Mosquito season in Stephens County, GA: when it starts and ends
Mosquito months in Stephens County
In a normal year mosquito season in Stephens County, GA starts around March 11 and ends around November 24, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Stephens County, and when
- Start tipping out standing water weekly by February 25.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 24.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk June to September, more so if over 60.
Stephens County against the rest of GA
Stephens County has the 96th longest season of 159 GA counties, at 258 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 61.4°F.
- Johnson County: March 8 to November 22 (259 days, 1 WNV)
- Treutlen County: March 8 to November 22 (259 days, 1 WNV)
- Baldwin County: March 9 to November 21 (257 days, 0 WNV)
- Hancock County: March 9 to November 21 (257 days, 0 WNV)
West Nile in Stephens County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Stephens County (1 neuroinvasive) across 1 year. The worst was 2017 with 1; the latest was 2017.
More: how the dates are worked out · when mosquitoes go away for the winter.