Charleston May Weather Averages South Carolina, United States of America

May Weather Averages for Charleston

High Temp	26°C	79°F
Low Temp	20°C	67°F
Avg Temp	23°C	73°F
Sunshine Hours	237 hours
Rainfall	102.50 mm	4.04 In
Rain days	8 days
Pressure	1017 mb	31 In

Charleston May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	26°C / 80°F	19°C / 66°F	22°C / 72°F	298 hours	73.06 mm / 2.88 In	7 days	1014 mb / 30 In
2009	26°C / 79°F	20°C / 68°F	23°C / 73°F	155 hours	163.75 mm / 6.45 In	11 days	1017 mb / 31 In
2010	26°C / 80°F	20°C / 68°F	23°C / 74°F	279 hours	73.19 mm / 2.88 In	7 days	1017 mb / 31 In
2011	26°C / 79°F	19°C / 67°F	22°C / 72°F	305 hours	23.31 mm / 0.92 In	8 days	1015 mb / 30 In
2012	26°C / 79°F	20°C / 69°F	23°C / 73°F	242 hours	139.40 mm / 5.49 In	16 days	1015 mb / 30 In
2013	25°C / 76°F	18°C / 65°F	21°C / 70°F	247 hours	96.99 mm / 3.82 In	7 days	1018 mb / 31 In
2014	26°C / 80°F	19°C / 67°F	23°C / 73°F	273 hours	87.77 mm / 3.46 In	5 days	1018 mb / 31 In
2015	26°C / 78°F	20°C / 68°F	23°C / 73°F	280 hours	37.20 mm / 1.46 In	3 days	1020 mb / 31 In
2016	25°C / 78°F	19°C / 67°F	22°C / 72°F	223 hours	120.79 mm / 4.76 In	8 days	1016 mb / 30 In
2017	27°C / 81°F	20°C / 68°F	24°C / 74°F	284 hours	129.27 mm / 5.09 In	8 days	1014 mb / 30 In
2018	27°C / 81°F	21°C / 71°F	24°C / 75°F	198 hours	183.59 mm / 7.23 In	14 days	1018 mb / 31 In
2019	29°C / 84°F	23°C / 73°F	25°C / 78°F	270 hours	87.71 mm / 3.45 In	7 days	1016 mb / 30 In
2020	25°C / 78°F	19°C / 66°F	22°C / 71°F	189 hours	86.26 mm / 3.40 In	10 days	1016 mb / 30 In
2021	26°C / 78°F	18°C / 65°F	22°C / 71°F	261 hours	44.61 mm / 1.76 In	3 days	1020 mb / 31 In
2022	28°C / 82°F	20°C / 68°F	23°C / 74°F	190 hours	67.20 mm / 2.65 In	7 days	1017 mb / 30 In
2023	25°C / 76°F	17°C / 63°F	21°C / 69°F	144 hours	181.55 mm / 7.15 In	8 days	1016 mb / 30 In
2024	28°C / 82°F	20°C / 68°F	24°C / 74°F	248 hours	117.45 mm / 4.62 In	1 days	1013 mb / 30 In

South Carolina

Hotels Near Charleston

Cities Near Charleston

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, autocomplete, time zone, astronomy and sports data into your new or existing project.

Get Started