Mosquito season in Spalding County, GA: when it starts and ends
Mosquito months in Spalding County
In a normal year mosquito season in Spalding County, GA starts around March 2 and ends around November 29, about 39 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Spalding County, and when
- Start tipping out standing water weekly by February 16.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 29.
- No West Nile cases since 2016, so bites in Spalding County are a nuisance; check window screens.
Spalding County against the rest of GA
Spalding County has the 70th longest season of 159 GA counties, at 272 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 62.8°F.
- Harris County: March 3 to December 1 (273 days, 0 WNV)
- Calhoun County: February 27 to November 26 (272 days, 0 WNV)
- Washington County: March 2 to November 29 (272 days, 1 WNV)
- Lamar County: March 4 to November 29 (270 days, 1 WNV)
West Nile in Spalding County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Spalding County (1 neuroinvasive) across 2 years. The worst was 2015 with 1; the latest was 2015.
See how the dates are worked out, and when mosquitoes go away for the winter.