Flights to Sun Valley, ID, United States

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Weather in Sun Valley

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-1°C-13°C
February0°C-12°C
March3°C-8°C
April9°C-3°C
May15°C1°C
June21°C6°C
July28°C11°C
August27°C11°C
September22°C7°C
October12°C0°C
November3°C-7°C
December-1°C-12°C
Hottest Month
28°C
July
Coldest month
-13°C
January
Sunny days
261
days per year
Snow days
37
days per year

14 day forecast

Saturday
18 Oct
12°C0°C
25 Oct
6°C0°C
Sunday
19 Oct
79%
11°C-3°C
26 Oct
8°C-4°C
Monday
20 Oct
9°C-2°C
27 Oct
6°C-6°C
Tuesday
21 Oct
11°C-2°C
28 Oct
12°C-2°C
Wednesday
22 Oct
14°C-1°C
29 Oct
16°C1°C
Thursday
23 Oct
15°C1°C
30 Oct
17°C3°C
Friday
24 Oct
12°C0°C
31 Oct
77%
11°C2°C

Cheapest month to fly to Sun Valley

Explore price trends for trips to Sun Valley

Annual Avg. Price674 GBP
October 2025480 GBP
November 2025414 GBP
December 2025389 GBP
January 2026357 GBP
February 2026299 GBP
March 2026984 GBP
April 2026509 GBP
May 20261087 GBP
June 20261087 GBP
August 20261133 GBP

Frequently asked questions

Main airports in Sun Valley, Idaho
Getting to Sun Valley, Idaho
Best time to visit Sun Valley, Idaho
Things to do in Sun Valley, Idaho
When to book your flight to Sun Valley, Idaho
Ideal duration of stay in Sun Valley, Idaho
Top tourist attractions in Sun Valley, Idaho
Safety walking at night in Sun Valley, Idaho
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