Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Sun Valley in August witnesses an average high-temperature of a still hot 88.3°F (31.3°C), indicating a slight variation from July's 90.1°F (32.3°C). Sun Valley's average low-temperature during August nights is observed to be an agreeable 69.3°F (20.7°C).Humidity
In August, the average relative humidity is 33%.Rainfall
In Sun Valley, during August, the rain falls for 10.6 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 74.3 rainfall days, and 7.2" (183mm) of precipitation is accumulated.Snowfall
In Sun Valley, snow does not fall in May through October.Daylight
In August, the average length of the day is 13h and 26min.On the first day of August, sunrise is at 5:30 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 6:47 pm MST.
Sunshine
August has the most sunshine of the year, with an average of 12.2h of sunshine.UV index
The months with the highest UV index in Sun Valley are June through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In August, the UV index of 7 transforms into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Sun Valley in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Sun Valley have in August?
When is the sunrise / sunset in August?
What month has the most sunshine?
How long on average sun shines in August?
What are the months with the highest UV index in Sun Valley?
What is the UV index reading in August?
Average temperature in August
Sun Valley, AZ
- Average high temperature in August: 88.3°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 August: 69.3°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 August
Sun Valley, AZ
- Average pressure in August: 29.96"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 August
Sun Valley, AZ
- Average wind speed in August: 7.6mph
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 August
Sun Valley, AZ
- Average humidity in August: 33%
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (18%).
Average rainfall in August
Sun Valley, AZ
- Average rainfall in August: 0.91"
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 August
Sun Valley, AZ
- Average rainfall days in August: 10.6 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 August
Sun Valley, AZ
- Average snowfall in August: 0"
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 August
Sun Valley, AZ
- Average snowfall days in August: 0 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 August /
Average sunshine in August
Sun Valley, AZ
- Average daylight in August: 13h and 2min
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 August: 12h and 1min
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 August
Sun Valley, AZ
- Average sunshine days in August: 16.6 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 August
Sun Valley, AZ
- Average UV index in August: 7
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 August
Sun Valley, AZ
- Average cloud cover in August: 14
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 August
Sun Valley, AZ
- Average visibility in August: 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
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