Greenbelt December Weather Averages Maryland, United States of America

December Weather Averages for Greenbelt

High Temp	8°C	47°F
Low Temp	1°C	35°F
Avg Temp	5°C	40°F
Sunshine Hours	182 hours
Rainfall	120.64 mm	4.75 In
Rain days	7 days
Pressure	1020 mb	31 In

Greenbelt December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	8°C / 46°F	0°C / 33°F	4°C / 39°F	193 hours	107.51 mm / 4.23 In	8 days	1021 mb / 31 In
2009	5°C / 42°F	-1°C / 30°F	2°C / 36°F	212 hours	191.47 mm / 7.54 In	7 days	1019 mb / 31 In
2010	3°C / 37°F	-4°C / 25°F	-1°C / 30°F	199 hours	74.49 mm / 2.93 In	5 days	1015 mb / 30 In
2011	10°C / 50°F	3°C / 37°F	6°C / 43°F	239 hours	145.38 mm / 5.72 In	4 days	1022 mb / 31 In
2012	10°C / 49°F	3°C / 37°F	6°C / 43°F	187 hours	86.87 mm / 3.42 In	6 days	1017 mb / 31 In
2013	8°C / 46°F	1°C / 33°F	4°C / 39°F	176 hours	165.90 mm / 6.53 In	8 days	1021 mb / 31 In
2014	8°C / 46°F	1°C / 35°F	4°C / 40°F	149 hours	90.70 mm / 3.57 In	10 days	1022 mb / 31 In
2015	14°C / 57°F	7°C / 45°F	10°C / 50°F	142 hours	121.93 mm / 4.80 In	9 days	1019 mb / 31 In
2016	8°C / 46°F	0°C / 33°F	4°C / 39°F	189 hours	64.69 mm / 2.55 In	6 days	1022 mb / 31 In
2017	7°C / 44°F	0°C / 32°F	3°C / 38°F	204 hours	37.90 mm / 1.49 In	5 days	1020 mb / 31 In
2018	9°C / 48°F	2°C / 36°F	5°C / 42°F	156 hours	153.11 mm / 6.03 In	9 days	1020 mb / 31 In
2019	8°C / 47°F	2°C / 36°F	5°C / 41°F	181 hours	100.20 mm / 3.94 In	11 days	1019 mb / 31 In
2020	8°C / 46°F	1°C / 34°F	4°C / 39°F	187 hours	199.37 mm / 7.85 In	5 days	1018 mb / 31 In
2021	12°C / 54°F	4°C / 39°F	8°C / 46°F	184 hours	38.00 mm / 1.50 In	4 days	1019 mb / 31 In
2022	8°C / 46°F	0°C / 32°F	4°C / 38°F	175 hours	114.30 mm / 4.50 In	6 days	1022 mb / 31 In
2023	10°C / 50°F	3°C / 38°F	7°C / 44°F	165 hours	174.16 mm / 6.86 In	7 days	1021 mb / 31 In
2024	7°C / 44°F	0°C / 33°F	3°C / 38°F	169 hours	171.79 mm / 6.76 In	5 days	1023 mb / 31 In

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