Mosquito season in Heard County, GA: when it starts and ends
Mosquito months in Heard County
In a normal year mosquito season in Heard County, GA starts around March 17 and ends around November 14, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Heard County, and when
- Start tipping out standing water weekly by March 3.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 14.
- No West Nile cases since 2016, so bites in Heard County are a nuisance; check window screens.
Heard County against the rest of GA
Heard County has the 134th longest season of 159 GA counties, at 242 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 62°F.
- Barrow County: March 22 to November 20 (243 days, 0 WNV)
- Walton County: March 22 to November 20 (243 days, 0 WNV)
- Stewart County: March 17 to November 14 (242 days, 0 WNV)
- Meriwether County: March 19 to November 16 (242 days, 0 WNV)
West Nile in Heard County
CDC ArboNET lists no human West Nile cases for Heard County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
More: how the dates are worked out · when mosquitoes go away for the winter.