Mosquito season in Hart County, GA: when it starts and ends
Mosquito months in Hart County
In a normal year mosquito season in Hart County, GA starts around March 7 and ends around November 23, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Hart County, and when
- Start tipping out standing water weekly by February 21.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 23.
- No West Nile cases since 2016, so bites in Hart County are a nuisance; check window screens.
Hart County against the rest of GA
Hart County has the 89th longest season of 159 GA counties, at 261 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 61.3°F.
- Clayton County: March 8 to November 26 (263 days, 1 WNV)
- Randolph County: March 9 to November 27 (263 days, 0 WNV)
- Clarke County: March 9 to November 25 (261 days, 1 WNV)
- Upson County: March 10 to November 26 (261 days, 0 WNV)
West Nile in Hart County
CDC ArboNET lists no human West Nile cases for Hart County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.
See how the dates are worked out, and when the season starts across the US.