Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Jackson features a humid subtropical climate (Cfa). Temperatures typically range between 10 °C (50 °F) and 28 °C (82 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1222 mm (48.1 inches) and receives 123 rainy days on the 1 mm (0.04 inches) threshold annually. Jackson enjoys an average of 3224 hours of sunshine throughout the year, and daylight varies from 9 hours 58 minutes to 14 hours 18 minutes per day.
The warmest months in Jackson are June, July and August, with daily mean temperatures ranging from 26 to 28 °C (79 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 13 °C (50 - 55 °F) throughout the day. On average each year, Jackson experiences 178 days above 25 °C (77.0 °F) and 16 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 27°C (80°F) |
29°C (85°F) |
32°C (89°F) |
33°C (92°F) |
38°C (101°F) |
37°C (100°F) |
39°C (102°F) |
36°C (98°F) |
38°C (101°F) |
38°C (101°F) |
29°C (85°F) |
27°C (81°F) |
| Mean maximum | 24°C (76°F) |
28°C (82°F) |
30°C (86°F) |
31°C (89°F) |
35°C (96°F) |
35°C (96°F) |
38°C (100°F) |
36°C (97°F) |
36°C (96°F) |
34°C (93°F) |
28°C (83°F) |
24°C (76°F) |
| Average high | 15°C (60°F) |
19°C (66°F) |
22°C (71°F) |
25°C (78°F) |
30°C (86°F) |
32°C (89°F) |
33°C (92°F) |
32°C (91°F) |
31°C (89°F) |
27°C (81°F) |
20°C (68°F) |
17°C (62°F) |
| Daily mean | 10°C (50°F) |
13°C (55°F) |
15°C (60°F) |
19°C (66°F) |
24°C (75°F) |
26°C (79°F) |
28°C (82°F) |
27°C (81°F) |
25°C (78°F) |
21°C (70°F) |
13°C (56°F) |
11°C (52°F) |
| Average low | 5°C (41°F) |
7°C (45°F) |
9°C (49°F) |
12°C (55°F) |
18°C (64°F) |
21°C (71°F) |
23°C (74°F) |
23°C (74°F) |
20°C (69°F) |
16°C (60°F) |
8°C (46°F) |
6°C (43°F) |
| Mean minimum | -4°C (24°F) |
-3°C (28°F) |
-2°C (28°F) |
3°C (37°F) |
9°C (49°F) |
16°C (61°F) |
20°C (68°F) |
19°C (66°F) |
14°C (57°F) |
6°C (43°F) |
-1°C (30°F) |
-3°C (26°F) |
| Minimum | -7°C (19°F) |
-5°C (24°F) |
-5°C (23°F) |
-1°C (31°F) |
6°C (44°F) |
13°C (55°F) |
18°C (64°F) |
16°C (61°F) |
11°C (52°F) |
2°C (36°F) |
-3°C (27°F) |
-6°C (22°F) |
Compare temperature, precipitation, sunshine, UV index in Jackson, South Carolina, United States with other places around the world.
Jackson usually has the most precipitation in June, July and August, with an average of 16 rainy days and 135 mm (5.3 inches) of precipitation per month. The driest months in Jackson are March, September and November. On average, 68 mm (2.7 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 90 (3.5) | 112 (4.4) | 75 (3.0) | 113 (4.4) | 97 (3.8) | 124 (4.9) | 138 (5.4) | 143 (5.6) | 73 (2.9) | 81 (3.2) | 56 (2.2) | 120 (4.7) |
| Average precipitation days (≥ 1 mm) | 8 | 10 | 10 | 7 | 8 | 14 | 17 | 17 | 7 | 8 | 7 | 10 |
The sunniest months in Jackson are May, June and July, when the sun shines an average of 10 hours 35 minutes a day. Least sunny months in Jackson: January, February and December receive an average of 6 hours 9 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 174 | 183 | 263 | 287 | 315 | 315 | 342 | 314 | 297 | 283 | 243 | 202 |
| Mean daily daylight hours | 10h 12m | 10h 59m | 11h 59m | 13h 1m | 13h 53m | 14h 18m | 14h 4m | 13h 18m | 12h 19m | 11h 18m | 10h 24m | 9h 58m |
Jackson experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Jackson UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 4 | 7 | 8 | 10 | 11 | 11 | 11 | 11 | 9 | 8 | 6 | 4 |
Discover in-depth weather details for every month in Jackson. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Jackson's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.