As of 12:36 MDT

Fontenelle, WY weather in December

85°

Fontenelle, Sunday, 9 August, 12:36

Overcast. Feels like 82°. High 86°, low 60°.

Pressure29.80 inHg

Wind7.3 mph W

Humidity19%

Visibility6.2 mi

Dew point38°

See detailed hourly forecast

In December, Fontenelle, WY averages a high of 27.4° and a low of 9.9°. About 0.7 inches of precipitation fall over the month (5 wet days). The record high is 54.5° (1995) and the record low -31.5° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	32.2°	15.1°	23%	54.5° (1995)	-6.3° (1991)
2	31.8°	15.6°	20%	53.1° (2021)	-4.2° (2011)
3	31.6°	14.5°	20%	49.3° (1987)	-8.7° (2006)
4	31.1°	13.8°	20%	48.7° (2021)	-8° (2011)
5	30°	13.3°	23%	46.4° (1987)	-12.5° (2013)
6	29.3°	12°	15%	46° (1981)	-18.9° (1972)
7	28.6°	13.3°	18%	45.3° (1981)	-20° (2013)
8	28.4°	11.5°	23%	45.7° (1981)	-24.9° (1978)
9	28.9°	10.4°	15%	47.8° (2015)	-22.7° (2013)
10	29.1°	12°	10%	48.7° (2025)	-26.1° (1972)
11	28.2°	10.6°	12%	48.4° (2025)	-26° (1961)
12	28.4°	11.7°	15%	47.8° (2025)	-23.6° (1961)
13	28.4°	10.8°	22%	47.5° (2025)	-24° (1967)
14	27.7°	10.6°	20%	44.2° (2021)	-14.8° (1972)
15	27.5°	9.7°	18%	47.5° (1962)	-17.9° (1972)
16	26.8°	9.7°	18%	47.5° (2025)	-11° (1978)
17	26.4°	8.6°	22%	47.1° (2025)	-20.6° (1964)
18	25.5°	8.1°	13%	41.4° (2024)	-18.9° (1964)
19	26.4°	8.1°	13%	45.3° (2025)	-15.3° (2022)
20	25.9°	8.8°	20%	42.3° (1981)	-13.2° (1990)
21	25.9°	9.1°	18%	50.9° (1969)	-24.7° (1990)
22	26.4°	8.2°	18%	51.3° (2025)	-23.8° (2022)
23	24.6°	7.9°	13%	45.7° (2025)	-31.5° (1990)
24	25.7°	8.1°	15%	51.3° (2025)	-19.7° (1990)
25	26.1°	8.1°	20%	47.7° (2025)	-15.7° (1990)
26	25.5°	7.9°	25%	44.2° (2025)	-10.8° (2015)
27	25.3°	6.4°	13%	50° (1980)	-13° (1988)
28	25°	7.2°	15%	42.8° (1980)	-14.3° (2007)
29	24.4°	5.9°	17%	39.7° (2024)	-14.1° (2018)
30	24.6°	6.8°	15%	45.3° (1980)	-27.6° (1978)
31	23°	4.1°	17%	45° (1980)	-31° (1978)