Ketchum December Weather
Averages and records for weather in
Ketchum, Idaho in the month of December.
Typical Ketchum December Weather
1991–2020
|
| Average daily high |
31.0 °F |
| Average daily low |
8.8 °F |
| Average monthly precipitation |
2.7 inches |
| Average monthly snow |
29.7 inches |
| Daily chance of precipitation |
35.3% |
| Daily chance of snow |
31.6% |
Note: Daily averages are a moving average which includes 14 days before and after
| Day |
Average (°F) |
Record (°F) |
| High |
Low |
High |
Low |
| December 1 |
35.4 |
12.4 |
59 |
-12 |
| December 2 |
35.1 |
12.0 |
55 |
-13 |
| December 3 |
34.7 |
11.7 |
56 |
-22 |
| December 4 |
34.4 |
11.3 |
60 |
-10 |
| December 5 |
33.9 |
11.0 |
60 |
-23 |
| December 6 |
33.5 |
10.7 |
54 |
-19 |
| December 7 |
33.1 |
10.5 |
54 |
-17 |
| December 8 |
32.7 |
10.2 |
50 |
-28 |
| December 9 |
32.4 |
10.0 |
48 |
-24 |
| December 10 |
32.1 |
9.8 |
48 |
-27 |
| December 11 |
31.9 |
9.5 |
45 |
-32 |
| December 12 |
31.6 |
9.3 |
49 |
-22 |
| December 13 |
31.4 |
9.1 |
46 |
-22 |
| December 14 |
31.2 |
8.9 |
48 |
-21 |
| December 15 |
31.0 |
8.8 |
46 |
-20 |
| December 16 |
30.9 |
8.7 |
55 |
-20 |
| December 17 |
30.7 |
8.5 |
56 |
-37 |
| December 18 |
30.5 |
8.2 |
48 |
-25 |
| December 19 |
30.4 |
8.1 |
46 |
-20 |
| December 20 |
30.3 |
8.1 |
50 |
-18 |
| December 21 |
30.3 |
8.0 |
49 |
-25 |
| December 22 |
30.3 |
7.9 |
47 |
-37 |
| December 23 |
30.3 |
7.8 |
45 |
-36 |
| December 24 |
30.3 |
7.8 |
49 |
-30 |
| December 25 |
30.4 |
7.7 |
47 |
-26 |
| December 26 |
30.4 |
7.8 |
50 |
-28 |
| December 27 |
30.4 |
7.8 |
52 |
-24 |
| December 28 |
30.4 |
7.7 |
47 |
-17 |
| December 29 |
30.4 |
7.6 |
44 |
-21 |
| December 30 |
30.3 |
7.5 |
49 |
-26 |
| December 31 |
30.3 |
7.5 |
46 |
-26 |
Weather Station Details
| Years |
Station |
Coordinates |
| 1973–2024 |
Ketchum |
location |
| 1937–1972 |
Sun Valley |
location |