Rossmere December Weather Averages Pennsylvania, United States of America

December Weather Averages for Rossmere

High Temp	6°C	42°F
Low Temp	-1°C	30°F
Avg Temp	2°C	36°F
Sunshine Hours	153 hours
Rainfall	123.80 mm	4.87 In
Rain days	7 days
Pressure	1020 mb	31 In

Rossmere December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	3°C / 38°F	-3°C / 26°F	0°C / 32°F	202 hours	134.10 mm / 5.28 In	7 days	1019 mb / 31 In
2010	1°C / 34°F	-5°C / 23°F	-2°C / 28°F	182 hours	72.62 mm / 2.86 In	4 days	1014 mb / 30 In
2011	8°C / 46°F	1°C / 33°F	4°C / 39°F	203 hours	130.72 mm / 5.15 In	6 days	1022 mb / 31 In
2012	7°C / 45°F	1°C / 33°F	4°C / 39°F	156 hours	104.69 mm / 4.12 In	5 days	1017 mb / 31 In
2013	4°C / 40°F	-3°C / 27°F	1°C / 34°F	152 hours	140.73 mm / 5.54 In	10 days	1021 mb / 31 In
2014	6°C / 42°F	0°C / 31°F	2°C / 36°F	126 hours	90.80 mm / 3.57 In	11 days	1021 mb / 31 In
2015	12°C / 53°F	5°C / 41°F	8°C / 47°F	108 hours	99.91 mm / 3.93 In	9 days	1019 mb / 31 In
2016	5°C / 41°F	-2°C / 29°F	1°C / 34°F	142 hours	83.37 mm / 3.28 In	6 days	1022 mb / 31 In
2017	4°C / 38°F	-3°C / 26°F	0°C / 32°F	184 hours	50.31 mm / 1.98 In	7 days	1020 mb / 31 In
2018	7°C / 44°F	0°C / 32°F	3°C / 37°F	163 hours	147.22 mm / 5.80 In	7 days	1020 mb / 31 In
2019	5°C / 42°F	-1°C / 30°F	2°C / 36°F	161 hours	139.09 mm / 5.48 In	12 days	1019 mb / 31 In
2020	5°C / 41°F	-2°C / 28°F	1°C / 34°F	143 hours	169.12 mm / 6.66 In	8 days	1018 mb / 31 In
2021	9°C / 48°F	1°C / 34°F	5°C / 41°F	149 hours	39.10 mm / 1.54 In	6 days	1018 mb / 31 In
2022	6°C / 42°F	-2°C / 28°F	1°C / 34°F	163 hours	100.70 mm / 3.96 In	8 days	1022 mb / 31 In
2023	8°C / 47°F	1°C / 34°F	4°C / 40°F	126 hours	167.54 mm / 6.60 In	8 days	1020 mb / 31 In
2024	4°C / 39°F	-3°C / 26°F	0°C / 32°F	130 hours	251.75 mm / 9.91 In	7 days	1023 mb / 31 In
2025	2°C / 35°F	-5°C / 23°F	-1°C / 29°F	104 hours	182.80 mm / 7.20 In	4 days	1018 mb / 31 In

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