Watertown December Weather Averages Massachusetts, United States of America

December Weather Averages for Watertown

High Temp	5°C	41°F
Low Temp	-1°C	29°F
Avg Temp	2°C	35°F
Sunshine Hours	170 hours
Rainfall	123.88 mm	4.88 In
Rain days	8 days
Pressure	1017 mb	31 In

Watertown December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	4°C / 40°F	-3°C / 27°F	1°C / 34°F	151 hours	165.15 mm / 6.50 In	11 days	1018 mb / 31 In
2009	2°C / 36°F	-4°C / 25°F	-1°C / 30°F	183 hours	120.20 mm / 4.73 In	9 days	1016 mb / 30 In
2010	2°C / 35°F	-4°C / 25°F	-1°C / 29°F	163 hours	98.20 mm / 3.87 In	8 days	1008 mb / 30 In
2011	7°C / 44°F	0°C / 33°F	3°C / 38°F	224 hours	87.99 mm / 3.46 In	5 days	1020 mb / 31 In
2012	6°C / 42°F	0°C / 32°F	3°C / 37°F	156 hours	138.20 mm / 5.44 In	11 days	1015 mb / 30 In
2013	3°C / 37°F	-3°C / 26°F	0°C / 31°F	151 hours	121.30 mm / 4.78 In	11 days	1019 mb / 31 In
2014	5°C / 41°F	0°C / 32°F	2°C / 36°F	120 hours	125.30 mm / 4.93 In	8 days	1019 mb / 31 In
2015	10°C / 49°F	3°C / 38°F	6°C / 43°F	124 hours	93.50 mm / 3.68 In	7 days	1019 mb / 31 In
2016	4°C / 39°F	-2°C / 28°F	1°C / 33°F	204 hours	82.60 mm / 3.25 In	7 days	1018 mb / 31 In
2017	2°C / 35°F	-5°C / 24°F	-2°C / 29°F	178 hours	65.20 mm / 2.57 In	8 days	1017 mb / 31 In
2018	5°C / 41°F	-1°C / 30°F	2°C / 35°F	232 hours	72.24 mm / 2.84 In	5 days	1019 mb / 31 In
2019	4°C / 39°F	-3°C / 27°F	1°C / 33°F	171 hours	197.03 mm / 7.76 In	12 days	1017 mb / 31 In
2020	5°C / 40°F	-2°C / 29°F	1°C / 35°F	135 hours	176.46 mm / 6.95 In	6 days	1016 mb / 30 In
2021	7°C / 44°F	0°C / 32°F	3°C / 38°F	151 hours	52.89 mm / 2.08 In	9 days	1016 mb / 30 In
2022	6°C / 43°F	-1°C / 31°F	2°C / 36°F	206 hours	123.23 mm / 4.85 In	7 days	1020 mb / 31 In
2023	8°C / 46°F	1°C / 34°F	4°C / 40°F	153 hours	148.15 mm / 5.83 In	7 days	1019 mb / 31 In
2024	4°C / 39°F	-2°C / 28°F	1°C / 33°F	175 hours	279.66 mm / 11.01 In	6 days	1021 mb / 31 In

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