Climate averages 1991–2020

Savannah weather
in July.

A hot, wet month: the warmest and the 9th driest of the year.

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

Average high 31.5°C Daytime mean, July

Average low 24.2°C Night-time mean, July

Rainfall 115 mm 16 days with ≥1 mm

Daylight 14 h Sunrise to sunset, per day

July is a hot month in Savannah: daytime highs average 31.5°C and nights cool to about 24.2°C. By daytime temperature it is the warmest month of the year.

Expect about 115 mm of rain on roughly 16 days, which makes July a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 02 min on an average July day.

The nearest other city in this atlas is Charleston (134 km away). In July its highs average 30.4°C, 1.2°C cooler than Savannah, with 138 mm of rain.

Among the 498 cities listed in the United States, Savannah ranks joint 161st of 498 for the warmest July highs and joint 448th of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Savannah is 1.2°C warmer than that mean.

From July to August, average highs fall by 1.1°C to 30.4°C, and monthly rainfall rises from 115 mm to 150 mm.

The annual picture

July 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	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, selected	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

July 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.