Lewistown December Weather Averages Montana, United States of America

December Weather Averages for Lewistown

High Temp	-1°C	31°F
Low Temp	-9°C	16°F
Avg Temp	-5°C	23°F
Sunshine Hours	189 hours
Rainfall	30.16 mm	1.19 In
Rain days	8 days
Pressure	1019 mb	31 In

Lewistown December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	-5°C / 24°F	-14°C / 7°F	-9°C / 15°F	124 hours	51.05 mm / 2.01 In	13 days	1020 mb / 31 In
2009	-6°C / 22°F	-14°C / 6°F	-10°C / 13°F	126 hours	26.80 mm / 1.06 In	9 days	1024 mb / 31 In
2010	-2°C / 29°F	-11°C / 12°F	-7°C / 20°F	166 hours	44.24 mm / 1.74 In	7 days	1019 mb / 31 In
2011	1°C / 34°F	-8°C / 18°F	-4°C / 25°F	246 hours	15.57 mm / 0.61 In	6 days	1022 mb / 31 In
2012	-1°C / 31°F	-9°C / 16°F	-5°C / 22°F	185 hours	12.80 mm / 0.50 In	9 days	1015 mb / 30 In
2013	-3°C / 26°F	-13°C / 8°F	-8°C / 18°F	159 hours	42.69 mm / 1.68 In	11 days	1023 mb / 31 In
2014	1°C / 33°F	-7°C / 20°F	-3°C / 27°F	168 hours	31.20 mm / 1.23 In	7 days	1019 mb / 31 In
2015	-1°C / 30°F	-8°C / 18°F	-4°C / 24°F	174 hours	36.40 mm / 1.43 In	6 days	1016 mb / 30 In
2016	-6°C / 21°F	-14°C / 6°F	-10°C / 13°F	184 hours	16.60 mm / 0.65 In	10 days	1023 mb / 31 In
2017	-1°C / 29°F	-9°C / 15°F	-6°C / 22°F	207 hours	50.70 mm / 2.00 In	9 days	1026 mb / 31 In
2018	2°C / 35°F	-6°C / 22°F	-2°C / 28°F	246 hours	11.60 mm / 0.46 In	3 days	1020 mb / 31 In
2019	2°C / 36°F	-5°C / 24°F	-1°C / 29°F	227 hours	14.50 mm / 0.57 In	7 days	1016 mb / 30 In
2020	4°C / 39°F	-4°C / 26°F	0°C / 32°F	223 hours	16.17 mm / 0.64 In	6 days	1018 mb / 31 In
2021	-2°C / 29°F	-11°C / 12°F	-6°C / 20°F	137 hours	38.00 mm / 1.50 In	12 days	1013 mb / 30 In
2022	-6°C / 22°F	-14°C / 7°F	-10°C / 15°F	128 hours	37.70 mm / 1.48 In	14 days	1021 mb / 31 In
2023	6°C / 43°F	-2°C / 28°F	1°C / 35°F	278 hours	17.21 mm / 0.68 In	3 days	1016 mb / 30 In
2024	3°C / 37°F	-3°C / 26°F	-1°C / 31°F	176 hours	70.35 mm / 2.77 In	2 days	1019 mb / 31 In

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