Grinnell December Weather Averages Iowa, United States of America

December Weather Averages for Grinnell

High Temp	2°C	35°F
Low Temp	-5°C	23°F
Avg Temp	-2°C	29°F
Sunshine Hours	157 hours
Rainfall	53.13 mm	2.09 In
Rain days	6 days
Pressure	1019 mb	31 In

Grinnell December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	-1°C / 29°F	-12°C / 11°F	-6°C / 20°F	133 hours	60.30 mm / 2.37 In	9 days	1019 mb / 31 In
2009	-2°C / 28°F	-9°C / 15°F	-6°C / 22°F	85 hours	80.90 mm / 3.19 In	11 days	1018 mb / 31 In
2010	-3°C / 27°F	-10°C / 15°F	-6°C / 21°F	100 hours	25.50 mm / 1.00 In	5 days	1021 mb / 31 In
2011	3°C / 38°F	-3°C / 26°F	0°C / 32°F	224 hours	70.40 mm / 2.77 In	5 days	1021 mb / 31 In
2012	2°C / 36°F	-5°C / 24°F	-1°C / 30°F	141 hours	49.96 mm / 1.97 In	7 days	1017 mb / 31 In
2013	-3°C / 26°F	-11°C / 12°F	-7°C / 19°F	148 hours	28.60 mm / 1.13 In	9 days	1022 mb / 31 In
2014	2°C / 35°F	-4°C / 25°F	-1°C / 30°F	119 hours	27.90 mm / 1.10 In	3 days	1023 mb / 31 In
2015	5°C / 41°F	-1°C / 30°F	2°C / 36°F	146 hours	136.90 mm / 5.39 In	7 days	1015 mb / 30 In
2016	-1°C / 31°F	-7°C / 19°F	-4°C / 25°F	167 hours	46.90 mm / 1.85 In	7 days	1022 mb / 31 In
2017	0°C / 32°F	-6°C / 20°F	-3°C / 26°F	184 hours	13.00 mm / 0.51 In	5 days	1022 mb / 31 In
2018	3°C / 37°F	-3°C / 26°F	-1°C / 31°F	191 hours	64.00 mm / 2.52 In	5 days	1019 mb / 31 In
2019	4°C / 39°F	-4°C / 25°F	0°C / 32°F	202 hours	28.80 mm / 1.13 In	4 days	1017 mb / 31 In
2020	2°C / 35°F	-6°C / 22°F	-2°C / 28°F	222 hours	45.94 mm / 1.81 In	3 days	1018 mb / 31 In
2021	6°C / 43°F	-2°C / 28°F	2°C / 35°F	231 hours	33.60 mm / 1.32 In	4 days	1014 mb / 30 In
2022	0°C / 33°F	-8°C / 18°F	-4°C / 25°F	133 hours	48.20 mm / 1.90 In	10 days	1019 mb / 31 In
2023	6°C / 43°F	0°C / 31°F	3°C / 37°F	128 hours	65.63 mm / 2.58 In	8 days	1018 mb / 31 In
2024	1°C / 33°F	-4°C / 25°F	-2°C / 29°F	96 hours	83.92 mm / 3.30 In	3 days	1022 mb / 31 In

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