Mosquito season in Haskell County, TX: when it starts and ends
Mosquito months in Haskell County
In a normal year mosquito season in Haskell County, TX starts around March 15 and ends around November 17, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Haskell County, and when
- Start tipping out standing water weekly by March 1.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 17.
- 1 West Nile case since 2016 (last 2018): you should use repellent at dusk May to September, more so if over 60.
Haskell County against the rest of TX
Haskell County has the 187th longest season of 254 TX counties, at 247 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 63.1°F.
- Erath County: March 15 to November 17 (247 days, 2 WNV)
- Hall County: March 15 to November 17 (247 days, 1 WNV)
- Nolan County: March 16 to November 18 (247 days, 1 WNV)
- Garza County: March 17 to November 19 (247 days, 1 WNV)
West Nile in Haskell County
From 1999 to 2025, CDC ArboNET counted 6 human West Nile cases in Haskell County (3 neuroinvasive) across 5 years. The worst was 2009 with 2; the latest was 2018.
Background: when mosquitoes go away for the winter; how the dates are worked out.