World Resorts USA Sun Valley Weather

Sun Valley weather in July

Weather in Sun Valley: July

Average day temperature: 78.3°F
Average night temperature: 57.4°F
Number of sunny days: 25 days
Day length: 14.6 - 15.4 hours
Number of rainy days: 0 days
Precipitation totals: 0.2 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 88°F. At the same time the lowest night temperature was 38°F. Daily and nightly averages during July were 81.9°F and 52.3°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in July, in.

Precipitation total value in Sun Valley in July is 0.2 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 6.9 mph It makes July most windy month of the year.

Average sunny hours

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 July is: 12.7.

Best time for vacation in Sun Valley

Sunniest months:
July 25 days
September 23 days
August 21 days
Warmest months:
July 78.3 °F
August 74.6 °F
September 67.6 °F
Coldest months:
January 26.2 °F
February 27.5 °F
December 28.8 °F
Rainiest months:
June 2 days
May 2 days
November 2 days
Windiest months:
July 6.9 mph
August 6.4 mph
June 6.3 mph

Sun Valley on a weather map

Sun Valley
+41°F
S 6 mph
Feels like: +39°F
Precip.: 67%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+75°F
+70°F
+81°F
+63°F
+63°F
+68°F
+59°F
+68°F
+73°F
+81°F
+64°F
24 Hours Forecast
Sun Valley
Local time: 03:18
September 19, saturday
0600
41°F
S
5 mph
0900
45°F
SW
6 mph
1200
52°F
N
2 mph
1500
46°F
NE
4 mph
1800
48°F
SW
1 mph
2100
43°F
SW
4 mph
September 20, sunday
0000
41°F
SW
5 mph
0300
41°F
SW
6 mph
Units of measurement: °C / °F