Jackson, MS Climate & Monthly Averages
The climate of Jackson
Located in Mississippi, United States, Jackson experiences a humid subtropical climate with hot, humid summers and generally mild winters. Afternoon temperatures peak near 91°F (33°C) in July and dip to about 57°F (14°C) in January, with around 57.6 inches (1462 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: July - highs near 91°F (33°C)
- Coldest month: January - highs near 57°F (14°C)
- Record high: 103°F (39°C) · Record low: 12°F (-11°C) (2015–2024)
- Wettest month: April (10 rainy days) · Sunniest: June (12.0 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 91°F (33°C) and overnight lows stay near 74°F (23°C). The coolest month is January, with typical highs of 57°F (14°C) and lows around 38°F (3°C). Based on 2015–2024 weather data, temperatures have reached as high as 103°F (39°C) and dropped as low as 12°F (-11°C).
Rain, sun and snow
April is usually the wettest month. It brings about 6.9 inches (176 mm) of rain over 10 days, while September is the driest. June brings the most sunshine, averaging 12.0 hours of sun a day. Snowfall is rare but not unheard of.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 57° | 38° | 10 | 5.3 in | 6.9 h/day | 74% |
| February | 62° | 43° | 12 | 5.6 in | 7.0 h/day | 76% |
| March | 69° | 50° | 12 | 6.0 in | 8.4 h/day | 75% |
| April | 74° | 54° | 10 | 6.9 in | 9.3 h/day | 74% |
| May | 83° | 63° | 12 | 4.9 in | 11.1 h/day | 75% |
| June | 89° | 70° | 13 | 4.2 in | 12.0 h/day | 74% |
| July | 91° | 74° | 15 | 4.6 in | 11.8 h/day | 75% |
| August | 90° | 73° | 14 | 4.8 in | 10.8 h/day | 74% |
| September | 88° | 68° | 8 | 2.9 in | 10.6 h/day | 69% |
| October | 79° | 58° | 6 | 3.5 in | 9.3 h/day | 67% |
| November | 67° | 48° | 9 | 4.0 in | 7.9 h/day | 74% |
| December | 61° | 44° | 11 | 5.0 in | 6.7 h/day | 77% |
Jackson month by month
Jackson weather in January
January brings highs around 57°F (14°C), lows near 38°F (3°C), about 10 wet days - typically the coldest month of the year in Jackson.
Jackson weather in February
February brings highs around 62°F (17°C), lows near 43°F (6°C), about 12 wet days.
Jackson weather in March
March brings highs around 69°F (21°C), lows near 50°F (10°C), about 12 wet days.
Jackson weather in April
April brings highs around 74°F (24°C), lows near 54°F (12°C), about 10 wet days - typically the wettest month of the year in Jackson.
Jackson weather in May
May brings highs around 83°F (28°C), lows near 63°F (17°C), about 12 wet days.
Jackson weather in June
June brings highs around 89°F (32°C), lows near 70°F (21°C), about 13 wet days - typically the sunniest month of the year in Jackson.
Jackson weather in July
July brings highs around 91°F (33°C), lows near 74°F (23°C), about 15 wet days - typically the hottest month of the year in Jackson.
Jackson weather in August
August brings highs around 90°F (32°C), lows near 73°F (23°C), about 14 wet days.
Jackson weather in September
September brings highs around 88°F (31°C), lows near 68°F (20°C), about 8 wet days - typically the driest month of the year in Jackson.
Jackson weather in October
October brings highs around 79°F (26°C), lows near 58°F (14°C), about 6 wet days.
Jackson weather in November
November brings highs around 67°F (20°C), lows near 48°F (9°C), about 9 wet days.
Jackson weather in December
December brings highs around 61°F (16°C), lows near 44°F (6°C), about 11 wet days.
Seasons in Jackson
Spring (March through May)
Spring in Jackson is mild and warm, with daytime highs averaging 75°F (24°C) and nights around 56°F (13°C); expect showers on roughly 35 days across the season.
Summer (June through August)
Summer in Jackson brings hot afternoons, with daytime highs averaging 90°F (32°C) and nights around 72°F (22°C); expect showers on roughly 41 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Jackson brings comfortable warmth, with daytime highs averaging 78°F (26°C) and nights around 58°F (14°C); expect showers on roughly 23 days across the season.
Winter (December through February)
Winter in Jackson stays on the cool side of mild, with daytime highs averaging 60°F (16°C) and nights around 42°F (5°C); expect showers on roughly 33 days across the season.
Climate questions, answered
What is the average temperature in Jackson?
Is Jackson hot in summer?
Is Jackson cold in winter?
How many rainy days does Jackson get in a year?
Best time to visit Jackson
The best time to visit Jackson is generally October to December and February, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 69°F (20°C).
Pack for Jackson with lightweight, breathable clothing and strong sun protection for the hot months; a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 74°F (23°C).
Jackson temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.