Mosquito season in Bamberg County, SC: when it starts and ends

Mosquito months in Bamberg County

In a normal year mosquito season in Bamberg County, SC starts around March 3 and ends around November 26, about 38 weeks.

What to do in Bamberg County, and when

Start tipping out standing water weekly by February 17.
Book any yard treatment for early March, ahead of the July peak.
Repellent can go away after November 26.
No West Nile cases since 2016, so bites in Bamberg County are a nuisance; check window screens.

Bamberg County against the rest of SC

Bamberg County has the 16th longest season of 46 SC counties, at 268 days against 349 in Charleston County and 209 in Cherokee County. Its mean temperature is 64.4°F.

Barnwell County: March 5 to November 30 (270 days, 2 WNV)
Greenville County: March 3 to November 27 (269 days, 10 WNV)
Florence County: March 4 to November 27 (268 days, 5 WNV)
Dorchester County: March 7 to November 29 (267 days, 4 WNV)

West Nile in Bamberg County

CDC ArboNET lists no human West Nile cases for Bamberg County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.

See how the dates are worked out, and when mosquitoes go away for the winter.