Mosquito season in Concho County, TX: when it starts and ends
Mosquito months in Concho County
In a normal year mosquito season in Concho County, TX starts around March 20 and ends around November 13, about 34 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Concho County, and when
- Start tipping out standing water weekly by March 6.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 13.
- No West Nile cases since 2016, so bites in Concho County are a nuisance; check window screens.
Concho County against the rest of TX
Concho County has the 213th longest season of 254 TX counties, at 238 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 64.2°F.
- Kerr County: March 19 to November 12 (238 days, 0 WNV)
- King County: March 19 to November 12 (238 days, 0 WNV)
- Glasscock County: March 21 to November 14 (238 days, 1 WNV)
- Crosby County: March 22 to November 14 (237 days, 3 WNV)
West Nile in Concho County
From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Concho County (3 neuroinvasive) across 2 years. The worst was 2012 with 2; the latest was 2015.
More: how the dates are worked out · when mosquitoes go away for the winter.