Mosquito season in Greene County, GA: when it starts and ends

Mosquito months in Greene County

In a normal year mosquito season in Greene County, GA starts around March 12 and ends around November 23, about 37 weeks.

1. Jan
2. Feb
3. Mar
4. Apr
5. May
6. Jun
7. Jul
8. Aug
9. Sep
10. Oct
11. Nov
12. Dec

What to do in Greene County, and when

• Start tipping out standing water weekly by February 26.
• Book any yard treatment for mid March, ahead of the July peak.
• Repellent can go away after November 23.
• No West Nile cases since 2016, so bites in Greene County are a nuisance; check window screens.

Greene County against the rest of GA

Greene County has the 103rd longest season of 159 GA counties, at 256 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 61.9°F.

• Fulton County: March 9 to November 20 (256 days, 49 WNV)
• Wayne County: March 10 to November 21 (256 days, 0 WNV)
• Taliaferro County: March 12 to November 23 (256 days, 0 WNV)
• DeKalb County: March 12 to November 22 (255 days, 28 WNV)

West Nile in Greene County

CDC ArboNET lists no human West Nile cases for Greene County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.

Background: when mosquitoes go away for the winter; how the dates are worked out.