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

Mosquito months in Berrien County

In a normal year mosquito season in Berrien County, GA starts around February 26 and ends around December 8, about 41 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 Berrien County, and when

• Start tipping out standing water weekly by February 12.
• Book any yard treatment for late February, ahead of the July peak.
• Repellent can go away after December 8.
• No West Nile cases since 2016, so bites in Berrien County are a nuisance; check window screens.

Berrien County against the rest of GA

Berrien County has the 40th longest season of 159 GA counties, at 285 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 65.6°F.

• Bacon County: February 21 to December 7 (289 days, 1 WNV)
• Echols County: February 22 to December 7 (288 days, 1 WNV)
• Tift County: February 26 to December 8 (285 days, 0 WNV)
• Houston County: February 24 to December 4 (283 days, 9 WNV)

West Nile in Berrien County

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

See how the dates are worked out, and when the season starts across the US.