Mosquito season in Barrow County, GA: when it starts and ends
Mosquito months in Barrow County
In a normal year mosquito season in Barrow County, GA starts around March 22 and ends around November 20, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Barrow County, and when
- Start tipping out standing water weekly by March 8.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 20.
- No West Nile cases since 2016, so bites in Barrow County are a nuisance; check window screens.
Barrow County against the rest of GA
Barrow County has the 132nd longest season of 159 GA counties, at 243 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 61.3°F.
- Taylor County: March 17 to November 15 (243 days, 0 WNV)
- Paulding County: March 19 to November 17 (243 days, 1 WNV)
- Walton County: March 22 to November 20 (243 days, 0 WNV)
- Heard County: March 17 to November 14 (242 days, 0 WNV)
West Nile in Barrow County
CDC ArboNET lists no human West Nile cases for Barrow County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 4 of those years.
Background: when the season starts across the US; how the dates are worked out.