Phoenix
Arizona, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Phoenix, AZ

The city of Phoenix, Arizona, at dusk
The city of Phoenix, Arizona, at dusk
The first month of the spring, March, is a moderately hot month in Phoenix, Arizona, with average temperature varying between 55.9°F (13.3°C) and 76.1°F (24.5°C).

Temperature

In Phoenix, the average high-temperature in March slightly increases, from an enjoyable 67.6°F (19.8°C) in February, to a moderately hot 76.1°F (24.5°C). In Phoenix, the average low-temperature is 55.9°F (13.3°C).

Humidity

The average relative humidity in March is 29%.

Rainfall

In Phoenix, during 3.5 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 44.6 rainfall days, and 5.04" (128mm) of precipitation is accumulated.

Snowfall

January through August, October through December are months without snowfall in Phoenix.

Daylight

In Phoenix, the average length of the day is 12h.

Sunshine

In Phoenix, Arizona, the average sunshine in March is 9.2h.

UV index

In Phoenix, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: In March, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in March in Phoenix?

The average high-temperature, in March, in Phoenix, is 76.1°F (24.5°C), while the average low-temperature is 55.9°F (13.3°C).

What is the average humidity in March in Phoenix?

In March, the average relative humidity in Phoenix is 29%.

How much does it rain in Phoenix in March?

In March, in Phoenix, the rain falls for 3.5 days. Throughout March, 0.43" (11mm) of precipitation is accumulated.

When it does not snow in Phoenix?

In Phoenix snow does not fall in January through August, October through December.

What is the average length of the day in March in Phoenix?

In Phoenix, the average length of the day in March is 12h.

How long on average sun shines in March in Phoenix?

In Phoenix, the average sunshine in March is 9.2h.

How high is the UV index in March in Phoenix?

The average daily maximum UV index in March in Phoenix, Arizona, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in March - Phoenix, AZ
  • Average high temperature in March: 24.5°C

The warmest month (with the highest average high temperature) is July (39.8°C).
The month with the lowest average high temperature is December (17.2°C).

  • Average low temperature in March: 13.3°C

The month with the highest average low temperature is August (29.3°C).
The coldest month (with the lowest average low temperature) is January (8.6°C).

Average humidity in March - Phoenix, AZ
  • Average humidity in March: 29%

The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (16%).

Average rainfall in March - Phoenix, AZ
  • Average rainfall in March: 11mm

The wettest month (with the highest rainfall) is July (19mm).
Driest months (with the lowest rainfall) are May and June (2mm).

Average rainfall days in March - Phoenix, AZ
  • Average rainfall days in March: 3.5 days

The month with the highest number of rainy days is July (7.8 days).
The month with the lowest number of rainy days is June (0.8 days).

Average snowfall in March - Phoenix, AZ
  • Average snowfall in March: 0mm

The month with the highest snowfall is September (1mm).
Months with the lowest snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).

Average snowfall days in March - Phoenix, AZ
  • Average snowfall days in March: 0 days

The month with the highest number of snowfall days is September (0.1 days).
Months with the lowest number of snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

Average daylight in March / Average sunshine in March - Phoenix, AZ
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in March: 9.2h

The month with most sunshine is June (Average sunshine: 12.1h).
The month with least sunshine is December (Average sunshine: 6.8h).

Average UV index in March - Phoenix, AZ
  • Average UV index in March: 5

Months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).