Mosquito season in Houston County, GA: when it starts and ends
Mosquito months in Houston County
In a normal year mosquito season in Houston County, GA starts around February 24 and ends around December 4, about 40 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Houston County, and when
- Start tipping out standing water weekly by February 10.
- Book any yard treatment for late February, ahead of the July peak.
- Repellent can go away after December 4.
- 9 West Nile cases since 2016 (last 2025): you should use repellent at dusk May to September, more so if over 60.
Houston County against the rest of GA
Houston County has the 42nd longest season of 159 GA counties, at 283 days against 347 in Glynn County and 199 in Union County. Its mean temperature is 65°F.
- Berrien County: February 26 to December 8 (285 days, 0 WNV)
- Tift County: February 26 to December 8 (285 days, 0 WNV)
- Peach County: February 24 to December 4 (283 days, 0 WNV)
- Twiggs County: February 24 to December 4 (283 days, 0 WNV)
West Nile in Houston County
From 1999 to 2025, CDC ArboNET counted 16 human West Nile cases in Houston County (13 neuroinvasive) across 8 years. The worst was 2012 with 5; the latest was 2025.
Background: reading the West Nile counts; how the dates are worked out.