As of 12:31 CDT

Groton, SD weather in December

76°

Groton, Sunday, 9 August, 12:31

Mostly clear. Feels like 76°. High 82°, low 62°.

Pressure29.85 inHg

Wind13.2 mph NE

Humidity46%

Visibility6.2 mi

Dew point54°

See detailed hourly forecast

In December, Groton, SD averages a high of 26.1° and a low of 11.9°. About 0.9 inches of precipitation fall over the month (5 wet days). The record high is 57.7° (1998) and the record low -37.5° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	31.5°	18.5°	25%	57.7° (1998)	-15.3° (2014)
2	30.2°	16.7°	20%	55.6° (1998)	-16.8° (1985)
3	30.4°	16.5°	13%	52.9° (2012)	-16.6° (1985)
4	31.3°	16.9°	17%	46.2° (1995)	-11° (2025)
5	29.1°	14.9°	15%	48.6° (1979)	-10.3° (1972)
6	27.5°	12.7°	12%	49.8° (2023)	-25.2° (1972)
7	27.7°	14.7°	18%	52.5° (2023)	-17.5° (2013)
8	28.2°	14.4°	17%	50.4° (2020)	-15.2° (1972)
9	27.7°	13.3°	17%	50.5° (1990)	-22.5° (1977)
10	27.9°	12.7°	8%	50° (1979)	-23.3° (1972)
11	27.7°	12.7°	15%	45.7° (1998)	-15.2° (2013)
12	27.3°	12.9°	10%	46.6° (1980)	-20.4° (2000)
13	27.3°	13.5°	17%	48.6° (2014)	-20.6° (1985)
14	27.9°	13.6°	20%	49.1° (1998)	-18.4° (1985)
15	26.8°	13.8°	28%	46.6° (2018)	-25.4° (2008)
16	26.8°	12.9°	17%	50.4° (1962)	-29° (2008)
17	25.3°	12.2°	15%	46.2° (1962)	-23.1° (1983)
18	25.3°	10.2°	17%	51.4° (1979)	-29.7° (2016)
19	24.8°	9.1°	15%	46.8° (2018)	-25.8° (1983)
20	24.1°	10°	15%	43.3° (1979)	-23.4° (1983)
21	24.4°	9.5°	15%	45.1° (1979)	-26.7° (1983)
22	23.9°	11.1°	15%	48.4° (2020)	-32.8° (1983)
23	23.2°	8.2°	25%	50.4° (2023)	-37.5° (1983)
24	23°	7.7°	13%	46° (2023)	-30.5° (1983)
25	24.3°	8.6°	20%	47.1° (1999)	-23.6° (1996)
26	24.4°	9.9°	15%	50° (2011)	-26.3° (1996)
27	26.6°	11.7°	15%	44.6° (1980)	-19.3° (1993)
28	24.8°	11.1°	18%	46.6° (1999)	-19.5° (1993)
29	21°	7.5°	18%	51.3° (1999)	-19.5° (2021)
30	20.8°	6.6°	35%	45.3° (1980)	-29° (1990)
31	18.9°	3.4°	15%	42.6° (1999)	-34.1° (1967)