Theodore Roosevelt National Park weather in May
May in Theodore Roosevelt National Park: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Theodore Roosevelt National Park · #85 of 604 destinations to visit in May · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Theodore Roosevelt National Park climate normals — May
| Daytime high | 19°C / 66°F | 😎 nice |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 80 mm / 3.1 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 62% | 💧 humid |
| Dew point | 6°C / 42°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 15.1 h | |
| Wind | 25 km/h / 16 mph | |
| Snowfall | 3 cm / 1.2 in | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Theodore Roosevelt National Park?
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Theodore Roosevelt National Park in May — FAQ
- Is May a good time to visit Theodore Roosevelt National Park?
- May in Theodore Roosevelt National Park: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Theodore Roosevelt National Park on SeasonMap's comfort score (90/100).
- What is the weather like in Theodore Roosevelt National Park in May?
- In May, Theodore Roosevelt National Park averages a daily high of 19.1°C and a low of 6.8°C, with about 79.5 mm of rain over roughly 10.4 rainy days.
- What is the air quality in Theodore Roosevelt National Park in May?
- Theodore Roosevelt National Park has a mean US Air Quality Index of about 46 in May.
- Does it snow in Theodore Roosevelt National Park in May?
- Theodore Roosevelt National Park sees roughly 3 cm of snowfall in May.