Spearfish December Weather Averages South Dakota, United States of America

December Weather Averages for Spearfish

High Temp	1°C	34°F
Low Temp	-8°C	18°F
Avg Temp	-4°C	25°F
Sunshine Hours	203 hours
Rainfall	31.10 mm	1.22 In
Rain days	6 days
Pressure	1019 mb	31 In

Spearfish December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	-2°C / 28°F	-12°C / 10°F	-7°C / 19°F	156 hours	29.60 mm / 1.17 In	9 days	1019 mb / 31 In
2009	-5°C / 23°F	-13°C / 9°F	-9°C / 16°F	119 hours	50.70 mm / 2.00 In	8 days	1022 mb / 31 In
2010	0°C / 32°F	-9°C / 15°F	-5°C / 23°F	166 hours	23.00 mm / 0.91 In	6 days	1019 mb / 31 In
2011	2°C / 35°F	-7°C / 19°F	-3°C / 26°F	264 hours	20.30 mm / 0.80 In	4 days	1022 mb / 31 In
2012	1°C / 34°F	-8°C / 18°F	-4°C / 25°F	206 hours	17.09 mm / 0.67 In	8 days	1016 mb / 30 In
2013	-2°C / 28°F	-12°C / 11°F	-7°C / 19°F	187 hours	32.20 mm / 1.27 In	11 days	1022 mb / 31 In
2014	2°C / 36°F	-7°C / 20°F	-3°C / 27°F	235 hours	34.80 mm / 1.37 In	6 days	1020 mb / 31 In
2015	1°C / 33°F	-6°C / 21°F	-3°C / 26°F	244 hours	26.60 mm / 1.05 In	5 days	1016 mb / 30 In
2016	-5°C / 22°F	-14°C / 8°F	-10°C / 15°F	235 hours	39.29 mm / 1.55 In	5 days	1023 mb / 31 In
2017	0°C / 32°F	-8°C / 17°F	-4°C / 24°F	168 hours	28.50 mm / 1.12 In	8 days	1025 mb / 31 In
2018	2°C / 35°F	-7°C / 20°F	-3°C / 27°F	215 hours	43.00 mm / 1.69 In	8 days	1021 mb / 31 In
2019	2°C / 36°F	-6°C / 22°F	-2°C / 28°F	234 hours	14.80 mm / 0.58 In	7 days	1017 mb / 31 In
2020	5°C / 41°F	-4°C / 25°F	0°C / 32°F	213 hours	12.40 mm / 0.49 In	5 days	1019 mb / 31 In
2021	3°C / 38°F	-7°C / 20°F	-2°C / 28°F	189 hours	20.90 mm / 0.82 In	7 days	1012 mb / 30 In
2022	-2°C / 28°F	-12°C / 11°F	-7°C / 19°F	157 hours	48.00 mm / 1.89 In	9 days	1019 mb / 31 In
2023	6°C / 43°F	-3°C / 26°F	1°C / 33°F	229 hours	22.72 mm / 0.89 In	5 days	1018 mb / 31 In
2024	5°C / 41°F	-3°C / 27°F	0°C / 33°F	189 hours	63.23 mm / 2.49 In	1 days	1019 mb / 31 In

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