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

Mosquito months in Baldwin County

In a normal year mosquito season in Baldwin County, GA starts around March 9 and ends around November 21, 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 Baldwin 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 21.
• No West Nile cases since 2016, so bites in Baldwin County are a nuisance; check window screens.

Baldwin County against the rest of GA

Baldwin County has the 97th longest season of 159 GA counties, at 257 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 63.9°F.

• Treutlen County: March 8 to November 22 (259 days, 1 WNV)
• Stephens County: March 11 to November 24 (258 days, 1 WNV)
• Hancock County: March 9 to November 21 (257 days, 0 WNV)
• Jones County: March 9 to November 21 (257 days, 1 WNV)

West Nile in Baldwin County

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

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