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Charleston Weather May

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Temperatures trend during May in Charleston

See the weather trend as well as the moving average line

May weather in Charleston day by day

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April June

Date	Weather	Temperatures	Rain	UV
May 1	Patchy rain possible	22° /10°	1.8 mm	7
May 2	Patchy rain possible	19° /10°	1.5 mm	8
May 3	Light rain	19° /8°	3.5 mm	8
May 4	Light rain	21° /10°	3.1 mm	6
May 5	Patchy rain possible	21° /12°	1 mm	7
May 6	Light rain	17° /10°	7.5 mm	3
May 7	Overcast	19° /10°	0 mm	5
May 8	Moderate or heavy rain shower	20° /8°	5.4 mm	8
May 9	Overcast	19° /9°	0.1 mm	7
May 10	Patchy rain possible	23° /9°	1.2 mm	8
May 11	Overcast	23° /11°	0.4 mm	7
May 12	Moderate or heavy rain shower	21° /11°	6.1 mm	8
May 13	Moderate or heavy rain shower	21° /15°	7.5 mm	6
May 14	Patchy rain possible	18° /12°	0.3 mm	5
May 15	Light rain	25° /10°	4.7 mm	9
May 16	Light rain	26° /16°	3.5 mm	8
May 17	Light rain	29° /15°	5 mm	8
May 18	Overcast	28° /16°	0 mm	8
May 19	Overcast	28° /16°	0.6 mm	8
May 20	Light rain	26° /16°	8 mm	5
May 21	Heavy rain	22° /16°	25.8 mm	5
May 22	Moderate rain	19° /13°	10.2 mm	4
May 23	Light rain	19° /12°	2.5 mm	3
May 24	Moderate rain	24° /13°	12.5 mm	5
May 25	Patchy rain possible	21° /15°	1.7 mm	3
May 26	Patchy rain possible	24° /15°	1.5 mm	4
May 27	Heavy rain	19° /15°	39.6 mm	3
May 28	Patchy rain possible	22° /13°	2.1 mm	7
May 29	Patchy rain possible	25° /14°	1 mm	8
May 30	Moderate rain	23° /12°	21.2 mm	8
May 31	Moderate or heavy rain with thunder	25° /13°	15.4 mm	8
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Important Notice

Our weather forecast for Charleston in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Charleston forecast closer to your planned date for the most up-to-date weather information.

Change Month

Charleston in May - FAQ

What are the expected maximum and minimum temperatures in Charleston during May?

Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Charleston during May?

Significant rainfall exceeding 194.9 mm is expected in Charleston during May, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Charleston during May?

The average wind speed in Charleston during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Charleston

Explore the daily rainfall trends and prepare for Charlestons May weather 💧

Typically, Charleston has 17 rainy days in May with a total of 194.9 mm of rainfall.

UV exposure in Charleston during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
						1 22°
2 19°	3 19°	4 21°	5 21°	6 17°	7 19°	8 20°
9 19°	10 23°	11 23°	12 21°	13 21°	14 18°	15 25°
16 26°	17 29°	18 28°	19 28°	20 26°	21 22°	22 19°
23 19°	24 24°	25 21°	26 24°	27 19°	28 22°	29 25°
30 23°	31 25°