Mosquito season in Clarke County, GA: when it starts and ends
Mosquito months in Clarke County
In a normal year mosquito season in Clarke County, GA starts around March 9 and ends around November 25, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Clarke County, and when
- Start tipping out standing water weekly by February 23.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 25.
- 1 West Nile case since 2016 (last 2016): you should use repellent at dusk June to September, more so if over 60.
Clarke County against the rest of GA
Clarke County has the 90th longest season of 159 GA counties, at 261 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 62.3°F.
- Randolph County: March 9 to November 27 (263 days, 0 WNV)
- Hart County: March 7 to November 23 (261 days, 0 WNV)
- Upson County: March 10 to November 26 (261 days, 0 WNV)
- Franklin County: March 7 to November 22 (260 days, 0 WNV)
West Nile in Clarke County
From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Clarke County (1 neuroinvasive) across 3 years. The worst was 2016 with 1; the latest was 2016.
More: how the dates are worked out · when mosquitoes go away for the winter.