Savannah averages 75.7 days a year above 90°F, with June the wettest month at 6.65 in of normal rain. The hottest day on record was 105°F on Jul 20, 1986; the coldest, 3°F on Jan 21, 1985. The single biggest 24-hour rain event recorded was 8.94 in on Oct 7, 2016.
Climate and Average Weather Year Round in Savannah
Year-round temperature
In Savannah, the warmest months are June through September, with average daily highs between 86°F and 92°F. The coldest stretch runs December through February, with highs between 61°F and 65°F and overnight lows reaching 40°F.
Rainfall through the year
Rainfall in Savannah averages 4.0 in per month over the long run. June is the wettest at 6.7 in, while November is the driest at 2.4 in.
Days at 90 °F or hotter
Savannah averages 75.7 days per year at 90 °F or hotter. The hottest year on record saw 121 such days (2011); the coolest just 11 (2026).
Precipitation this year
As of May 29, Savannah has received 5.5 in of precipitation this year — 66% below the long-term normal for this point in the year (16.4 in).