Meridian, MS Climate

Summary Graph

The summary climate graph for Meridian, MS shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. Click on each of the measures in the key to toggle them on and off.

Graph of average and extreme temperature ranges by day for Meridian, MS.


The warmest month in Key Field, Meridian, Mississippi is July with an average high temperature of 92.8°F. The hottest day on record was June 10 2007 when the temperature hit 117.0°F. During January the overnight temperature drops to an average of 34.5°F with the lowest temperature of 1.9°F being recorded on December 24 1989.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

10 Jun 2007117°F
15 Jul 1980106.9°F
17 Jul 2000106°F
30 Aug 2000106°F
21 Jun 2004106°F

The warmest months on average were:

August 200798.6°F
August 200098.4°F
July 200098.1°F
August 199097.8°F
July 198097.5°F

The coldest days on record are:

24 Dec 19891.9°F
19 Jan 19773.9°F
12 Jan 19825°F
22 Jan 19855°F
30 Dec 19837°F

The coldest months on average were:

January 197723.4°F
February 197825.7°F
January 198526.4°F
January 198426.5°F
December 198926.9°F


The wettest month by average rainfall in Meridian, MS is March with an average of 6.6 inches of rain falling on 10 to 11 days.Although in July it typically rains on more days with 5.4 inches falling in 13 to 14 days. The driest month by average rainfall in Meridian, MS is September with an average of 3.6 inches of rain falling on 8 to 9 days. Although in October it typically rains on less days with 3.7 inches falling in 6 to 7 days

Wettest Days

The wettest days on record are:

31 May 197313.8 inches
17 May 19803.3 inches
29 May 19963 inches
21 May 20002.6 inches
16 May 19832.6 inches

Wettest Months

The wettest months on record are:

March 197332.4 inches
May 197321.3 inches
February 199018.7 inches
April 197317.4 inches
January 197316.6 inches

Driest Months

The driest months on record are:

April 19420 inches
May 19420 inches
June 19420 inches
July 19420 inches
August 19420 inches