April weather forecast and climate
Phoenix, AZ

The city of Phoenix, Arizona at dusk
The city of Phoenix, Arizona at dusk
April, the same as March, is a moderately hot spring month in Phoenix, Arizona, with 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 marginally rises, from 76.1°F (24.5°C) in March, to a still warm 83.1°F (28.4°C). In April, in Phoenix, the average low-temperature is 61.3°F (16.3°C).

Humidity

In Phoenix, the average relative humidity 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 in Phoenix is 13h.

Sunshine

The average sunshine in Phoenix, Arizona, is 10.8h.

UV index

In Phoenix, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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. 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 April in Phoenix?

In Phoenix, in April, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 61.3°F (16.3°C).

What is the average humidity in April in Phoenix?

In April, the average relative humidity 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" (3mm) of precipitation is typically accumulated.

When it does not snow in Phoenix?

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

How many hours of daylight does Phoenix have in April?

In April, the average length of the day in Phoenix is 13h.

How long on average sun shines in April in Phoenix?

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

What is the UV index reading in April in Phoenix?

The average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
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).

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

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 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).

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%).

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").

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).

Average snowfall in April - Phoenix, AZ
  • Average snowfall in April: 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 April - Phoenix, AZ
  • Average snowfall days in April: 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 April / Average sunshine in April - Phoenix, AZ
  • Average daylight in April: 13h

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 April: 10.8h

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 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).

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

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 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).

Average visibility in April - Phoenix, AZ
  • Average visibility in April: 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).