Annual Weather Averages Near Longs
Averages are for Grand Strand Airport, which is 9 miles from Longs.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Longs
High Temp: 87 °F
Low Temp: 37 °F
Mean Temp: 64 °F
Precipitation: 3.99"
Humidity: 74%
Dew Point: 56 °F
Wind: 12 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Longs
High Temp: 56 °F
Low Temp: 37 °F
Mean Temp: 47 °F
Precipitation: 2.93"
Humidity: 70%
Dew Point: 37 °F
Wind: 11 mph
Pressure: 30.13 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Longs
High Temp: 59 °F
Low Temp: 39 °F
Mean Temp: 49 °F
Precipitation: 3.09"
Humidity: 71%
Dew Point: 40 °F
Wind: 12 mph
Pressure: 30.11 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Longs
High Temp: 65 °F
Low Temp: 45 °F
Mean Temp: 55 °F
Precipitation: 3.33"
Humidity: 70%
Dew Point: 45 °F
Wind: 13 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Longs
High Temp: 72 °F
Low Temp: 53 °F
Mean Temp: 63 °F
Precipitation: 2.78"
Humidity: 71%
Dew Point: 54 °F
Wind: 14 mph
Pressure: 30.03 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Longs
High Temp: 79 °F
Low Temp: 62 °F
Mean Temp: 71 °F
Precipitation: 3.24"
Humidity: 74%
Dew Point: 63 °F
Wind: 14 mph
Pressure: 30.02 "Hg
Visibility: 8 mi
June Climate & Weather Averages in Longs
High Temp: 85 °F
Low Temp: 70 °F
Mean Temp: 78 °F
Precipitation: 4.45"
Humidity: 78%
Dew Point: 71 °F
Wind: 14 mph
Pressure: 30.00 "Hg
Visibility: 8 mi
July Climate & Weather Averages in Longs
High Temp: 87 °F
Low Temp: 74 °F
Mean Temp: 81 °F
Precipitation: 5.52"
Humidity: 78%
Dew Point: 74 °F
Wind: 13 mph
Pressure: 30.02 "Hg
Visibility: 8 mi
August Climate & Weather Averages in Longs
High Temp: 87 °F
Low Temp: 73 °F
Mean Temp: 80 °F
Precipitation: 6.29"
Humidity: 79%
Dew Point: 73 °F
Wind: 11 mph
Pressure: 30.02 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Longs
High Temp: 84 °F
Low Temp: 68 °F
Mean Temp: 76 °F
Precipitation: 5.97"
Humidity: 77%
Dew Point: 68 °F
Wind: 11 mph
Pressure: 30.03 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Longs
High Temp: 76 °F
Low Temp: 57 °F
Mean Temp: 66 °F
Precipitation: 3.90"
Humidity: 75%
Dew Point: 58 °F
Wind: 10 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Longs
High Temp: 67 °F
Low Temp: 45 °F
Mean Temp: 56 °F
Precipitation: 3.01"
Humidity: 73%
Dew Point: 48 °F
Wind: 10 mph
Pressure: 30.13 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Longs
High Temp: 60 °F
Low Temp: 40 °F
Mean Temp: 50 °F
Precipitation: 3.34"
Humidity: 74%
Dew Point: 42 °F
Wind: 10 mph
Pressure: 30.14 "Hg
Visibility: 8 mi