Climate & Weather in Savannah
Savannah has a humid subtropical climate: hot, humid summers and mild winters. Per weather-data aggregators reviewed this session, January's average temperature runs around 50.7°F (highs near 61°F, lows near 40°F), while July, the warmest month, averages around 83°F (highs near 92°F, lows near 74°F) -- genuine seasonal variation exists, but nothing resembling a true cold winter.
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Learn moreSummer: Hot, Humid, and Long
Savannah's warm season runs roughly May through September, with July as the hottest month -- an average temperature around 83°F and typical highs near 92°F, per weather-data aggregators reviewed this session (not a direct NOAA climate-normals PDF pull, so treat as a medium-confidence, directionally accurate figure). Combined with coastal Georgia humidity, heat index values routinely run meaningfully above the actual air temperature, a real adjustment for anyone relocating from a drier or more northern climate.
Winter: Genuinely Mild
January, Savannah's coolest month, averages around 50.7°F with highs typically near 61°F and lows near 40°F -- mild by nearly any national comparison, with occasional cold snaps but nothing resembling a true winter season in most years, similar in character to the other Southeast coastal cities in this project.
Hurricane Season in Practical Terms
Atlantic hurricane season runs June 1 through November 30 and overlaps most of Savannah's warm season. As covered on the flood-hurricane-risk topic page, this is not a hypothetical overlay for Savannah the way it might be for a more inland city -- Hurricane Matthew (2016) and Hurricane Irma (2017) both produced direct, documented local impact within this window, and the practical planning implication (bind insurance early, know the evacuation route) is real, not theoretical.
Humidity as a Year-Round Factor
Coastal Georgia humidity moderates somewhat in the comparatively drier winter months but is present across most of the calendar, not just the hot months. This factors directly into daily comfort, air-conditioning costs (see the cost-of-living topic page, where utilities are cited running modestly above the national average), and outdoor-activity planning -- a genuine adjustment for anyone relocating from a drier climate.
Key takeaways
- Savannah has a humid subtropical climate: January averages around 50.7°F (highs ~61°F, lows ~40°F); July averages around 83°F (highs ~92°F, lows ~74°F) -- mild winters, hot and humid summers.
- Summer (roughly May-September) is hot, long, and humid; heat index values routinely run meaningfully above actual air temperature.
- Hurricane season (June 1-November 30) overlaps most of the warm season, and Savannah's risk during this window is documented and real -- Hurricane Matthew (2016) and Irma (2017) both caused direct local impact, not a theoretical exposure.
- Humidity is a year-round factor, not just a summer one, with real implications for air-conditioning costs and outdoor-activity planning.
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