Weather in Phoenix in March
March in Phoenix is mild with average temperatures around 17.1°C (62.8°F). Light rainfall with only 21mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
25.0°C
77.0°F
Low
9.2°C
48.6°F
Precipitation
21 mm
0.8 inches
~3 rainy days
Conditions
Humidity
38%
Comparison to Adjacent Months
March is 3.7°C warmer than February.
March is 3.6°C cooler than April.