Redwood National Park weather in May
May in Redwood National Park: cool, rainy, with clean air — an excellent time to visit.
#6 of 12 months in Redwood National Park · #207 of 604 destinations to visit in May · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Redwood National Park climate normals — May
| Daytime high | 16°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 9°C / 47°F | |
| Feels like (high) | 15°C / 59°F | |
| Rainfall | 81 mm / 3.2 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 8°C / 47°F | |
| Sunshine | 11.7 h/day | |
| Daylight | 14.5 h | |
| Wind | 19 km/h / 12 mph | |
| Snowfall | 0.8 cm / 0.3 in | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Redwood National Park?
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Redwood National Park in May — FAQ
- Is May a good time to visit Redwood National Park?
- May in Redwood National Park: cool, rainy, with clean air — an excellent time to visit. It ranks #6 of 12 months for Redwood National Park on SeasonMap's comfort score (85/100).
- What is the weather like in Redwood National Park in May?
- In May, Redwood National Park averages a daily high of 15.7°C and a low of 8.5°C, with about 80.6 mm of rain over roughly 8.6 rainy days.
- What is the air quality in Redwood National Park in May?
- Redwood National Park has a mean US Air Quality Index of about 36 in May.