As of 05:11 MDT

Idaho Falls, ID weather in December

62°

Idaho Falls, Sunday, 9 August, 05:11

Mostly clear. Feels like 60°. High 96°, low 62°.

Pressure30.03 inHg

Wind6.2 mph S

Humidity57%

Visibility6.2 mi

Dew point45°

See detailed hourly forecast

In December, Idaho Falls, ID averages a high of 31° and a low of 16.5°. About 1.6 inches of precipitation fall over the month (10 wet days). The record high is 57.9° (1995) and the record low -36.4° (1972). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	34.7°	21°	42%	57.9° (1995)	-3.5° (1963)
2	35.8°	21.7°	42%	47.8° (2012)	-4.2° (1963)
3	35.2°	21.2°	32%	54.7° (1987)	-5.4° (1963)
4	35.1°	19.8°	27%	52.5° (1987)	-19.1° (1992)
5	33.6°	18.9°	27%	50.4° (1987)	-28.3° (1972)
6	33.6°	18.1°	27%	53.1° (1981)	-25.6° (1972)
7	32.9°	18.9°	35%	48.6° (1981)	-22.5° (2005)
8	32°	18.1°	28%	49.5° (1981)	-22.5° (1971)
9	31.8°	17.4°	25%	50.5° (1981)	-16.4° (1972)
10	32.5°	17.8°	23%	54° (2025)	-36.4° (1972)
11	31.8°	17.2°	22%	54.5° (2025)	-30.8° (1972)
12	32.7°	18.7°	40%	56.1° (2014)	-14.3° (1972)
13	31.6°	17.2°	38%	48.6° (2025)	-17° (1967)
14	30.9°	16.9°	35%	48° (2002)	-17.1° (1967)
15	30.9°	15.3°	27%	45.3° (1962)	-20° (1972)
16	30.6°	16°	25%	52° (2025)	-7.2° (1985)
17	30.4°	15.4°	28%	51.4° (2025)	-14.4° (1964)
18	30.2°	14.5°	28%	45° (1979)	-13.2° (1964)
19	29.7°	14.4°	22%	45.1° (1979)	-15.5° (2016)
20	29.7°	14.7°	25%	45.1° (2023)	-13° (1998)
21	30°	15.6°	40%	49.8° (2020)	-25.1° (1998)
22	29.1°	15.6°	33%	46.8° (2025)	-20.9° (1998)
23	27.9°	14°	38%	50.5° (2025)	-27.4° (1998)
24	29.1°	14.9°	32%	53.8° (2025)	-17.9° (1983)
25	29.5°	14.7°	38%	52.9° (2025)	-13.9° (1990)
26	28.9°	14°	33%	49.8° (1980)	-10.1° (1997)
27	29.1°	13.8°	38%	52.3° (1980)	-17.9° (2015)
28	28.6°	14.7°	32%	43.9° (2004)	-8° (1960)
29	28.4°	14.2°	38%	45.3° (2011)	-11.9° (1969)
30	27.5°	13.6°	40%	51.4° (2011)	-16.6° (1990)
31	26.1°	12°	35%	47.7° (1980)	-23.3° (2014)