World Resorts USA Sun Valley Weather

Summer weather in Sun Valley

Weather in Sun Valley in Summer

June July August
Average day temperature: 63.6°F 77.2°F 73.6°F
Average night temperature: 48.8°F 58.6°F 57.1°F
Number of sunny days: 18 days 25 days 22 days
Day length: 15.2 - 15.5 h. 14.6 - 15.4 h. 13.2 - 14.6 h.
Number of rainy days: 2 days 0 days 1 day
Precipitation totals: 1.0 in. 0.1 in. 0.7 in.

Day & Night air temperature, °F

June
July
August
0
13
26
39
52
65
78
91
104
73.6
77.2
63.6
57.1
58.6
48.8
Day temperature   
Night temperature

Precipitation total, in.

June
July
August
0.0
0.2
0.3
0.5
0.7
0.8
1.0
1.2
0.7
0.1
1
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
3
5
6
6
7
22
25
18
Cloudy days   
Partly cloudy days   
Sunny days
Wind speed, mph
June
July
August
0.0
1.1
2.2
3.4
4.5
5.6
6.7
7.9
5.9
6.6
6
Average sunny hours
June
July
August
0
2
4
6
8
10
12
14
16
10.6
12.6
11.3

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

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
+41°F
+59°F
+73°F
+73°F
+45°F
+52°F
+77°F
+48°F
+73°F
+50°F
+48°F
+73°F
+73°F
+73°F
+43°F
24 Hours Forecast
Sun Valley
Local time: 07:28
April 05, saturday
0900
25°F
SE
2 mph
1200
41°F
N
3 mph
1500
46°F
E
1 mph
1800
45°F
SE
2 mph
2100
25°F
SE
3 mph
April 06, sunday
0000
18°F
SE
4 mph
0300
16°F
SE
4 mph
0600
19°F
SE
3 mph
Units of measurement: °C / °F