Johnstown December Weather Averages Pennsylvania, United States of America

December Weather Averages for Johnstown

High Temp	3°C	38°F
Low Temp	-3°C	26°F
Avg Temp	0°C	32°F
Sunshine Hours	82 hours
Rainfall	129.07 mm	5.08 In
Rain days	12 days
Pressure	1020 mb	31 In

Johnstown December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	1°C / 33°F	-6°C / 21°F	-3°C / 27°F	99 hours	125.13 mm / 4.93 In	11 days	1019 mb / 31 In
2010	-3°C / 27°F	-9°C / 16°F	-6°C / 21°F	33 hours	63.63 mm / 2.51 In	12 days	1017 mb / 30 In
2011	5°C / 41°F	-2°C / 29°F	1°C / 34°F	152 hours	104.24 mm / 4.10 In	9 days	1022 mb / 31 In
2012	5°C / 41°F	-1°C / 30°F	2°C / 35°F	75 hours	176.74 mm / 6.96 In	18 days	1017 mb / 30 In
2013	2°C / 36°F	-4°C / 24°F	-1°C / 30°F	75 hours	146.81 mm / 5.78 In	17 days	1020 mb / 31 In
2014	3°C / 37°F	-3°C / 27°F	0°C / 32°F	100 hours	77.60 mm / 3.06 In	10 days	1022 mb / 31 In
2015	10°C / 49°F	3°C / 37°F	6°C / 43°F	57 hours	113.22 mm / 4.46 In	12 days	1018 mb / 31 In
2016	2°C / 36°F	-5°C / 24°F	-1°C / 30°F	60 hours	114.20 mm / 4.50 In	13 days	1022 mb / 31 In
2017	1°C / 33°F	-6°C / 22°F	-3°C / 27°F	110 hours	58.40 mm / 2.30 In	12 days	1020 mb / 31 In
2018	4°C / 39°F	-3°C / 27°F	0°C / 32°F	83 hours	130.28 mm / 5.13 In	13 days	1020 mb / 31 In
2019	4°C / 39°F	-3°C / 27°F	0°C / 33°F	107 hours	132.48 mm / 5.22 In	15 days	1018 mb / 31 In
2020	2°C / 36°F	-4°C / 24°F	-1°C / 30°F	41 hours	116.53 mm / 4.59 In	14 days	1018 mb / 31 In
2021	8°C / 46°F	0°C / 32°F	3°C / 38°F	104 hours	121.00 mm / 4.76 In	7 days	1018 mb / 31 In
2022	3°C / 38°F	-4°C / 25°F	-1°C / 30°F	88 hours	83.10 mm / 3.27 In	12 days	1021 mb / 31 In
2023	7°C / 44°F	-1°C / 31°F	3°C / 37°F	104 hours	132.39 mm / 5.21 In	10 days	1021 mb / 31 In
2024	2°C / 35°F	-3°C / 27°F	-1°C / 31°F	50 hours	305.75 mm / 12.04 In	6 days	1023 mb / 31 In
2025	1°C / 33°F	-5°C / 22°F	-2°C / 28°F	50 hours	192.70 mm / 7.59 In	5 days	1018 mb / 31 In

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