the weather like in other months in Waltham?
Data based on 1994–2024 averages · Last updated: 2024-12-31