Climateby Month

Charleston vs Savannah weather

Charleston, SC and Savannah, GA · 83 mi apart

July highs: 88°F in Charleston, 92°F in Savannah (Savannah is 4°F warmer). January highs: 58°F and 61°F (Savannah is 3°F warmer). Charleston has about 102 wet days a year, Savannah about 108. Muggy days: about 137 a year in Charleston, about 140 in Savannah.

Charleston, SC

40°60°80°100° January: normal high 58°F (14°C), low 44°F (7°C) 58° 44° February: normal high 60°F (16°C), low 46°F (8°C) March: normal high 66°F (19°C), low 52°F (11°C) April: normal high 72°F (22°C), low 60°F (16°C) May: normal high 79°F (26°C), low 68°F (20°C) June: normal high 84°F (29°C), low 74°F (23°C) July: normal high 88°F (31°C), low 77°F (25°C) 88° 77° August: normal high 86°F (30°C), low 77°F (25°C) September: normal high 83°F (28°C), low 73°F (23°C) October: normal high 76°F (24°C), low 63°F (17°C) November: normal high 67°F (19°C), low 53°F (12°C) December: normal high 61°F (16°C), low 47°F (8°C) JFMAMJJASOND

Best months: April

Savannah, GA

40°60°80°100° January: normal high 61°F (16°C), low 40°F (4°C) 61° 40° February: normal high 65°F (18°C), low 43°F (6°C) March: normal high 71°F (22°C), low 49°F (9°C) April: normal high 78°F (26°C), low 55°F (13°C) May: normal high 85°F (29°C), low 63°F (17°C) June: normal high 90°F (32°C), low 71°F (22°C) July: normal high 92°F (33°C), low 74°F (23°C) 92° 74° August: normal high 91°F (33°C), low 73°F (23°C) September: normal high 86°F (30°C), low 69°F (21°C) October: normal high 79°F (26°C), low 59°F (15°C) November: normal high 70°F (21°C), low 48°F (9°C) December: normal high 64°F (18°C), low 43°F (6°C) JFMAMJJASOND

Best months: March, April

Which city for what

  • Milder winters: Savannah (January high 61°F vs January high 58°F)
  • Cooler summers: Charleston (July high 88°F vs July high 92°F)
  • Longer growing season: Charleston (321 frost-free days vs 270 frost-free days)

Listed only where the difference is at least 3°F in highs, 10 days a year or 3 in of snow.

Season by season

SeasonAvg high CharlestonAvg high SavannahWet days CharlestonWet days Savannah
Winter (Dec-Feb)60°F63°F2525
Spring (Mar-May)72°F78°F2222
Summer (Jun-Aug)86°F91°F3438
Fall (Sep-Nov)75°F79°F2224

Side by side over a year

CharlestonSavannah
Hot days (90°F+)2481
Freezing nights622
Muggy days137140
Comfortable days9597
Precipitation44.3 in48.1 in
Snowfall0.3 in0.0 in
Frost dateslast Feb 4, first Dec 30last Mar 2, first Nov 30
Daylight in June / December14.3 h / 10.0 h14.2 h / 10.1 h
Best monthsAprilMarch, April

Day counts from each city's daily records, 1991-2020. Comfortable days: highs 65-80°F and dew point under 60°F.

Month by month

MonthHigh CharlestonHigh SavannahWet days CharlestonWet days Savannah
January58°F61°F89
February60°F65°F88
March66°F71°F88
April72°F78°F77
May79°F85°F77
June84°F90°F1112
July88°F92°F1212
August86°F91°F1213
September83°F86°F910
October76°F79°F77
November67°F70°F67
December61°F64°F98

Both charts use the same temperature scale.

Where the numbers come from

  • Charleston, SC: temperature from Charleston City (USW00013782), 0.2 mi NNW of the city center; precipitation from Charleston City (USW00013782). NOAA 1991-2020 normals and daily records.
  • Savannah, GA: temperature from Savannah Intl Airport (USW00003822), 7.2 mi WNW of the city center; precipitation from Savannah Intl Airport (USW00003822). NOAA 1991-2020 normals and daily records.

Every station for each city, including humidity and frost, is listed on the city page. Methodology.