Great Basin National Park weather in May
May in Great Basin National Park: cold, a little rain — a great time to visit.
#6 of 12 months in Great Basin National Park · #374 of 604 destinations to visit in May · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Great Basin National Park climate normals — May
| Daytime high | 11°C / 52°F | 🧥 cold |
|---|---|---|
| Nighttime low | -1°C / 31°F | |
| Feels like (high) | 8°C / 46°F | |
| Rainfall | 47 mm / 1.9 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 39% | 🌵 dry |
| Dew point | -10°C / 15°F | |
| Sunshine | 12.6 h/day | |
| Daylight | 14.3 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 5.8 cm / 2.3 in | |
| Air quality (US AQI) | 59 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Great Basin National Park?
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Great Basin National Park in May — FAQ
- Is May a good time to visit Great Basin National Park?
- May in Great Basin National Park: cold, a little rain — a great time to visit. It ranks #6 of 12 months for Great Basin National Park on SeasonMap's comfort score (78/100).
- What is the weather like in Great Basin National Park in May?
- In May, Great Basin National Park averages a daily high of 11.2°C and a low of -0.8°C, with about 47 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Great Basin National Park in May?
- Great Basin National Park has a mean US Air Quality Index of about 59 in May.
- Does it snow in Great Basin National Park in May?
- Great Basin National Park sees roughly 5.8 cm of snowfall in May.