Saguaro National Park weather in August
August in Saguaro National Park: hot, a little rain, with clean air — a good time to visit.
#10 of 12 months in Saguaro National Park · #437 of 604 destinations to visit in August · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Saguaro National Park climate normals — August
| Daytime high | 32°C / 90°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 69°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 59 mm / 2.3 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 52% | 🍃 comfortable |
| Dew point | 13°C / 56°F | |
| Sunshine | 11.8 h/day | |
| Daylight | 13.3 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Saguaro National Park?
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Saguaro National Park in August — FAQ
- Is August a good time to visit Saguaro National Park?
- August in Saguaro National Park: hot, a little rain, with clean air — a good time to visit. It ranks #10 of 12 months for Saguaro National Park on SeasonMap's comfort score (68/100).
- What is the weather like in Saguaro National Park in August?
- In August, Saguaro National Park averages a daily high of 32.1°C and a low of 20.6°C, with about 59 mm of rain over roughly 12.8 rainy days.
- What is the air quality in Saguaro National Park in August?
- Saguaro National Park has a mean US Air Quality Index of about 40 in August.