Joshua Tree National Park weather in July
July in Joshua Tree National Park: sweltering, dry — one of the weakest months to visit.
#12 of 12 months in Joshua Tree National Park · #587 of 604 destinations to visit in July · comfort 33/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Joshua Tree National Park climate normals — July
| Daytime high | 39°C / 102°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 4 mm / 0.1 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 24% | 🌵 dry |
| Dew point | 8°C / 46°F | |
| Sunshine | 13 h/day | |
| Daylight | 14.1 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 70 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Joshua Tree National Park in July — FAQ
- Is July a good time to visit Joshua Tree National Park?
- July in Joshua Tree National Park: sweltering, dry — one of the weakest months to visit. It ranks #12 of 12 months for Joshua Tree National Park on SeasonMap's comfort score (33/100).
- What is the weather like in Joshua Tree National Park in July?
- In July, Joshua Tree National Park averages a daily high of 38.9°C and a low of 25.4°C, with about 3.8 mm of rain over roughly 0.8 rainy days.
- What is the air quality in Joshua Tree National Park in July?
- Joshua Tree National Park has a mean US Air Quality Index of about 70 in July.