Weather in Idaho Falls: December
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Average day temperature: | 29.3°F |
Average night temperature: | 21.7°F | |
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Number of sunny days: | 7 days |
Day length: | 8.9 - 9.2 hours | |
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Number of rainy days: | 0 days |
Precipitation totals: | 0.6 in. | |
more information |
14 days
forecast
forecast
Idaho Falls |
weather in
January
January
Idaho Falls |
Air temperature in December, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
6
12
18
24
30
36
42
48
Day temperature | Night temperature |
The highest day temperature during December of 2024 was 39°F. At the same time the lowest night temperature was 14°F. Daily and nightly averages during December were 32.7°F and 24.2°F.
Sunny, partly cloudy and cloudy days
Sunny days | |
Partly cloudy days | |
Cloudy days |
23%
19%
58%
Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in December, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.2
0.4
0.5
0.7
0.9
1.1
1.2
1.4
1.0
1.0
Precipitation total value in Idaho Falls in December is 0.6 in. Other months of the year show relatively similar values.
Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.8
6.4
8.0
9.5
11.1
12.7
7.1
7.7
7.5
7.4
7.4
8.8
9.0
9.3
7.3
6.6
5.1
6.3
7.1
7.7
7.5
7.4
7.4
8.8
9.0
9.3
7.3
6.6
5.1
The average wind speed value in December is 6.3 mph It makes December one of the least windy months of the year.
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.2
4.4
6.6
8.8
11.0
13.2
15.4
17.6
4.4
7.4
10.0
10.7
12.9
12.1
9.1
8.3
6.0
4.0
3.7
3.2
4.4
7.4
10.0
10.7
12.9
12.1
9.1
8.3
6.0
4.0
3.7
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 December is: 3.2.
Best time for vacation in Idaho Falls
Idaho Falls on a weather map
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Places in USA:
Name
°F
24 Hours Forecast
Idaho Falls
Local time: 12:17
April 11, friday
1500

70°F
NE
13 mph
13 mph
1800

66°F
E
12 mph
12 mph
2100

57°F
NE
4 mph
4 mph
April 12, saturday
0000

52°F
NW
4 mph
4 mph
0300

48°F
N
4 mph
4 mph
0600

43°F
NE
4 mph
4 mph
0900

50°F
NE
13 mph
13 mph
1200

54°F
NE
24 mph
24 mph