As of 15:54 MDT

Blackhawk, SD weather in December

89°

Blackhawk, Sunday, 9 August, 15:54

Mostly clear. Feels like 86°. High 89°, low 60°.

Pressure29.71 inHg

Wind1 mph NE

Humidity27%

Visibility6.2 mi

Dew point51°

See detailed hourly forecast

In December, Blackhawk, SD averages a high of 35.2° and a low of 18.2°. About 0.8 inches of precipitation fall over the month (5 wet days). The record high is 71.1° (2021) and the record low -35.5° (1989). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	39°	21.9°	23%	71.1° (2021)	-9.6° (1985)
2	38.5°	21.4°	25%	70.5° (2021)	-20.6° (1985)
3	38.8°	21.4°	10%	61.2° (2017)	2.7° (1972)
4	39.6°	21.7°	18%	63.9° (1965)	-4.9° (1972)
5	36.3°	20.1°	18%	59.9° (1987)	-11.4° (1972)
6	35.6°	18.7°	8%	65.8° (2023)	-22° (1972)
7	36.3°	19.8°	15%	64.8° (2024)	-17.1° (2013)
8	36.3°	18.7°	17%	66.7° (2020)	-27° (1972)
9	37°	19.2°	17%	65.3° (2020)	-17.5° (1977)
10	37.4°	19.9°	13%	60.8° (1990)	-12.5° (1972)
11	37.6°	19.6°	10%	62.8° (2004)	-8.9° (1972)
12	37.4°	19.8°	13%	61.5° (2014)	-17.3° (2000)
13	35.6°	19.6°	18%	57.6° (2014)	-10.5° (1985)
14	36.1°	18.3°	20%	59.7° (2021)	-16.2° (1989)
15	35.6°	18.7°	15%	60.4° (2025)	-27.9° (1989)
16	35.4°	19°	17%	61.7° (2025)	-18.6° (1964)
17	35.8°	19.2°	17%	61° (2025)	-20.9° (1964)
18	35.1°	17.4°	13%	63.3° (1979)	-17.7° (2016)
19	34.2°	16.2°	10%	59° (2025)	-17.7° (1989)
20	33.1°	16.5°	10%	55.4° (2020)	-17.1° (1990)
21	33.8°	17.2°	18%	59.4° (2024)	-26.7° (1989)
22	32.5°	17.1°	17%	61° (2025)	-35.5° (1989)
23	32.5°	15.3°	25%	55.2° (1963)	-27.4° (1983)
24	32.5°	16.2°	13%	59° (2025)	-29.4° (1983)
25	34.9°	16.9°	18%	64.2° (2025)	-25.4° (1983)
26	34.9°	17.4°	17%	59.5° (2025)	-21.1° (1996)
27	34.2°	18°	22%	64.2° (1980)	-3.3° (1967)
28	33.1°	16.3°	10%	54.5° (1999)	-10.1° (1990)
29	31.3°	15.1°	17%	56.8° (1965)	-20.6° (1990)
30	31.1°	14°	20%	51.4° (1965)	-23.3° (1990)
31	29.8°	12.7°	22%	56.5° (1963)	-17.9° (1967)