Boston December Weather Averages Massachusetts, United States of America

December Weather Averages for Boston

High Temp	5°C	42°F
Low Temp	-1°C	31°F
Avg Temp	2°C	36°F
Sunshine Hours	164 hours
Rainfall	141.98 mm	5.59 In
Rain days	8 days
Pressure	1017 mb	31 In

Boston December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	5°C / 41°F	-2°C / 29°F	2°C / 35°F	153 hours	195.84 mm / 7.71 In	11 days	1018 mb / 31 In
2009	3°C / 37°F	-3°C / 27°F	0°C / 32°F	179 hours	160.66 mm / 6.33 In	9 days	1016 mb / 30 In
2010	2°C / 35°F	-3°C / 26°F	-1°C / 31°F	151 hours	119.29 mm / 4.70 In	9 days	1008 mb / 30 In
2011	7°C / 45°F	1°C / 33°F	4°C / 39°F	211 hours	107.58 mm / 4.24 In	6 days	1020 mb / 31 In
2012	6°C / 43°F	0°C / 33°F	3°C / 38°F	147 hours	160.37 mm / 6.31 In	10 days	1015 mb / 30 In
2013	3°C / 38°F	-3°C / 27°F	0°C / 33°F	146 hours	147.92 mm / 5.82 In	11 days	1019 mb / 31 In
2014	6°C / 42°F	0°C / 33°F	3°C / 38°F	96 hours	139.38 mm / 5.49 In	10 days	1019 mb / 31 In
2015	10°C / 50°F	4°C / 39°F	7°C / 44°F	119 hours	124.36 mm / 4.90 In	7 days	1019 mb / 31 In
2016	4°C / 40°F	-2°C / 29°F	1°C / 34°F	191 hours	92.60 mm / 3.65 In	8 days	1018 mb / 31 In
2017	2°C / 36°F	-4°C / 25°F	-1°C / 30°F	166 hours	80.88 mm / 3.18 In	9 days	1017 mb / 31 In
2018	5°C / 42°F	-1°C / 30°F	2°C / 36°F	225 hours	92.08 mm / 3.63 In	5 days	1019 mb / 31 In
2019	4°C / 40°F	-2°C / 29°F	1°C / 35°F	164 hours	229.68 mm / 9.04 In	12 days	1017 mb / 31 In
2020	5°C / 41°F	-1°C / 31°F	2°C / 36°F	127 hours	204.12 mm / 8.04 In	7 days	1015 mb / 30 In
2021	7°C / 45°F	1°C / 33°F	4°C / 39°F	150 hours	61.30 mm / 2.41 In	7 days	1016 mb / 30 In
2022	7°C / 44°F	0°C / 32°F	3°C / 38°F	210 hours	124.49 mm / 4.90 In	6 days	1020 mb / 31 In
2023	8°C / 46°F	2°C / 36°F	5°C / 41°F	160 hours	151.32 mm / 5.96 In	6 days	1019 mb / 31 In
2024	4°C / 40°F	-1°C / 30°F	1°C / 35°F	180 hours	275.69 mm / 10.85 In	7 days	1021 mb / 31 In

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