Mosquito season in Pickens County, SC: when it starts and ends
Mosquito months in Pickens County
In a normal year mosquito season in Pickens County, SC starts around March 20 and ends around November 15, about 34 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Pickens County, and when
- Start tipping out standing water weekly by March 6.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 15.
- 1 West Nile case since 2016 (last 2018): you should use repellent at dusk June to September, more so if over 60.
Pickens County against the rest of SC
Pickens County has the 39th longest season of 46 SC counties, at 240 days against 349 in Charleston County and 209 in Cherokee County. Its mean temperature is 60.6°F.
- Laurens County: March 18 to November 17 (244 days, 1 WNV)
- Lexington County: March 17 to November 14 (242 days, 6 WNV)
- Chester County: March 20 to November 13 (238 days, 1 WNV)
- York County: March 21 to November 14 (238 days, 6 WNV)
West Nile in Pickens County
From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Pickens County (3 neuroinvasive) across 3 years. The worst was 2018 with 1; the latest was 2018.
More: how the dates are worked out · when the season starts across the US.