April weather forecast
Phoenix, AZ

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

Weather in April

April in Phoenix, Arizona, encapsulates the end of spring, paving the way for the fast-approaching summer. The city experiences a noteworthy jump in temperatures, signaling the start of stark sunny weather. Soaring to 83.1°F, it sets the stage for the high temperatures that define Phoenix's weather. An extraordinary dip in rainfall primes the landscape for the dry weather ahead. The city reveals its dry desert nature with significantly lower humidity levels and scarce rainfall.

Temperature

As March transitions into April, a subtle temperature shift is observed, with average highs adjusting from 76.1°F to a still warm 83.1°F. April presents a pronounced divergence from daily peak temperatures, with the average low-temperature of 61.3°F.

Humidity

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

Rainfall

In Phoenix, during April, the rain falls for 2.2 days and regularly aggregates up to 0.12" of precipitation. In Phoenix, during the entire year, the rain falls for 44.6 days and collects up to 5.04" of precipitation.

Snowfall

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

Daylight

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

Sunshine

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

UV index

The average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In April, the UV index of 6 transforms into the following advice:
Fend off overexposure. Sun protection is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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FAQ

Is it hot in Phoenix during April?

In Phoenix, in April, the average high-temperature is 83.1°F, and the average low-temperature is 61.3°F.

What is the average humidity in April in Phoenix?

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

How much does it rain in Phoenix in April?

In Phoenix, Arizona, in April, during 2.2 rainfall days, 0.12" of precipitation is typically 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 April in Phoenix?

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

When is the sunrise / sunset in April in Phoenix?

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

How many hours of sunshine does Phoenix have in April?

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

What is the UV index reading in April in Phoenix?

In April, the average daily maximum UV index in Phoenix is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
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 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in April: 10h and 5min

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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Phoenix, Arizona, USA

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