Mosquito season in Bosque County, TX: when it starts and ends
Mosquito months in Bosque County
In a normal year mosquito season in Bosque County, TX starts around March 2 and ends around November 28, about 39 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Bosque County, and when
- Start tipping out standing water weekly by February 16.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 28.
- 2 West Nile cases since 2016 (last 2016): you should use repellent at dusk May to September, more so if over 60.
Bosque County against the rest of TX
Bosque County has the 107th longest season of 254 TX counties, at 271 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 65°F.
- Bandera County: March 2 to November 29 (272 days, 0 WNV)
- Uvalde County: March 1 to November 27 (271 days, 1 WNV)
- Grayson County: March 2 to November 28 (271 days, 18 WNV)
- Hopkins County: March 2 to November 28 (271 days, 4 WNV)
West Nile in Bosque County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Bosque County (2 neuroinvasive) across 1 year. The worst was 2016 with 2; the latest was 2016.
Background: when the season starts across the US; how the dates are worked out.