Climate averages 1991–2020

Jackson weather
in August.

A hot, wet month: the warmest and the 5th driest of the year.

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

Average high 32.6°C Daytime mean, August
Average low 22.7°C Night-time mean, August
Rainfall 95 mm 12 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Jackson · average highYear overview

August is a hot month in Jackson: daytime highs average 32.6°C and nights cool to about 22.7°C. By daytime temperature it is the warmest month of the year.

Expect about 95 mm of rain on roughly 12 days, which makes August a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 20 min on an average August day.

The nearest other city in this atlas is Baton Rouge (227 km away). In August its highs average 32.0°C, 0.6°C cooler than Jackson, with 133 mm of rain.

Among the 498 cities listed in the United States, Jackson ranks joint 113th of 498 for the warmest August highs and joint 358th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Jackson is 2.7°C warmer than that mean.

From August to September, average highs fall by 2.3°C to 30.4°C, and monthly rainfall falls from 95 mm to 83 mm.

The annual picture

August in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 05101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

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

Every month, side by side

Jackson climate table

1991–2020
Monthly climate averages for Jackson, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 13.2°C3.6°C3.6°C1219.710.310 h
February 15.6°C5.2°C5.2°C1209.811.011 h
March 19.5°C8.8°C8.8°C12110.412.012 h
April 23.7°C12.7°C12.7°C1148.613.013 h
May 28.1°C17.3°C17.3°C1049.713.814 h
June 31.4°C21.3°C21.3°C8711.414.214 h
July 32.5°C23.0°C23.0°C10213.814.014 h
August, selected 32.6°C22.7°C22.7°C9511.513.313 h
September 30.4°C19.9°C19.9°C837.312.412 h
October 25.1°C14.0°C14.0°C917.411.411 h
November 18.6°C8.1°C8.1°C927.810.511 h
December 14.4°C4.8°C4.8°C1199.410.110 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

August in nearby cities

Distance from Jackson

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 Jackson) is explained once on the Jackson year overview and on the Sources, method and limits page.