Weather in Mississippi

Calculated from weather data of Jackson-Medgar Wiley Evers International Airport (KJAN) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	59.0	57.0	64.0	58.0	58.0	60.0
February	66.0	68.0	69.0	64.0	56.0	64.0
March	72.0	71.0	74.0	71.0	73.0	76.0
April	76.0	78.0	75.0	77.0	75.0	75.0
May	84.0		84.0	86.0	81.0	82.0
June	89.0		91.0	91.0	89.0	89.0
July	92.0		94.0	92.0	90.0	92.0
August	91.0		99.0	88.0	91.0	91.0
September	88.0		92.0	86.0	85.0	86.0
October	79.0		81.0	78.0	81.0	79.0
November	68.0		69.0	68.0	67.0	72.0
December	63.0		64.0	66.0	71.0	61.0
Average	76.0	68.0	80.0	78.0	76.0	77.0

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	40.0	36	45	35	40	44
February	45.0	46	49	38	37	44
March	51.0	52	52	45	51	58
April	55.0	58	56	54	53	55
May	63.0		64	66	63	61
June	71.0		71	71	71	70
July	74.0		75	74	72	74
August	73.0		76	73	72	72
September	68.0		69	64	67	69
October	58.0		58	52	60	58
November	46.0		47	47	42	49
December	44.0		42	51	52	39
Average	56.0	48.0	59.0	56.0	57.0	58.0

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
86 °F or warmer	0	136	109	98	101
77 °F or warmer	24	216	210	200	190
68 °F or warmer	68	279	269	273	278
32 °F or colder	13	13	26	17	13

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	8.2	7	7	7	4	15
February	7.9	5	9	5	7	13
March	5.9	10	6	3	7	5
April	4.9	8	11	4	3	3
May	4.2		3	3	7	3
June	4.2		2	2	6	2
July	3.9		0	6	7	3
August	6.0		0	13	7	3
September	3.2		2	2	6	2
October	4.7		5	3	2	6
November	4.9		5	7	4	6
December	6.4		5	6	4	3
Average	5.5	7.5	4.3	5.0	5.4	5.0

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (miles per hour)

Month	Average	2024	2023	2022	2021	2020
January	8.8	9	9	9	8	8
February	9.2	9	9	9	9	9
March	9.1	8	9	9	10	9
April	8.9	9	9	10	8	8
May	7.6		6	8	9	8
June	6.6		6	6	7	8
July	5.9		6	6	5	6
August	5.9		7	6	6	6
September	6.1		6	6	6	8
October	7.3		8	8	7	7
November	7.0		7	7	7	7
December	7.6		7	8	8	7
Average	7.6	8.9	7.5	7.4	7.4	7.5

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	NW	SW	NW	W	SE
February	SW	SW	W	N	SW
March	SE	SW	SW	S	S
April	S	NE	S	S	NW
May		NE	S	SE	SE
June		W	N	SE	S
July		W	SW	SW	S
August		NW	S	SE	NW
September		NE	N	NE	NE
October		E	S	S	NE
November		NE	NE	N	NE
December		S	S	S	SW

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Mississippi weather Q&A

What is the warmest month in Mississippi?

The warmest month is July with an average temperature of 92 °F over the past years.

What is the coldest month in Mississippi?

The coldest month is January with an average daytime temperature of 59 °F in the past few years.

Which month is the wettest in Mississippi?

Chance of precipitation is the highest in January with a probability of around 8.3 %.

Which month is the driest in Mississippi?

The least rainfall and snow can be expected in September. The probability is about 3.2 %.