Mosquito season in Red River County, TX: when it starts and ends
Mosquito months in Red River County
In a normal year mosquito season in Red River County, TX starts around March 5 and ends around November 23, about 38 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Red River County, and when
- Start tipping out standing water weekly by February 19.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 23.
- 2 West Nile cases since 2016 (last 2020): you should use repellent at dusk May to September, more so if over 60.
Red River County against the rest of TX
Red River County has the 141st longest season of 254 TX counties, at 263 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 63°F.
- Madison County: March 2 to November 20 (263 days, 0 WNV)
- Gillespie County: March 4 to November 22 (263 days, 0 WNV)
- Howard County: March 6 to November 24 (263 days, 1 WNV)
- Wise County: March 6 to November 23 (262 days, 3 WNV)
West Nile in Red River County
From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Red River County (2 neuroinvasive) across 3 years. The worst was 2020 with 1; the latest was 2020.
Background: when mosquitoes go away for the winter; how the dates are worked out.