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

Mosquito months in Monroe County

In a normal year mosquito season in Monroe County, GA starts around March 4 and ends around November 29, about 39 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 Monroe County, and when

• Start tipping out standing water weekly by February 18.
• Book any yard treatment for early March, ahead of the July peak.
• Repellent can go away after November 29.
• No West Nile cases since 2016, so bites in Monroe County are a nuisance; check window screens.

Monroe County against the rest of GA

Monroe County has the 73rd longest season of 159 GA counties, at 270 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 63°F.

• Washington County: March 2 to November 29 (272 days, 1 WNV)
• Lamar County: March 4 to November 29 (270 days, 1 WNV)
• Pike County: March 4 to November 29 (270 days, 1 WNV)
• Macon County: March 4 to November 28 (269 days, 0 WNV)

West Nile in Monroe County

CDC ArboNET lists no human West Nile cases for Monroe County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.

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