April weather forecastSun Valley, AZ
April
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 13h and 6min
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: 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: 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: 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: 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).
