April weather forecast
Phoenix, AZ

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

Weather in April

April, like March, in Phoenix, Arizona, is a moderately hot spring month, with an average temperature ranging between min 61.3°F (16.3°C) and max 83.1°F (28.4°C).

Temperature

In April, the average high-temperature slightly increases from 76.1°F (24.5°C) in March to a still moderately hot 83.1°F (28.4°C). In April, the average low-temperature is 61.3°F (16.3°C).

Humidity

The average relative humidity in April in Phoenix is 21%.

Rainfall

In Phoenix, in April, it is raining for 2.2 days, with typically 0.12" (3mm) of accumulated precipitation. Throughout the year, 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 April, the average length of the day is 13h and 2min.
On the first day of the month, sunrise is at 6:15 am and sunset at 6:48 pm. On the last day of April, sunrise is at 5:40 am and sunset at 7:10 pm MST.

Sunshine

In Phoenix, Arizona, the average sunshine in April is 10.8h.

UV index

The average daily maximum UV index in April in Phoenix is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in April in Phoenix?

In Phoenix, Arizona, the average relative humidity in April is 21%.

How much does it rain in Phoenix in April?

In Phoenix, during April, the rain falls for 2.2 days and regularly aggregates up to 0.12" (3mm) of precipitation.

When it does not snow in Phoenix?

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

How many hours of daylight does Phoenix have in April?

In Phoenix, the average day length in April is 13h and 2min.

When are sunrise and sunset in April in Phoenix?

On the first day of April in Phoenix, Arizona, sunrise is at 6:15 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:10 pm MST.

How long on average sun shines in April in Phoenix?

The average sunshine duration in April is 10.8h.

How high is the UV index in April in Phoenix?

In Phoenix, Arizona, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Phoenix, AZ

Average temperature in April - Phoenix, AZ
  • Average high temperature in April: 83.1°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 April: 61.3°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).

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Average pressure in April
Phoenix, AZ

Average pressure in April - Phoenix, AZ
  • Average pressure in April: 29.88"Hg

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

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Average wind speed in April
Phoenix, AZ

Average wind speed in April - Phoenix, AZ
  • Average wind speed in April: 6.4mph

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).

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Average humidity in April
Phoenix, AZ

Average humidity in April - Phoenix, AZ
  • Average humidity in April: 21%

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 April
Phoenix, AZ

Average rainfall in April - Phoenix, AZ
  • Average rainfall in April: 0.12"

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

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Average rainfall days in April
Phoenix, AZ

Average rainfall days in April - Phoenix, AZ
  • Average rainfall days in April: 2.2 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 April
Phoenix, AZ

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

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

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Average snowfall days in April
Phoenix, AZ

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

The month with the highest number of snowfall days is September (0.1 days).
The 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 April /
Average sunshine in April
Phoenix, AZ

Average daylight in April / Average sunshine in April - Phoenix, AZ
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 20min).
The month with the shortest days is December (Average daylight: 9h and 59min).

  • Average sunshine in April: 10h and 48min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in April
Phoenix, AZ

Average sunshine days in April - Phoenix, AZ
  • Average sunshine days in April: 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 April
Phoenix, AZ

Average UV index in April - Phoenix, AZ
  • Average UV index in April: 6

The 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 April
Phoenix, AZ

Average cloud cover in April - Phoenix, AZ
  • Average cloud cover in April: 11

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 April
Phoenix, AZ

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

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

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