Weather in Casper in August

Casper, United States averages a high of 29.7°C (85.5°F) and low of 15.2°C (59.4°F) in August, with 3 rain days and 12.9 hours of daily sunshine. Travel score: 93.9/100 (Excellent). The best time to visit Casper is August.

High
30°C85°F
Low
15°C59°F
🌧️
3
rain days
☀️
12.9
hrs/day sunshine
💧
38%
humidity
94Excellent

August in Casper is hot and mostly dry — ideal for sightseeing and outdoor activities.

What are the average temperatures in Casper?

JanFebMarAprMayJunJulAug30°15°SepOctNovDec

How much does it rain in Casper in August?

Casper receives an average of 13.5mm of rainfall across 3 rainy days in August. The annual total is 373.7mm.

JanFebMarAprMayJunJulAug3dSepOctNovDec

What should I pack for Casper in August?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun

Recommended

🧥
Evening jacket or cardigan
Temperature drops 15°C from day to night

Traveling to United States in August?

Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.

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What is the weather like in other months in Casper?

Data based on 1994–2024 averages · Last updated: 2024-12-31