Greenwich December Weather Averages Connecticut, United States of America

December Weather Averages for Greenwich

High Temp	6°C	43°F
Low Temp	1°C	34°F
Avg Temp	3°C	38°F
Sunshine Hours	163 hours
Rainfall	149.85 mm	5.90 In
Rain days	8 days
Pressure	1019 mb	31 In

Greenwich December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	6°C / 42°F	-1°C / 30°F	3°C / 37°F	146 hours	199.93 mm / 7.87 In	9 days	1019 mb / 31 In
2009	4°C / 39°F	-2°C / 29°F	1°C / 34°F	201 hours	202.52 mm / 7.97 In	9 days	1018 mb / 31 In
2010	2°C / 35°F	-3°C / 27°F	-1°C / 31°F	173 hours	128.34 mm / 5.05 In	5 days	1011 mb / 30 In
2011	8°C / 46°F	3°C / 37°F	5°C / 42°F	215 hours	134.04 mm / 5.28 In	7 days	1021 mb / 31 In
2012	8°C / 46°F	2°C / 36°F	5°C / 41°F	164 hours	130.16 mm / 5.12 In	10 days	1016 mb / 30 In
2013	5°C / 41°F	0°C / 31°F	2°C / 36°F	131 hours	131.66 mm / 5.18 In	10 days	1020 mb / 31 In
2014	6°C / 43°F	1°C / 34°F	4°C / 39°F	115 hours	121.60 mm / 4.79 In	9 days	1020 mb / 31 In
2015	11°C / 52°F	6°C / 43°F	8°C / 47°F	108 hours	121.65 mm / 4.79 In	7 days	1019 mb / 31 In
2016	5°C / 41°F	0°C / 32°F	3°C / 37°F	148 hours	91.97 mm / 3.62 In	9 days	1020 mb / 31 In
2017	4°C / 38°F	-1°C / 30°F	1°C / 34°F	161 hours	53.72 mm / 2.12 In	6 days	1019 mb / 31 In
2018	6°C / 44°F	2°C / 35°F	4°C / 39°F	189 hours	167.88 mm / 6.61 In	7 days	1020 mb / 31 In
2019	5°C / 41°F	0°C / 32°F	3°C / 37°F	157 hours	183.00 mm / 7.20 In	12 days	1018 mb / 31 In
2020	5°C / 42°F	0°C / 32°F	3°C / 37°F	156 hours	190.96 mm / 7.52 In	10 days	1017 mb / 30 In
2021	8°C / 47°F	3°C / 37°F	6°C / 42°F	167 hours	50.70 mm / 2.00 In	4 days	1017 mb / 31 In
2022	6°C / 43°F	0°C / 32°F	3°C / 38°F	191 hours	109.50 mm / 4.31 In	9 days	1021 mb / 31 In
2023	8°C / 47°F	3°C / 38°F	6°C / 42°F	164 hours	193.07 mm / 7.60 In	5 days	1019 mb / 31 In
2024	5°C / 41°F	-1°C / 31°F	2°C / 36°F	167 hours	386.77 mm / 15.23 In	7 days	1022 mb / 31 In

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