Jackson climate
Jackson is warmest in August, with average highs of 33 °C, and coldest in January, when nights average 4.1 °C. January is the wettest month (124 mm) and June the driest (83 mm). Figures are 1991–2020 climate normals.
Across a full year Jackson averages 1,256 mm of rain, 184 days above 25 °C and 22 days below freezing.
United States · 85 m elevation · population 153,701 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month August 33 °C
- Coldest month January 4.1 °C
- Driest month June 83 mm
- Wettest month January 124 mm
- Least cloud October 41 % cloud
- Hottest on record August 41 °C
- Coldest on record January -11 °C
What to expectJackson through the year
Jackson has a clear annual cycle: average daily highs run from 14 °C in January to 33 °C in August, a swing of 19 °C in mean temperature across the year.
Counted across a normal year, 184 days a year reach 25 °C, 108 of them reach 30 °C, 22 nights drop below freezing. The warmest reading in the 1991–2020 record is 41 °C, in August.
Rain is spread fairly evenly through the year, from 83 mm in June to 124 mm in January. There is no dry season to aim for.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 13.7 °C | 124 mm | 58 % |
| February | 16.2 °C | 122 mm | 60 % |
| March | 20.0 °C | 120 mm | 57 % |
| April | 24.1 °C | 119 mm | 52 % |
| May | 28.3 °C | 106 mm | 52 % |
| June | 31.5 °C | 83 mm | 51 % |
| July | 32.6 °C | 104 mm | 53 % |
| August | 32.7 °C | 94 mm | 50 % |
| September | 30.5 °C | 83 mm | 44 % |
| October | 25.4 °C | 93 mm | 41 % |
| November | 19.0 °C | 92 mm | 49 % |
| December | 14.8 °C | 116 mm | 58 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 13.7 °C | 4.1 °C | 8.2 °C | 25.0 °C | -11.0 °C | 0 | 0 | 8 |
| February | 16.2 °C | 5.7 °C | 10.2 °C | 27.0 °C | -9.7 °C | 1 | 0 | 5 |
| March | 20.0 °C | 9.2 °C | 14.0 °C | 29.8 °C | -5.4 °C | 4 | 0 | 2 |
| April | 24.1 °C | 13.0 °C | 18.1 °C | 33.0 °C | 1.4 °C | 13 | 1 | 0 |
| May | 28.3 °C | 17.4 °C | 22.6 °C | 35.5 °C | 4.8 °C | 26 | 10 | 0 |
| June | 31.5 °C | 21.4 °C | 26.2 °C | 38.8 °C | 12.5 °C | 30 | 22 | 0 |
| July | 32.6 °C | 23.0 °C | 27.5 °C | 39.0 °C | 16.9 °C | 31 | 27 | 0 |
| August | 32.7 °C | 22.7 °C | 27.4 °C | 40.7 °C | 13.5 °C | 31 | 26 | 0 |
| September | 30.5 °C | 20.0 °C | 24.9 °C | 39.3 °C | 8.4 °C | 28 | 18 | 0 |
| October | 25.4 °C | 14.3 °C | 19.4 °C | 35.9 °C | 1.1 °C | 17 | 4 | 0 |
| November | 19.0 °C | 8.7 °C | 13.2 °C | 30.7 °C | -6.2 °C | 3 | 0 | 1 |
| December | 14.8 °C | 5.4 °C | 9.4 °C | 26.3 °C | -6.3 °C | 0 | 0 | 6 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 124 mm | 10 | 10 h/day | 58 % | 75 % | 16 km/h |
| February | 122 mm | 10 | 11 h/day | 60 % | 75 % | 17 km/h |
| March | 120 mm | 10 | 12 h/day | 57 % | 74 % | 17 km/h |
| April | 119 mm | 9 | 13 h/day | 52 % | 72 % | 17 km/h |
| May | 106 mm | 10 | 14 h/day | 52 % | 72 % | 15 km/h |
| June | 83 mm | 11 | 14 h/day | 51 % | 72 % | 13 km/h |
| July | 104 mm | 14 | 14 h/day | 53 % | 74 % | 12 km/h |
| August | 94 mm | 11 | 13 h/day | 50 % | 72 % | 12 km/h |
| September | 83 mm | 8 | 12 h/day | 44 % | 69 % | 13 km/h |
| October | 93 mm | 7 | 11 h/day | 41 % | 69 % | 14 km/h |
| November | 92 mm | 8 | 11 h/day | 49 % | 73 % | 15 km/h |
| December | 116 mm | 10 | 10 h/day | 58 % | 77 % | 16 km/h |
How Jackson compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Jackson | 33 °C | 4.1 °C | 1,256 mm | 184 |
| Baton Rouge · United States | 32 °C | 7.3 °C | 1,354 mm | 203 |
| New Orleans · United States | 31 °C | 9.4 °C | 1,392 mm | 189 |
| Mobile · United States | 31 °C | 7.5 °C | 1,395 mm | 184 |
| Memphis · United States | 32 °C | 1.2 °C | 1,232 mm | 160 |
Planning a trip? See the best time to visit Jackson.
QuestionsCommon questions about Jackson’s climate
When is the best time to visit Jackson?
That depends on what you want, so the honest answer is a comparison rather than a single month. April, May, October sit closest to 20 °C on average, August is the warmest month and June the driest. The month-by-month table above has the full picture.
How hot does Jackson get?
In August, the warmest month, daily highs average 33 °C. About 108 days a year pass 30 °C. The highest value in the 1991–2020 record is 41 °C.
How cold does it get in winter?
Nights average 4.1 °C in January, the coldest month. A normal year has 22 nights below freezing.
Which month is wettest in Jackson?
January, averaging 124 mm over 10 days with rain. The driest month is June with 83 mm. The year as a whole averages 1,256 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Jackson rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.