Mosquito season in Oglethorpe County, GA: when it starts and ends
Mosquito months in Oglethorpe County
In a normal year mosquito season in Oglethorpe County, GA starts around March 18 and ends around November 17, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Oglethorpe County, and when
- Start tipping out standing water weekly by March 4.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 17.
- No West Nile cases since 2016, so bites in Oglethorpe County are a nuisance; check window screens.
Oglethorpe County against the rest of GA
Oglethorpe County has the 126th longest season of 159 GA counties, at 244 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 61.8°F.
- Henry County: March 16 to November 17 (246 days, 1 WNV)
- Polk County: March 16 to November 15 (244 days, 1 WNV)
- Dawson County: March 17 to November 15 (243 days, 1 WNV)
- Marion County: March 17 to November 15 (243 days, 0 WNV)
West Nile in Oglethorpe County
CDC ArboNET lists no human West Nile cases for Oglethorpe County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.
See how the dates are worked out, and when the season starts across the US.