Charleston December Weather Averages South Carolina, United States of America

December Weather Averages for Charleston

High Temp	16°C	61°F
Low Temp	9°C	48°F
Avg Temp	12°C	54°F
Sunshine Hours	195 hours
Rainfall	114.59 mm	4.51 In
Rain days	6 days
Pressure	1021 mb	31 In

Charleston December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	15°C / 59°F	8°C / 46°F	11°C / 52°F	158 hours	248.78 mm / 9.79 In	8 days	1019 mb / 31 In
2010	11°C / 51°F	1°C / 34°F	6°C / 42°F	247 hours	45.64 mm / 1.80 In	5 days	1018 mb / 31 In
2011	17°C / 62°F	9°C / 49°F	13°C / 56°F	229 hours	31.22 mm / 1.23 In	5 days	1023 mb / 31 In
2012	17°C / 62°F	9°C / 49°F	13°C / 56°F	207 hours	76.66 mm / 3.02 In	6 days	1018 mb / 31 In
2013	17°C / 63°F	10°C / 49°F	14°C / 56°F	214 hours	80.04 mm / 3.15 In	7 days	1021 mb / 31 In
2014	16°C / 61°F	8°C / 47°F	12°C / 53°F	216 hours	66.20 mm / 2.61 In	7 days	1021 mb / 31 In
2015	20°C / 68°F	14°C / 57°F	17°C / 62°F	162 hours	132.55 mm / 5.22 In	7 days	1020 mb / 31 In
2016	16°C / 61°F	9°C / 48°F	12°C / 54°F	195 hours	92.90 mm / 3.66 In	7 days	1023 mb / 31 In
2017	14°C / 58°F	8°C / 47°F	11°C / 52°F	191 hours	58.96 mm / 2.32 In	8 days	1021 mb / 31 In
2018	16°C / 61°F	10°C / 49°F	13°C / 55°F	154 hours	215.29 mm / 8.48 In	7 days	1020 mb / 31 In
2019	17°C / 63°F	10°C / 51°F	14°C / 56°F	199 hours	288.55 mm / 11.36 In	10 days	1019 mb / 31 In
2020	15°C / 59°F	7°C / 45°F	11°C / 51°F	237 hours	47.80 mm / 1.88 In	7 days	1020 mb / 31 In
2021	20°C / 69°F	12°C / 54°F	16°C / 60°F	216 hours	50.90 mm / 2.00 In	4 days	1020 mb / 31 In
2022	16°C / 60°F	8°C / 46°F	11°C / 53°F	183 hours	75.57 mm / 2.98 In	5 days	1022 mb / 31 In
2023	17°C / 63°F	10°C / 49°F	13°C / 55°F	183 hours	173.20 mm / 6.82 In	3 days	1021 mb / 31 In
2024	15°C / 59°F	8°C / 47°F	11°C / 53°F	165 hours	75.69 mm / 2.98 In	3 days	1024 mb / 31 In
2025	14°C / 58°F	7°C / 45°F	11°C / 52°F	166 hours	188.10 mm / 7.41 In	7 days	1021 mb / 31 In

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