Castletown December Weather Averages Isle of Man

December Weather Averages for Castletown

High Temp	10°C	49°F
Low Temp	8°C	46°F
Avg Temp	9°C	48°F
Sunshine Hours	77 hours
Rainfall	136.37 mm	5.37 In
Rain days	12 days
Pressure	1010 mb	30 In

Castletown December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	9°C / 48°F	7°C / 44°F	8°C / 46°F	146 hours	96.67 mm / 3.81 In	9 days	1017 mb / 31 In
2009	9°C / 48°F	7°C / 44°F	8°C / 46°F	106 hours	134.89 mm / 5.31 In	15 days	1005 mb / 30 In
2010	7°C / 44°F	5°C / 40°F	6°C / 43°F	118 hours	72.70 mm / 2.86 In	7 days	1016 mb / 30 In
2011	10°C / 50°F	8°C / 46°F	9°C / 48°F	46 hours	117.10 mm / 4.61 In	12 days	1007 mb / 30 In
2012	9°C / 49°F	7°C / 45°F	8°C / 47°F	118 hours	146.60 mm / 5.77 In	11 days	1004 mb / 30 In
2013	10°C / 51°F	9°C / 48°F	10°C / 49°F	126 hours	127.68 mm / 5.03 In	11 days	1007 mb / 30 In
2014	10°C / 50°F	8°C / 47°F	9°C / 48°F	105 hours	95.30 mm / 3.75 In	9 days	1016 mb / 30 In
2015	12°C / 53°F	9°C / 48°F	10°C / 51°F	56 hours	248.82 mm / 9.80 In	15 days	1010 mb / 30 In
2016	11°C / 51°F	9°C / 49°F	10°C / 50°F	56 hours	63.04 mm / 2.48 In	9 days	1023 mb / 31 In
2017	10°C / 49°F	8°C / 46°F	9°C / 48°F	66 hours	112.60 mm / 4.43 In	10 days	1011 mb / 30 In
2018	11°C / 51°F	9°C / 48°F	10°C / 50°F	66 hours	134.80 mm / 5.31 In	12 days	1012 mb / 30 In
2019	10°C / 49°F	8°C / 46°F	9°C / 48°F	88 hours	110.67 mm / 4.36 In	11 days	1004 mb / 30 In
2020	9°C / 48°F	6°C / 43°F	8°C / 46°F	29 hours	168.67 mm / 6.64 In	18 days	1000 mb / 30 In
2021	10°C / 49°F	8°C / 46°F	9°C / 48°F	86 hours	172.79 mm / 6.80 In	14 days	1010 mb / 30 In
2022	9°C / 47°F	6°C / 43°F	8°C / 46°F	50 hours	152.95 mm / 6.02 In	14 days	1009 mb / 30 In
2023	10°C / 50°F	8°C / 46°F	9°C / 48°F	43 hours	221.18 mm / 8.71 In	12 days	1006 mb / 30 In
2024	10°C / 51°F	8°C / 46°F	9°C / 48°F	65 hours	102.08 mm / 4.02 In	10 days	1020 mb / 31 In

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