Mosquito season in Edgefield County, SC: when it starts and ends
Mosquito months in Edgefield County
In a normal year mosquito season in Edgefield County, SC starts around February 28 and ends around December 1, about 39 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Edgefield County, and when
- Start tipping out standing water weekly by February 14.
- Book any yard treatment for late February, ahead of the July peak.
- Repellent can go away after December 1.
- No West Nile cases since 2016, so bites in Edgefield County are a nuisance; check window screens.
Edgefield County against the rest of SC
Edgefield County has the 11th longest season of 46 SC counties, at 276 days against 349 in Charleston County and 209 in Cherokee County. Its mean temperature is 63.5°F.
- Horry County: February 28 to December 7 (282 days, 11 WNV)
- Orangeburg County: February 28 to December 6 (281 days, 0 WNV)
- Colleton County: March 1 to November 28 (272 days, 0 WNV)
- Aiken County: March 4 to November 30 (271 days, 5 WNV)
West Nile in Edgefield County
CDC ArboNET lists no human West Nile cases for Edgefield County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.
More: how the dates are worked out · when the season starts across the US.