Monthly Historical AveragesJohns Island, SC
Average Temperature
High
17°
Feels 17
Low
6°
Feels 5
Average Precipitation
7 Days
55.8mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, December 31, 2025
Day
11°Feels 10
Wind
12 km/h W
Gust
18 km/h
Humidity
33%
P.O.P
0%
Night
4°Feels 1
Wind
15 km/h W
Gust
23 km/h
Humidity
60%
P.O.P
20%
Historical AveragesDec 31
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity