Pinnacles National Park weather in May
May in Pinnacles National Park: nice, dry, with clean air — one of the best months to visit.
#2 of 12 months in Pinnacles National Park · #8 of 604 destinations to visit in May · comfort 95/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Pinnacles National Park climate normals — May
| Daytime high | 23°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 48°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 17 mm / 0.7 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 61% | 💧 humid |
| Dew point | 6°C / 42°F | |
| Sunshine | 12.8 h/day | |
| Daylight | 14.1 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Pinnacles National Park?
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Pinnacles National Park in May — FAQ
- Is May a good time to visit Pinnacles National Park?
- May in Pinnacles National Park: nice, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Pinnacles National Park on SeasonMap's comfort score (95/100).
- What is the weather like in Pinnacles National Park in May?
- In May, Pinnacles National Park averages a daily high of 23.1°C and a low of 9°C, with about 17.4 mm of rain over roughly 3.2 rainy days.
- What is the air quality in Pinnacles National Park in May?
- Pinnacles National Park has a mean US Air Quality Index of about 41 in May.