April weather forecast
Sun Valley, AZ

Share

Weather in April

April is an agreeable spring month in Sun Valley, Arizona, with an average temperature varying between 45.3°F (7.4°C) and 68.5°F (20.3°C).

Temperature

A slight uplift of average high-temperatures is noted in April, with temperatures adjusting from a refreshing 61.9°F (16.6°C) in March to an agreeable 68.5°F (20.3°C). Despite the stark contrast with daytime temperatures, Sun Valley's April nights average at a frosty 45.3°F (7.4°C).

Humidity

In Sun Valley, Arizona, the average relative humidity in April is 26%.

Rainfall

In Sun Valley, in April, it is raining for 5.4 days, with typically 0.31" (8mm) of accumulated precipitation. In Sun Valley, during the entire year, the rain falls for 74.3 days and collects up to 7.2" (183mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Sun Valley, Arizona. April is the last month it regularly snows. During 0.4 snowfall days, in April, Sun Valley aggregates 0.08" (2mm) of snow. Throughout the year, there are 11.2 snowfall days, and 5.98" (152mm) of snow is accumulated.

Daylight

In Sun Valley, the average length of the day in April is 13h and 5min.
On the first day of the month, sunrise is at 6:05 am and sunset at 6:41 pm. On the last day of April, sunrise is at 5:29 am and sunset at 7:05 pm MST.

Sunshine

The average sunshine in April is 11h.

UV index

The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during April leads to these advisories:
Exercise prevention - Precautions against solar damage are endorsed. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. 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. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

What is the average April temperature in Sun Valley?

The high-temperature, in April, in Sun Valley, records 68.5°F (20.3°C), while the low-temperature is 45.3°F (7.4°C).

What is the average humidity in April?

In April, the average relative humidity is 26%.

How much does it rain in April?

In April, the rain falls for 5.4 days. Throughout April, 0.31" (8mm) of precipitation is accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 0.4 snowfall days, in April, Sun Valley aggregates 0.08" (2mm) of snow.

How many hours of daylight does Sun Valley have in April?

In Sun Valley, the average day length in April is 13h and 5min.

When is the sunrise / sunset in April in Sun Valley?

On the first day of April in Sun Valley, sunrise is at 6:05 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 7:05 pm MST.

How many hours of sunshine does Sun Valley have in April?

The average sunshine duration in April is 11h.

What is the UV index intensity in April?

In April, the average daily maximum UV index in Sun Valley is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
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
Sun Valley, AZ

Average temperature in April - Sun Valley, AZ
  • Average high temperature in April: 68.5°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (46.8°F).

  • Average low temperature in April: 45.3°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in April
Sun Valley, AZ

Average pressure in April - Sun Valley, AZ
  • Average pressure in April: 29.91"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).

Average wind speed in April
Sun Valley, AZ

Average wind speed in April - Sun Valley, AZ
  • Average wind speed in April: 10.6mph

The windiest months (with the highest average wind speed) are April and May (10.6mph).
The calmest month (with the lowest average wind speed) is January (6.1mph).

Average humidity in April
Sun Valley, AZ

Average humidity in April - Sun Valley, AZ
  • Average humidity in April: 26%

The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (18%).

Average rainfall in April
Sun Valley, AZ

Average rainfall in April - Sun Valley, AZ
  • Average rainfall in April: 0.31"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.16").

Average rainfall days in April
Sun Valley, AZ

Average rainfall days in April - Sun Valley, AZ
  • Average rainfall days in April: 5.4 days

The month with the highest number of rainy days is July (13.3 days).
The months with the least rainy days are June and November (3.4 days).

Average snowfall in April
Sun Valley, AZ

Average snowfall in April - Sun Valley, AZ
  • Average snowfall in April: 0.08"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April
Sun Valley, AZ

Average snowfall days in April - Sun Valley, AZ
  • Average snowfall days in April: 0.4 days

The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Sun Valley, AZ

Average daylight in April / Average sunshine in April - Sun Valley, AZ
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in April: 11h and 0min

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

Average sunshine days in April
Sun Valley, AZ

Average sunshine days in April - Sun Valley, AZ
  • Average sunshine days in April: 24.3 days

The months with the most sunshine days are May, June and November (25.3 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in April
Sun Valley, AZ

Average UV index in April - Sun Valley, AZ
  • Average UV index in April: 5

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in April
Sun Valley, AZ

Average cloud cover in April - Sun Valley, AZ
  • Average cloud cover in April: 15

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 9).

Average visibility in April
Sun Valley, AZ

Average visibility in April - Sun Valley, 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).

Sun Valley, Arizona, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location