Weather in Jackson in August

A hard month. August asks something of you. Go in knowing what. You should expect rain on 17 days of the month, which is more days wet than dry.

August ranks 11 of 12 — near the bottom of Jackson's year. October is the month that works, and the swing between the two is 46 points, which is a different holiday rather than a slightly better one.

Rain on 17 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 33.4 °C days and 22.4 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 9 days clear 35 °C, so a serious heatwave is normal rather than notable. Across the twenty years measured, the hottest August day reached 41.5 °C and the coldest night fell to 12 °C, and the wettest single day dropped 92 mm — roughly 80% of the month's rain in one day.

August is moderately variable: 40 mm in the driest year against 252 mm in the wettest, around an average of 115 mm. Roughly two Augusts in three land near that average, and the third does something else entirely.

Wind is light at 2.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 73%.

How August sits in the year

Temperatures hold steady either side: 33.4 °C in July, 33.4 here, 31.5 in September. Nothing about the timing within the month matters much. Rain is the thing that moves: September brings 7 days less of it, so pushing the dates later buys drier weather.

Daylight in August

13.4 hours of daylight, losing 0.8 hours across the month. That is between Jackson's extremes of 14.3 and 10.1 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 31.6 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

August in Jackson versus nearby

If Jackson is one option among several, the nearby comparison is worth making. Baton Rouge is close enough to be a coin toss — within a degree on temperature, 4 days more rain. New Orleans is close enough to be a coin toss — 2.7 °C cooler, 7 days more rain.

So: August is a compromise. October is 43 points better and is what Jackson is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Jackson

See all twelve months in Jackson, or where else to go in August.