Phoenix weather in March
March in Phoenix: warm, a little rain — one of the best months to visit.
#1 of 12 months in Phoenix · #28 of 897 destinations to visit in March · comfort 94/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Phoenix in March
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Phoenix climate normals — March
| Daytime high | 25°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 10°C / 49°F | |
| Rainfall | 36 mm / 1.4 in | 🌦 some rain |
| Rainy days | 4 days | |
| Humidity | 36% | 🌵 dry |
| Dew point | -1°C / 29°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 12 h | |
| Wind | 17 km/h / 10 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Phoenix in March — FAQ
- Is March a good time to visit Phoenix?
- March in Phoenix: warm, a little rain — one of the best months to visit. It ranks #1 of 12 months for Phoenix on SeasonMap's comfort score (94/100).
- What is the weather like in Phoenix in March?
- In March, Phoenix averages a daily high of 24.5°C and a low of 9.5°C, with about 36.4 mm of rain over roughly 3.8 rainy days.
- What is the air quality in Phoenix in March?
- Phoenix has a mean US Air Quality Index of about 52 in March.