Grand Canyon National Park weather in March
March in Grand Canyon National Park: cool, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Grand Canyon National Park · #122 of 604 destinations to visit in March · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Grand Canyon National Park climate normals — March
| Daytime high | 17°C / 62°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 41°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 61 mm / 2.4 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 57% | 🍃 comfortable |
| Dew point | 0°C / 31°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 12 h | |
| Wind | 17 km/h / 11 mph | |
| Snowfall | 16.2 cm / 6.4 in | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Grand Canyon National Park in March — FAQ
- Is March a good time to visit Grand Canyon National Park?
- March in Grand Canyon National Park: cool, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Grand Canyon National Park on SeasonMap's comfort score (85/100).
- What is the weather like in Grand Canyon National Park in March?
- In March, Grand Canyon National Park averages a daily high of 16.7°C and a low of 5.1°C, with about 61.4 mm of rain over roughly 9.2 rainy days.
- What is the air quality in Grand Canyon National Park in March?
- Grand Canyon National Park has a mean US Air Quality Index of about 44 in March.
- Does it snow in Grand Canyon National Park in March?
- Grand Canyon National Park sees roughly 16.2 cm of snowfall in March.