Mosquito season in Irwin County, GA: when it starts and ends
Mosquito months in Irwin County
In a normal year mosquito season in Irwin County, GA starts around February 13 and ends around January 1, about 46 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Irwin County, and when
- Start tipping out standing water weekly by January 30.
- Book any yard treatment for mid February, ahead of the July peak.
- Repellent can go away after January 1.
- No West Nile cases since 2016, so bites in Irwin County are a nuisance; check window screens.
Irwin County against the rest of GA
Irwin County has the 14th longest season of 159 GA counties, at 322 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 66°F.
- Ben Hill County: February 13 to January 3 (324 days, 2 WNV)
- Miller County: February 17 to January 7 (324 days, 2 WNV)
- Thomas County: February 25 to January 13 (322 days, 0 WNV)
- Grady County: February 25 to January 12 (321 days, 0 WNV)
West Nile in Irwin County
CDC ArboNET lists no human West Nile cases for Irwin 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.