March weather forecast and climate
Phoenix, AZ

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

Humidity

The average relative humidity in March is 29%.

Rainfall

In March, the rain falls for 3.5 days. Throughout March, 0.43" (11mm) of precipitation is accumulated. In Phoenix, during the entire year, the rain falls for 44.6 days and collects up to 5.04" (128mm) of precipitation.

Snowfall

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

Daylight

In Phoenix, 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 value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in March in Phoenix?

The average high-temperature, in March, in Phoenix, Arizona, 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 Phoenix, Arizona, the average relative humidity in March is 29%.

How many days does it rain in March in Phoenix?

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

How many hours of sunshine does Phoenix have in March?

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

What is the UV index reading in March in Phoenix?

In March, the average daily maximum UV index in Phoenix is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in March - Phoenix, AZ
  • Average high temperature in March: 76.1°F

The warmest month (with the highest average high temperature) is July (103.6°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in March: 55.9°F

The month with the highest average low temperature is August (84.7°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).

Average pressure in March - Phoenix, AZ
  • Average pressure in March: 29.97"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.81").

Average wind speed in March - Phoenix, AZ
  • Average wind speed in March: 5.3mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).

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: 0.43"

The wettest month (with the highest rainfall) is July (0.75").
The driest months (with the least rainfall) are May and June (0.08").

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).

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

The month with the highest snowfall is September (0.04").
Months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0").

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).

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).

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).

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).

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).

Average visibility in March - Phoenix, AZ
  • Average visibility in March: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).