What is the hottest month in Jackson County, MS?

July is the warmest month, with a normal high of 91°F at Pascagoula Lott INTL AP.

What is the coldest month in Jackson County, MS?

January is the coldest month, with a normal low of 41°F.

What is the wettest month in Jackson County, MS?

August has the most precipitation on average, about 7.89 inches.

Checked Oct 25, 2026

Jackson County, MS Climate

1991 to 2020 normals at Pascagoula Lott INTL AP, 7.8 mi from the center of Jackson County, elevation 18 ft.

Average weather by month

Select a month for daily normals and last year's weather

Month	High	Low	Precip.	Snow
January	63°	41°	4.97 in	--
February	66°	45°	4.01 in	--
March	72°	50°	4.73 in	--
April	78°	56°	4.40 in	--
May	84°	63°	4.95 in	--
June	90°	71°	6.91 in	--
July	91°	73°	6.65 in	--
August	91°	73°	7.89 in	--
September	88°	69°	4.84 in	--
October	81°	58°	3.69 in	--
November	71°	47°	3.79 in	--
December	65°	43°	4.90 in	--
Year	78°		61.73 in	--

Frequently asked questions

What is the hottest month in Jackson County, MS?: July is the warmest month, with a normal high of 91°F at Pascagoula Lott INTL AP.
What is the coldest month in Jackson County, MS?: January is the coldest month, with a normal low of 41°F.
What is the wettest month in Jackson County, MS?: August has the most precipitation on average, about 7.89 inches.

Today

Jackson County, MS forecast

Data sources

U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
U.S. Climate Normals 1991-2020 (daily) and GHCN-Daily via Access Data ServiceNOAA National Centers for Environmental Information

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About this data

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