Boise weather in March
March in Boise: cold, a little rain, with clean air — a great time to visit.
#8 of 12 months in Boise · #320 of 604 destinations to visit in March · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Boise climate normals — March
| Daytime high | 12°C / 54°F | 🧥 cold |
|---|---|---|
| Nighttime low | 0°C / 32°F | |
| Feels like (high) | 8°C / 46°F | |
| Rainfall | 33 mm / 1.3 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 63% | 💧 humid |
| Dew point | -2°C / 28°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 11.9 h | |
| Wind | 20 km/h / 13 mph | |
| Snowfall | 3.2 cm / 1.3 in | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Boise in March — FAQ
- Is March a good time to visit Boise?
- March in Boise: cold, a little rain, with clean air — a great time to visit. It ranks #8 of 12 months for Boise on SeasonMap's comfort score (74/100).
- What is the weather like in Boise in March?
- In March, Boise averages a daily high of 12.2°C and a low of 0.1°C, with about 33.3 mm of rain over roughly 8 rainy days.
- What is the air quality in Boise in March?
- Boise has a mean US Air Quality Index of about 46 in March.
- Does it snow in Boise in March?
- Boise sees roughly 3.2 cm of snowfall in March.