Charleston in may: average Weather, Temperature and Climate
Weather in Charleston in may 2025
The weather in North Charleston in may comes from statistical datas on the past years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
good weather UV index: 7
Weather at 6am
70°F
Clear/Sunny
44% of time
32%
13%
8%
Weather at 12pm
81°F
Clear/Sunny
47% of time
26%
16%
6%
Weather at 6pm
76°F
Clear/Sunny
51% of time
25%
13%
6%
Weather at 3am
68°F
40%
23%
20%
9%
Evolution of daily average temperature and precipitation in Charleston in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Charleston in may.
The climate of Charleston in may is good
The climate in may in North Charleston is wet (with 4.4in of rainfall over 7 days). Unfortunately, the weather conditions is worsening than the previous month since in april there is an average of 3.6in of precipitation over 5 days.
The climate nice in that area this month. Temperatures are up to 83°F. In the morning the temperature drops to 70°F. Thus, the mean temperature average on this month of may in North Charleston is 76°F. Note that these seasonal averages are in contrast with those observed in North Charleston in may with a maximum record of 99°F in 2019 and a minimum record of 50°F in 2021. You can expect to have about 6 days with temperatures up to 86°F, or 19 of time.
On this month of may, day length in North Charleston is generally 13:51. Sunrise is at 05:21 and sets at 19:12.
With a good weather, the month of may is a good month to go in that area.
Seasonal average climate and temperature of Charleston in may
Check below seasonal norms These statistics are generated from the weather statements of the last years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 76°F | ||||
| Highest temperature | 83°F | ||||
| Lowest temperature | 70°F | ||||
| Highest record temperature | 99°F (2019) | ||||
| Lowest record temperature | 50°F (2021) | ||||
| Number of days at +86°F | 6 day(s) (19%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 74°F | ||||
| Lowest sea temperature | 68°F | ||||
| Highest sea temperature | 79°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 70°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.4in | ||||
| Number of days with rainfall | 7 day(s) (23%) | ||||
| Record daily rainfall | 2in (2014) | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 9.43km | ||||
| Cloud cover | 27% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:21 | ||||
| Time of sunset | 19:12 | ||||
| Length of day | 13:51 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last may?
Here is the day by day recorded weather in Charleston in may 2024:
67°F to 81°F
67°F to 83°F
67°F to 83°F
68°F to 76°F
68°F to 81°F
68°F to 85°F
68°F to 86°F
72°F to 92°F
74°F to 94°F
72°F to 81°F
58°F to 77°F
59°F to 81°F
65°F to 79°F
68°F to 77°F
68°F to 88°F
67°F to 83°F
68°F to 83°F
70°F to 83°F
67°F to 77°F
65°F to 81°F
63°F to 83°F
65°F to 86°F
68°F to 88°F
70°F to 88°F
70°F to 92°F
70°F to 92°F
76°F to 94°F
72°F to 92°F
68°F to 88°F
65°F to 85°F
65°F to 86°F
Map: other cities in the United States (USA) in may
Cities near Charleston:
| Edisto Beach in may | good weather |
| Hilton Head Island in may | good weather |
| Tybee Island (Georgia) in may | good weather |
| Savannah in may | good weather |
| Myrtle Beach in may | good weather |
| South Carolina in may | good weather |
| Carolina Beach in may | good weather |
| North Carolina in may | good weather |
| Atlanta in may | good weather |
| Virginia in may | good weather |
| Nags Head in may | good weather |
| Lake Martin (Alabama) in may | good weather |
Click over cities on the map for information about the weather in may.
Charleston
perfect weather
good
tolerable
bad
very bad
Weather data for Charleston in may:
Weather data for Charleston for may are derived from an average of the weather forecast since 2009 in Charleston. There is a margin of error and these forecasts are to be considered as general information only. The weather in Charleston can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Charleston.