March weather forecast
Phoenix, AZ

The city of Phoenix, Arizona at dusk
The city of Phoenix, Arizona at dusk

Weather in March

March, the first month of the spring, in Phoenix, is a warm month, with average temperature ranging between min 55.9°F (13.3°C) and max 76.1°F (24.5°C).

Temperature

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

Humidity

The average relative humidity in March is 29%.

Rainfall

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

Snowfall

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

Daylight

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

Sunshine

The average sunshine in March is 9.2h.

UV index

In March, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: In March, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. 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.
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FAQ

What is the average humidity in March in Phoenix?

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

How many days does it rain in March in Phoenix?

In Phoenix, during March, the rain falls for 3.5 days and regularly aggregates up to 0.43" (11mm) of precipitation.

When it does not snow in Phoenix?

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

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

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

How long on average sun shines in March in Phoenix?

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

What is the UV index reading in March in Phoenix?

In March, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in March
Phoenix, AZ

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).

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Average pressure in March
Phoenix, AZ

Average pressure in March - Phoenix, AZ
  • Average pressure in March: 1014.8mbar

The month with the highest atmospheric pressure is January (1018.9mbar).
The month with the lowest atmospheric pressure is June (1009.5mbar).

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Average wind speed in March
Phoenix, AZ

Average wind speed in March - Phoenix, AZ
  • Average wind speed in March: 8.5km/h

The windiest month (with the highest average wind speed) is April (10.3km/h).
The calmest month (with the lowest average wind speed) is December (7km/h).

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Average humidity in March
Phoenix, AZ

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%).

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Average rainfall in March
Phoenix, AZ

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

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

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Average rainfall days in March
Phoenix, AZ

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 least rainy days is June (0.8 days).

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Average snowfall in March
Phoenix, AZ

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

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

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Average snowfall days in March
Phoenix, AZ

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 least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

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Average daylight in March /
Average sunshine in March
Phoenix, AZ

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 the shortest days is December (Average daylight: 10h).

  • Average sunshine in March: 9.2h

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

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Average sunshine days in March
Phoenix, AZ

Average sunshine days in March - Phoenix, AZ
  • Average sunshine days in March: 28.3 days

The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (21.1 days).

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Average UV index in March
Phoenix, AZ

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).

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Average cloud cover in March
Phoenix, AZ

Average cloud cover in March - Phoenix, AZ
  • Average cloud cover in March: 15

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in March
Phoenix, AZ

Average visibility in March - Phoenix, AZ
  • Average visibility in March: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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