Mosquito season in Bailey County, TX: when it starts and ends
Mosquito months in Bailey County
In a normal year mosquito season in Bailey County, TX starts around April 12 and ends around October 30, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Bailey County, and when
- Start tipping out standing water weekly by March 29.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 30.
- 2 West Nile cases since 2016 (last 2021): you should use repellent at dusk June to August, more so if over 60.
Bailey County against the rest of TX
Bailey County has the 252nd longest season of 254 TX counties, at 201 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 57.3°F.
- Sherman County: April 10 to October 30 (203 days, 0 WNV)
- Hartley County: April 11 to October 31 (203 days, 1 WNV)
- Dallam County: April 18 to October 28 (193 days, 2 WNV)
- Lipscomb County: April 16 to October 24 (191 days, 2 WNV)
West Nile in Bailey County
From 1999 to 2025, CDC ArboNET counted 20 human West Nile cases in Bailey County (9 neuroinvasive) across 10 years. The worst was 2003 with 7; the latest was 2021.
See how the dates are worked out, and when mosquitoes go away for the winter.