Mosquito season in Catoosa County, GA: when it starts and ends
Mosquito months in Catoosa County
In a normal year mosquito season in Catoosa County, GA starts around March 27 and ends around November 6, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Catoosa County, and when
- Start tipping out standing water weekly by March 13.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 6.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk June to September, more so if over 60.
Catoosa County against the rest of GA
Catoosa County has the 153rd longest season of 159 GA counties, at 224 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 60.5°F.
- Chattooga County: March 27 to November 7 (225 days, 0 WNV)
- Rabun County: March 28 to November 8 (225 days, 0 WNV)
- Habersham County: March 29 to November 5 (221 days, 0 WNV)
- Towns County: March 29 to November 3 (219 days, 0 WNV)
West Nile in Catoosa County
From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Catoosa County (3 neuroinvasive) across 3 years. The worst was 2017 with 1; the latest was 2017.
Background: when mosquitoes go away for the winter; how the dates are worked out.