World Resorts USA Sun Valley

Sun Valley Monthly Weather Averages

Please click on any column to get detailed information about Sun Valley weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
27.2
34.6
52.4
66.8
73.6
77.2
63.6
50.9
39.1
32.2
26.0
25.0
18.1
23.2
37.5
49.7
57.1
58.6
48.8
37.7
27.4
20.4
15.4
15.6
Day temperature   
Night temperature

The warmest month in Sun Valley is july. The average daily temp is 77.2°F. The average nightly temp is 58.6°F.

Precipitation total, 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
0.9
0.7
0.6
0.7
0.1
1
1.2
0.7
1.3
1.1
0.6

July is the month with least precipitations during the year. The average precipitation totals for this month is 0.1 in. The month with most precipitation total is December.

Number of rainy days

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
4
3
3
2
1
1
0
2
2
1
3
2
1

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
4.1
4.1
4.8
5.6
5.9
6
5.5
5.3
4.8
4.5
4.1
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
13
10
5
3
3
5
10
8
10
9
11
7
7
7
4
6
6
7
11
9
11
9
9
11
13
19
23
22
25
18
10
13
10
11
12
Cloudy days   
Partly cloudy days   
Sunny days
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
2
4
6
8
10
12
14
16
4.4
5.4
7.5
9.8
10.6
12.6
11.3
8.2
8.1
6.5
5.5
5.1

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.

* Charts above show average data for the last 3 years.

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
Boston
+43°F
Washington
+75°F
Hawaii
+75°F
Honolulu
+75°F
Las Vegas
+66°F
Los Angeles
+79°F
Miami
+79°F
New York
+45°F
Orlando
+88°F
San Diego
+66°F
San Francisco
+54°F
Sarasota
+90°F
Tampa
+91°F
Houston
+79°F
Chicago
+50°F
all places
24 Hours Forecast
Sun Valley
Local time: 13:19
April 05, saturday
1500
46°F
E
1 mph
1800
45°F
SE
2 mph
2100
23°F
SE
4 mph
April 06, sunday
0000
19°F
SE
4 mph
0300
19°F
SE
4 mph
0600
18°F
SE
3 mph
0900
30°F
SE
1 mph
1200
46°F
N
2 mph
Units of measurement: °C / °F