Mosquito season in Sumter County, GA: when it starts and ends
Mosquito months in Sumter County
In a normal year mosquito season in Sumter County, GA starts around March 4 and ends around November 28, about 38 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Sumter County, and when
- Start tipping out standing water weekly by February 18.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 28.
- 2 West Nile cases since 2016 (last 2024): you should use repellent at dusk May to September, more so if over 60.
Sumter County against the rest of GA
Sumter County has the 76th longest season of 159 GA counties, at 269 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 64.2°F.
- Pike County: March 4 to November 29 (270 days, 1 WNV)
- Macon County: March 4 to November 28 (269 days, 0 WNV)
- Bleckley County: March 4 to November 27 (268 days, 0 WNV)
- Pulaski County: March 4 to November 27 (268 days, 0 WNV)
West Nile in Sumter County
From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Sumter County (2 neuroinvasive) across 3 years. The worst was 2024 with 1; the latest was 2024.
See how the dates are worked out, and when mosquitoes go away for the winter.