World Resorts USA Sun Valley Weather

Sun Valley weather in August

Weather in Sun Valley: August

Average day temperature: 73.6°F
Average night temperature: 57.1°F
Number of sunny days: 22 days
Day length: 13.2 - 14.6 hours
Number of rainy days: 1 day
Precipitation totals: 0.7 in.

Air temperature in August, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
Day temperature   
Night temperature

The highest day temperature during August of 2024 was 82°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during August were 69.3°F and 55.0°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
71%
19%
10%

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.2
0.4
0.7
0.9
1.1
1.3
1.6
1.3
1.2
1.3
1.1
1.3
1.2
1.3
1.1

Precipitation total value in Sun Valley in August is 0.7 in. Other months of the year show relatively similar values.

Wind speed in August, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.2
3.4
4.5
5.6
6.7
7.9
4.1
4.1
4.8
5.6
6.6
6.0
5.5
5.3
4.8
4.5
4.1
4.1
4.1
4.8
5.6
5.9
6.6
6.0
5.5
5.3
4.8
4.5
4.1

The average wind speed value in August is 5.9 mph It makes August one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.2
4.3
6.5
8.7
10.8
13.0
15.2
4.4
5.4
7.5
9.8
12.6
11.3
8.2
8.1
6.5
5.5
5.1
4.4
5.4
7.5
9.8
10.6
12.6
11.3
8.2
8.1
6.5
5.5
5.1

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 10.6.

Best time for vacation in Sun Valley

Sunniest months:
July 25 days
September 23 days
August 22 days
Warmest months:
July 77.2 °F
August 73.6 °F
September 66.8 °F
Coldest months:
January 25.0 °F
February 26.0 °F
December 27.2 °F
Rainiest months:
June 2 days
May 2 days
November 2 days
Windiest months:
July 6.6 mph
June 6.0 mph
August 5.9 mph

Sun Valley on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+46°F
+54°F
+73°F
+73°F
+59°F
+54°F
+75°F
+50°F
+70°F
+54°F
+48°F
+66°F
+68°F
+68°F
+55°F
24 Hours Forecast
Sun Valley
Local time: 06:53
April 14, monday
0900
34°F
NW
2 mph
1200
46°F
NW
6 mph
1500
54°F
N
6 mph
1800
54°F
N
5 mph
2100
30°F
N
5 mph
April 15, tuesday
0000
27°F
N
4 mph
0300
25°F
NE
2 mph
0600
27°F
NE
2 mph
Units of measurement: °C / °F