Snowdonia May Weather Averages Gwynedd, United Kingdom

May Weather Averages for Snowdonia

High Temp	14°C	56°F
Low Temp	6°C	43°F
Avg Temp	10°C	50°F
Sunshine Hours	102 hours
Rainfall	99.65 mm	3.92 In
Rain days	11 days
Pressure	1016 mb	30 In

Snowdonia May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	13°C / 56°F	7°C / 45°F	10°C / 50°F	121 hours	113.70 mm / 4.48 In	15 days	1016 mb / 30 In
2010	13°C / 55°F	6°C / 42°F	9°C / 49°F	141 hours	50.98 mm / 2.01 In	5 days	1018 mb / 31 In
2011	13°C / 55°F	7°C / 44°F	10°C / 50°F	85 hours	124.90 mm / 4.92 In	18 days	1016 mb / 30 In
2012	14°C / 57°F	6°C / 43°F	10°C / 50°F	126 hours	74.47 mm / 2.93 In	10 days	1017 mb / 31 In
2013	12°C / 54°F	4°C / 40°F	8°C / 47°F	107 hours	98.92 mm / 3.89 In	12 days	1012 mb / 30 In
2014	14°C / 57°F	7°C / 44°F	10°C / 51°F	48 hours	176.27 mm / 6.94 In	18 days	1014 mb / 30 In
2015	11°C / 53°F	5°C / 41°F	8°C / 47°F	42 hours	168.06 mm / 6.62 In	14 days	1013 mb / 30 In
2016	15°C / 59°F	7°C / 44°F	11°C / 51°F	103 hours	76.63 mm / 3.02 In	11 days	1015 mb / 30 In
2017	16°C / 60°F	7°C / 45°F	11°C / 53°F	132 hours	63.75 mm / 2.51 In	9 days	1016 mb / 30 In
2018	15°C / 60°F	7°C / 44°F	11°C / 52°F	128 hours	80.41 mm / 3.17 In	10 days	1018 mb / 31 In
2019	13°C / 55°F	6°C / 42°F	9°C / 49°F	93 hours	68.87 mm / 2.71 In	9 days	1017 mb / 31 In
2020	14°C / 57°F	6°C / 43°F	10°C / 50°F	155 hours	20.02 mm / 0.79 In	3 days	1022 mb / 31 In
2021	11°C / 51°F	5°C / 40°F	8°C / 46°F	34 hours	232.01 mm / 9.13 In	21 days	1009 mb / 30 In
2022	13°C / 56°F	8°C / 46°F	10°C / 51°F	39 hours	96.60 mm / 3.80 In	16 days	1018 mb / 31 In
2023	15°C / 59°F	7°C / 45°F	11°C / 52°F	159 hours	59.25 mm / 2.33 In	6 days	1024 mb / 31 In
2024	14°C / 58°F	8°C / 47°F	11°C / 52°F	57 hours	101.51 mm / 4.00 In	6 days	1013 mb / 30 In
2025	15°C / 59°F	7°C / 44°F	11°C / 52°F	171 hours	87.77 mm / 3.46 In	3 days	1019 mb / 31 In

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