Mosquito season in Fayette County, TX: when it starts and ends
Mosquito months in Fayette County
In a normal year mosquito season in Fayette County, TX starts around February 15 and ends around December 10, about 43 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Fayette County, and when
- Start tipping out standing water weekly by February 1.
- Book any yard treatment for mid February, ahead of the August peak.
- Repellent can go away after December 10.
- No West Nile cases since 2016, so bites in Fayette County are a nuisance; check window screens.
Fayette County against the rest of TX
Fayette County has the 64th longest season of 254 TX counties, at 298 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 68.8°F.
- Polk County: February 14 to December 12 (301 days, 3 WNV)
- Medina County: February 12 to December 9 (300 days, 1 WNV)
- DeWitt County: February 15 to December 9 (297 days, 0 WNV)
- Dallas County: February 18 to December 12 (297 days, 219 WNV)
West Nile in Fayette County
From 1999 to 2025, CDC ArboNET counted 5 human West Nile cases in Fayette County (1 neuroinvasive) across 1 year. The worst was 2012 with 5; the latest was 2012.
Background: when mosquitoes go away for the winter; how the dates are worked out.