Climate averages 1991–2020

Savannah weather
in January.

A mild, moderately wet month: the coolest and the 7th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 15.1°C Daytime mean, January

Average low 6.5°C Night-time mean, January

Rainfall 88 mm 9 days with ≥1 mm

Daylight 10 h Sunrise to sunset, per day

January is a mild month in Savannah: daytime highs average 15.1°C and nights cool to about 6.5°C. By daytime temperature it is the coolest month of the year.

Expect about 88 mm of rain on roughly 9 days, which makes January a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 18 min on an average January day.

The nearest other city in this atlas is Charleston (134 km away). In January its highs average 14.4°C, 0.7°C cooler than Savannah, with 81 mm of rain.

Among the 498 cities listed in the United States, Savannah ranks joint 133rd of 498 for the warmest January highs and joint 340th of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; Savannah is 5.6°C warmer than that mean.

From January to February, average highs rise by 1.8°C to 16.9°C, and monthly rainfall falls from 88 mm to 84 mm.

The annual picture

January in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Savannah climate table

1991–2020

Monthly climate averages for Savannah, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	15.1°C6.5°C	6.5°C	88	8.8	10.310 h
February	16.9°C7.9°C	7.9°C	84	8.7	11.011 h
March	20.0°C10.7°C	10.7°C	80	8.2	12.012 h
April	23.8°C14.5°C	14.5°C	70	6.8	12.913 h
May	27.7°C18.8°C	18.8°C	59	8.4	13.814 h
June	30.1°C22.5°C	22.5°C	117	15.4	14.214 h
July	31.5°C24.2°C	24.2°C	115	16.2	14.014 h
August	30.4°C23.9°C	23.9°C	150	18.8	13.313 h
September	28.4°C21.8°C	21.8°C	122	13.6	12.412 h
October	24.5°C16.7°C	16.7°C	97	7.8	11.411 h
November	19.9°C11.4°C	11.4°C	59	6.3	10.511 h
December	16.4°C8.1°C	8.1°C	86	8.8	10.110 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

January in nearby cities

Distance from Savannah

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Savannah) is explained once on the Savannah year overview and on the Sources, method and limits page.