Mosquito season in Walker County, GA: when it starts and ends
Mosquito months in Walker County
In a normal year mosquito season in Walker County, GA starts around March 11 and ends around November 16, about 36 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Walker County, and when
- Start tipping out standing water weekly by February 25.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 16.
- No West Nile cases since 2016, so bites in Walker County are a nuisance; check window screens.
Walker County against the rest of GA
Walker County has the 112th longest season of 159 GA counties, at 250 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 60.4°F.
- Hall County: March 12 to November 20 (253 days, 2 WNV)
- Jefferson County: March 12 to November 20 (253 days, 0 WNV)
- Columbia County: March 13 to November 18 (250 days, 5 WNV)
- Cobb County: March 14 to November 19 (250 days, 11 WNV)
West Nile in Walker County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Walker County (1 neuroinvasive) across 1 year. The worst was 2003 with 2; the latest was 2003.
More: how the dates are worked out · when mosquitoes go away for the winter.