Phoenix Weather in April

April has noticeably warmer temperatures, sunnier skies and less rain than previous months at Phoenix, Arizona.

This page gives detailed information on the typical April temperature, precipitation, sun, humidity, wind and storms for Phoenix. The weather measurements are averages based on climate data gathered at the Phoenix Sky Harbor International Airport, located near the city center.

Temperature Weather iconTemperature

86 °F April average high 30 °C
61 °F April average low 16 °C
23 days 80 °F max. or more (27 °C)
15 days 60 °F min. or less (16 °C)

Nearly every day in April warms to over 70 degrees Fahrenheit (21 degrees Celsius) in Phoenix. The city averages 10 days this month when the thermometer reaches into the 90s °F (over 32 °C). Occasionally Phoenix has a day as hot as 100 °F (38 °C) in April.

The thermometer dips to 50 °F (10 °C) or below on an average of 2 nights. But April does not normally get as cold as 40 °F (4 °C).

Rainy Weather iconRain

0.2 in total precipitation 6 mm
2 day of rain

It's not uncommon for Phoenix to receive no rain in April. The rainiest Aprils get at least 0.3 inches (7 mm).

Sunny Weather iconSun

89 % sunshine
17 days clear skies

The sun's rays reach the ground in Phoenix during 89 percent of daylight hours on average in April, for a total of 348 hours in the month. Typically on 17 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in April at Phoenix lasts for 13 hours and 2 minutes a day on average. The shortest day of the month is the 1st with 12 hours and 34 minutes of daylight. By the end of the month, the days have lengthened to 13:30 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

28 % April average humidity

The relative humidity in Phoenix during April usually peaks at 43 percent in the morning then drops to 16 percent by late afternoon.

Local Time2 am5 am8 am11 am2 pm5 pm8 pm11 pm
Humidity % 37 43 37 23 17 16 21 29

Windy Weather iconWind

6.9 mph April wind speed average 11.1 kph

April is a little windier than most other months in Phoenix.

Stormy Weather iconStorms

0 days rainfall of 0.5 inches (13 mm) or more
1 day with thunderstorms in April

About once a decade, Phoenix receives as much as an inch (25 mm) of rain in one day during April.

An April thunderstorm happens in most, but not all, years.


The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.

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