Savannah receives its highest rainfall in Aug, while humidity peaks during winter months.
🌧️ Wettest:Aug — 175 mm☀️ Driest:Nov — 62 mm
💧 Humidity peaks at 81% in Dec · annual avg 77%
🌍 Climate Summary
Avg Annual Temp:66.7°F
Avg Annual Rainfall:1226 mm
Avg Humidity:77%
Data Period:1981 – 2025
Savannah Climate Overview
Savannah has a warm subtropical climate with warm summers and cold winters.
Temperatures peak in Jul and drop to their lowest in Jan,
while rainfall is highest during summer months.
Humidity remains high throughout the year, especially during winter months, creating cold and damp conditions.
📈 Yearly Trends
The warmest year in Savannah's recorded history was 2019
(avg: 69.8°F),
while the coldest year was 1992
(avg: 64.4°F),
based on annual average temperatures.
📊 Key Climate Trends
🌡️ Savannah's temperature shows a slight warming trend over the past decade
📈 Minimum temperatures show a slight warming trend in recent years
🌧️ Rainfall has decreased in recent years compared to earlier periods
🌡️ Annual Temperature Trend
View Range:
Average annual high/low · Last 10 years · °F
Savannah's temperatures shows a slight warming trend over the past decade.
The highest recorded temperature reached
105.2°F in Jun 1981,
while the lowest dropped to
12.9°F in Jan 1985.
🌧️ Annual Precipitation
View Range:
Total annual precipitation · Last 10 years · mm/year
Annual rainfall in Savannah shows noticeable variation. Rainfall has decreased in recent years compared to earlier periods.
Based on 45 years of data (1981–2025), Jul is typically the hottest month in Savannah, Georgia, with average high temperatures around 99.2°F.
What is the coldest month in Savannah?▼
Jan is the coldest month in Savannah, with average low temperatures around 25.2°F.
What is the rainiest month in Savannah?▼
Aug receives the most rainfall with approximately 175 mm, while Nov is the driest with 62 mm.
What was the highest temperature ever recorded in Savannah?▼
The highest recorded temperature was 105.2°F in Jun 1981. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Savannah?▼
The lowest recorded temperature was 12.9°F in Jan 1985.
How many years of data does this page cover?▼
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
How much sunlight does Savannah get?▼
Savannah receives the most sunlight in Jun with an average solar radiation of 6.27 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Georgia.
Where does this weather data come from?▼
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.