Joshua Tree National Park weather in May
May in Joshua Tree National Park: warm, dry — a great time to visit.
#8 of 12 months in Joshua Tree National Park · #435 of 604 destinations to visit in May · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Joshua Tree National Park climate normals — May
| Daytime high | 31°C / 87°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 1 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 29% | 🌵 dry |
| Dew point | 2°C / 35°F | |
| Sunshine | 12.9 h/day | |
| Daylight | 13.9 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.
Where is Joshua Tree National Park?
Loading map…
Joshua Tree National Park in May — FAQ
- Is May a good time to visit Joshua Tree National Park?
- May in Joshua Tree National Park: warm, dry — a great time to visit. It ranks #8 of 12 months for Joshua Tree National Park on SeasonMap's comfort score (73/100).
- What is the weather like in Joshua Tree National Park in May?
- In May, Joshua Tree National Park averages a daily high of 30.6°C and a low of 16.2°C, with about 0.8 mm of rain over roughly 0.4 rainy days.
- What is the air quality in Joshua Tree National Park in May?
- Joshua Tree National Park has a mean US Air Quality Index of about 70 in May.