Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Walterboro features a humid subtropical climate (Cfa). Temperatures typically range between 10 °C (51 °F) and 27 °C (81 °F) through the year, but rarely can drop to -9 °C (17 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 1293 mm (50.9 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually. Walterboro enjoys an average of 3229 hours of sunshine throughout the year, and daylight varies from 10 hours 0 minutes to 14 hours 16 minutes per day.
The warmest months in Walterboro are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (79 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 13 °C (51 - 56 °F) throughout the day. On average each year, Walterboro experiences 180 days above 25 °C (77.0 °F) and 17 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 27°C (81°F) |
29°C (84°F) |
32°C (90°F) |
32°C (90°F) |
38°C (101°F) |
38°C (100°F) |
37°C (100°F) |
39°C (103°F) |
36°C (98°F) |
37°C (98°F) |
31°C (88°F) |
27°C (81°F) |
| Mean maximum | 25°C (78°F) |
28°C (82°F) |
30°C (86°F) |
31°C (88°F) |
35°C (95°F) |
35°C (95°F) |
36°C (98°F) |
36°C (97°F) |
35°C (95°F) |
33°C (91°F) |
28°C (83°F) |
25°C (77°F) |
| Average high | 16°C (61°F) |
19°C (67°F) |
22°C (71°F) |
25°C (77°F) |
29°C (85°F) |
31°C (88°F) |
33°C (91°F) |
32°C (90°F) |
31°C (88°F) |
27°C (81°F) |
20°C (68°F) |
17°C (63°F) |
| Daily mean | 10°C (51°F) |
13°C (56°F) |
15°C (60°F) |
19°C (66°F) |
23°C (74°F) |
26°C (79°F) |
27°C (81°F) |
27°C (81°F) |
25°C (77°F) |
21°C (70°F) |
14°C (57°F) |
11°C (53°F) |
| Average low | 5°C (41°F) |
8°C (46°F) |
9°C (49°F) |
13°C (55°F) |
18°C (64°F) |
21°C (71°F) |
23°C (74°F) |
23°C (74°F) |
21°C (69°F) |
16°C (61°F) |
8°C (47°F) |
6°C (44°F) |
| Mean minimum | -5°C (24°F) |
-2°C (28°F) |
-3°C (27°F) |
3°C (37°F) |
9°C (48°F) |
15°C (60°F) |
19°C (67°F) |
20°C (68°F) |
14°C (57°F) |
7°C (44°F) |
-1°C (30°F) |
-3°C (27°F) |
| Minimum | -9°C (17°F) |
-4°C (25°F) |
-4°C (25°F) |
-2°C (29°F) |
5°C (41°F) |
12°C (54°F) |
17°C (64°F) |
18°C (64°F) |
10°C (51°F) |
2°C (36°F) |
-4°C (25°F) |
-5°C (22°F) |
Compare temperature, precipitation, sunshine, UV index in Walterboro, South Carolina, United States with other places around the world.
Walterboro usually has the most precipitation in June, July and August, with an average of 18 rainy days and 156 mm (6.1 inches) of precipitation per month. The driest months in Walterboro are January, October and November. On average, 69 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) | 70 (2.8) | 101 (4.0) | 70 (2.8) | 116 (4.6) | 98 (3.9) | 138 (5.4) | 168 (6.6) | 161 (6.3) | 110 (4.3) | 70 (2.8) | 67 (2.6) | 124 (4.9) |
| Average precipitation days (≥ 1 mm) | 7 | 10 | 8 | 8 | 9 | 17 | 19 | 20 | 12 | 8 | 7 | 9 |
The sunniest months in Walterboro are May, June and July, when the sun shines an average of 10 hours 30 minutes a day. Least sunny months in Walterboro: January, February and December receive an average of 6 hours 20 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 177 | 190 | 263 | 291 | 320 | 307 | 339 | 306 | 295 | 282 | 247 | 208 |
| Mean daily daylight hours | 10h 14m | 11h 0m | 11h 59m | 13h 0m | 13h 51m | 14h 16m | 14h 2m | 13h 17m | 12h 19m | 11h 19m | 10h 26m | 10h 0m |
Walterboro 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 Walterboro 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 Walterboro. 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 Walterboro'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.