Mosquito season in Anderson County, TX: when it starts and ends
Mosquito months in Anderson County
In a normal year mosquito season in Anderson County, TX starts around March 9 and ends around November 20, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Anderson County, and when
- Start tipping out standing water weekly by February 23.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 20.
- 1 West Nile case since 2016 (last 2016): you should use repellent at dusk May to September, more so if over 60.
Anderson County against the rest of TX
Anderson County has the 159th longest season of 254 TX counties, at 256 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 66°F.
- Camp County: March 8 to November 19 (256 days, 0 WNV)
- Titus County: March 8 to November 19 (256 days, 2 WNV)
- Palo Pinto County: March 9 to November 20 (256 days, 4 WNV)
- Winkler County: March 9 to November 20 (256 days, 0 WNV)
West Nile in Anderson County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Anderson County (4 neuroinvasive) across 4 years. The worst was 2016 with 1; the latest was 2016.
See how the dates are worked out, and when mosquitoes go away for the winter.