Typical Weather in Phoenix, AZ in August
104° F Avg High
82° F Avg Low
2 Rainy Days
☀️ Temperature Summary
August is a popular time to visit, with an inviting climate featuring warm temperatures. August is one of the warmer months of the year for Phoenix, with highs averaging around 104°F. Overnight lows will be around 82°F on average. Daily high temperatures can range between 106°F and 102°F, and typically fall throughout the month.
Be ready to seek shade during the day, as mid-day temperatures can be dangerous if you're caught without a way to cool off.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 7% chance of rain for any given day in August. It's one of the rainier months of the year for Phoenix, with total rainfall for the month around 1 inches.
Rainfall Throughout the Year
Planning a trip to Phoenix? Try our free trip weather planner