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

Mosquito months in Warren County

In a normal year mosquito season in Warren County, GA starts around March 13 and ends around November 22, about 36 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 Warren County, and when

• Start tipping out standing water weekly by February 27.
• Book any yard treatment for mid March, ahead of the July peak.
• Repellent can go away after November 22.
• No West Nile cases since 2016, so bites in Warren County are a nuisance; check window screens.

Warren County against the rest of GA

Warren County has the 109th longest season of 159 GA counties, at 254 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 62.5°F.

• Chattahoochee County: March 11 to November 20 (254 days, 0 WNV)
• Glascock County: March 13 to November 22 (254 days, 0 WNV)
• Hall County: March 12 to November 20 (253 days, 2 WNV)
• Jefferson County: March 12 to November 20 (253 days, 0 WNV)

West Nile in Warren County

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

Background: when the season starts across the US; how the dates are worked out.