Phoenix Weather in March
United States · Hot Desert climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
March in Phoenix sees average temperatures ranging from a low of 9.5°C (49.1°F) to a high of 23.2°C (73.8°F), with a mean of 16.5°C (61.7°F). Compared to the annual average of 23.8°C (74.8°F), this month is 7.3°C cooler than the yearly norm. Precipitation averages 45.5mm, making it approximately 21.0mm wetter than the monthly average of 24.0mm. The city receives an average of 10.3 hours of sunshine per day during March, with relative humidity averaging 42.8%. Wind speeds reach an average maximum of 19.3 km/h. For travelers, this month offers a temperature experience in Phoenix, with wetter-than-average conditions compared to the rest of the year.
Phoenix's hot desert climate is one of the most extreme in the United States. I've studied the summer data and found that temperatures regularly exceed 40°C from June to August. The best time for visiting is November to March, when daytime temperatures are pleasant and the city's outdoor attractions are accessible. The winter months are mild and sunny, making Phoenix a popular winter destination.
March vs Adjacent Months
| Metric | February | March | April |
|---|---|---|---|
| Mean Temp | 13.4°C (56.1°F) | 16.5°C (61.7°F) | 23.4°C (74.1°F) |
| Rainfall | 27.3mm | 45.5mm | 1.6mm |
| Sunshine | 9.8 hrs | 10.3 hrs | 12.5 hrs |
| Humidity | 44.5% | 42.8% | 21.4% |
| Wind | 17.9 km/h | 19.3 km/h | 20.3 km/h |
| Rainy Days | 3.8 | 7.4 | 0.8 |
| Snowfall | 0.1 cm | 0.0 cm | 0.0 cm |
Seasonal Context
March falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Phoenix in March, the data indicates favorable conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Phoenix in March?
The average temperature in Phoenix during March ranges from 9.5°C (49.1°F) to 23.2°C (73.8°F), with a mean of 16.5°C (61.7°F).
How much does it rain in Phoenix in March?
Phoenix receives an average of 45.5mm of precipitation in March, spread across approximately 7.4 rainy days.
What should I pack for Phoenix in March?
Based on March weather data, pack layers including light jackets and t-shirts, plus an umbrella.
Is March a good time to visit Phoenix?
March is a good time to visit Phoenix, with comfortable temperatures and manageable rainfall.
Other Months for Phoenix
Cities with Similar March Climate (Hot Desert)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 33.45°, -112.07°. Timezone: America/Phoenix. Last updated: 2026-07-30.