Snowdonia December Weather Averages Gwynedd, United Kingdom

December Weather Averages for Snowdonia

High Temp	7°C	44°F
Low Temp	3°C	37°F
Avg Temp	5°C	41°F
Sunshine Hours	48 hours
Rainfall	181.46 mm	7.14 In
Rain days	14 days
Pressure	1012 mb	30 In

Snowdonia December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	5°C / 41°F	2°C / 35°F	3°C / 38°F	32 hours	111.31 mm / 4.38 In	12 days	1005 mb / 30 In
2010	2°C / 35°F	-3°C / 26°F	-1°C / 31°F	110 hours	36.73 mm / 1.45 In	6 days	1016 mb / 30 In
2011	7°C / 45°F	4°C / 39°F	6°C / 42°F	20 hours	187.00 mm / 7.36 In	15 days	1009 mb / 30 In
2012	6°C / 43°F	2°C / 36°F	4°C / 40°F	49 hours	212.64 mm / 8.37 In	17 days	1006 mb / 30 In
2013	8°C / 46°F	4°C / 39°F	6°C / 43°F	69 hours	202.34 mm / 7.97 In	15 days	1010 mb / 30 In
2014	7°C / 44°F	3°C / 38°F	5°C / 41°F	69 hours	143.20 mm / 5.64 In	14 days	1018 mb / 31 In
2015	10°C / 50°F	6°C / 42°F	8°C / 46°F	16 hours	423.06 mm / 16.66 In	21 days	1013 mb / 30 In
2016	8°C / 46°F	4°C / 38°F	6°C / 42°F	53 hours	73.87 mm / 2.91 In	10 days	1025 mb / 31 In
2017	7°C / 44°F	3°C / 37°F	5°C / 41°F	34 hours	117.39 mm / 4.62 In	11 days	1013 mb / 30 In
2018	8°C / 47°F	5°C / 41°F	6°C / 44°F	26 hours	191.91 mm / 7.56 In	15 days	1014 mb / 30 In
2019	7°C / 44°F	3°C / 38°F	5°C / 41°F	32 hours	148.85 mm / 5.86 In	12 days	1006 mb / 30 In
2020	6°C / 42°F	2°C / 35°F	4°C / 39°F	13 hours	250.99 mm / 9.88 In	18 days	1001 mb / 30 In
2021	7°C / 45°F	3°C / 38°F	5°C / 42°F	94 hours	195.36 mm / 7.69 In	14 days	1011 mb / 30 In
2022	5°C / 41°F	2°C / 35°F	3°C / 38°F	95 hours	171.11 mm / 6.74 In	13 days	1010 mb / 30 In
2023	7°C / 45°F	4°C / 40°F	6°C / 43°F	28 hours	277.47 mm / 10.92 In	14 days	1009 mb / 30 In
2024	8°C / 46°F	4°C / 40°F	6°C / 43°F	26 hours	160.20 mm / 6.31 In	12 days	1022 mb / 31 In

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