Jackson, Mississippi Weather
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Climate of Jackson: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Jackson, with average daytime highs around 33°C. January is the coolest, when nights typically fall to about 1°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 32°C, so the seasons feel very different from each other.
The area receives about 1460 mm of rain in a typical year. Most of it falls from October to August (around 93% of the yearly total), and February is the wettest month at roughly 146 mm.
For outdoor plans and travel, September usually offers the most comfortable weather in Jackson, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 12° | 1° | 125 mm | 84% |
| Feb | 15° | 4° | 146 mm | 84% |
| Mar | 19° | 8° | 137 mm | 82% |
| Apr | 24° | 12° | 139 mm | 80% |
| May | 28° | 17° | 115 mm | 79% |
| Jun | 32° | 21° | 110 mm | 74% |
| Jul | 33° | 22° | 129 mm | 74% |
| Aug | 33° | 22° | 116 mm | 73% |
| Sep | 31° | 19° | 98 mm | 72% |
| Oct | 26° | 12° | 105 mm | 72% |
| Nov | 19° | 6° | 101 mm | 76% |
| Dec | 14° | 3° | 135 mm | 84% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Jackson. Values describe typical conditions, not a forecast.
About Jackson weather
Jackson is one of many towns in Mississippi's humid subtropical climate, with real hurricane exposure near the Gulf, in Mississippi. Before the rains arrive, there's hot, humid summers (June–August). Cooler months mean mild, short winters (December–February). This page shows live, auto-refreshing weather for Jackson: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Chicago.
Frequently asked questions
Jackson is in Mississippi.
Jackson sees mild, short winters (December–February).
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Jackson's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Jackson, with average daytime highs of about 33°C and nights around 22°C.
The coldest nights come in January, when the average low is about 1°C and daytime highs reach around 12°C. Frost is possible on clear, calm nights.
Jackson receives about 1460 mm of rain in a typical year. February is the wettest month at roughly 146 mm, and the main rainy period is October to August.
September usually offers the most comfortable weather in Jackson, with mild daytime temperatures and little rain.
In November Jackson typically sees daytime highs near 19°C and lows near 6°C, with about 101 mm of rain over the month and average humidity around 76%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Jackson is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Jackson's day-to-day weather follows the broader pattern of Mississippi described above. See the hourly weather forecast or the air quality index for more detail.