Mosquito season in Terrell County, GA: when it starts and ends
Mosquito months in Terrell County
In a normal year mosquito season in Terrell County, GA starts around February 26 and ends around December 4, about 40 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Terrell 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 4.
- No West Nile cases since 2016, so bites in Terrell County are a nuisance; check window screens.
Terrell County against the rest of GA
Terrell County has the 54th longest season of 159 GA counties, at 281 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 65°F.
- Lee County: February 26 to December 4 (281 days, 1 WNV)
- McDuffie County: February 26 to December 4 (281 days, 1 WNV)
- Decatur County: February 28 to December 2 (277 days, 2 WNV)
- Crisp County: February 26 to November 29 (276 days, 2 WNV)
West Nile in Terrell County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Terrell County (0 neuroinvasive) across 1 year. The worst was 2012 with 1; the latest was 2012.
Background: when mosquitoes go away for the winter; how the dates are worked out.