As of 10:36 MDT

Jeffrey City, WY weather in December

85°

Jeffrey City, Sunday, 9 August, 10:36

Partly cloudy. Feels like 82°. High 92°, low 59°.

Pressure29.85 inHg

Wind11 mph W

Humidity21%

Visibility6.2 mi

Dew point41°

See detailed hourly forecast

In December, Jeffrey City, WY averages a high of 27.3° and a low of 10.7°. About 0.7 inches of precipitation fall over the month (5 wet days). The record high is 53.8° (2025) and the record low -37.7° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	31.3°	14.5°	18%	49.5° (1999)	-11.6° (1979)
2	31.5°	15.3°	12%	52.9° (2012)	-12.6° (2011)
3	31.3°	14.5°	20%	50.9° (2021)	-7.4° (1978)
4	30.7°	14.4°	13%	46.9° (2021)	-13.7° (2013)
5	30°	12.7°	22%	46.8° (2012)	-32.4° (2013)
6	28.9°	11.7°	10%	47.5° (1981)	-31.5° (2013)
7	28°	13.5°	22%	48.4° (1962)	-27° (2013)
8	27.7°	12.4°	17%	48° (1981)	-24.7° (1978)
9	28.2°	11.3°	13%	48° (1981)	-28.7° (2009)
10	29.5°	13.1°	12%	49.5° (1981)	-23.3° (1972)
11	28.6°	12.6°	5%	47.8° (2025)	-19.7° (1972)
12	29.1°	12.7°	10%	47.8° (2014)	-22.4° (1961)
13	28.8°	12.9°	15%	49.3° (2025)	-17.9° (1963)
14	28°	11.7°	22%	45.9° (1977)	-12.5° (2008)
15	28°	10.6°	13%	51.4° (1980)	-14.1° (1972)
16	27.5°	9.5°	13%	52.9° (1980)	-19.8° (1964)
17	26.6°	11.1°	20%	50.7° (1980)	-33.9° (1964)
18	25.9°	7.9°	13%	42.3° (1969)	-21.3° (1996)
19	26.6°	8.2°	17%	46.9° (2025)	-17.7° (1990)
20	26.2°	9.5°	12%	46.4° (2024)	-24° (1990)
21	25.9°	9.7°	18%	50.5° (2025)	-31° (1990)
22	25.5°	8.6°	17%	53.4° (2025)	-35° (1990)
23	24.6°	8.1°	17%	49.8° (2025)	-37.7° (1990)
24	25.5°	7.9°	15%	53.8° (2025)	-30.8° (1983)
25	26.2°	9.1°	25%	49.8° (2025)	-13.9° (2023)
26	26.1°	9.3°	23%	45.5° (1980)	-10.3° (2002)
27	24.8°	9.5°	22%	52.3° (1980)	-17.7° (2015)
28	24.3°	7.9°	18%	43.5° (1980)	-19.5° (2015)
29	23.4°	7.5°	12%	45.3° (1980)	-21.5° (1990)
30	24.1°	7.7°	15%	52.9° (1980)	-21.5° (1990)
31	23°	5.7°	17%	52.9° (1980)	-26.1° (1978)