Mosquito season in Montague County, TX: when it starts and ends

Mosquito months in Montague County

In a normal year mosquito season in Montague County, TX starts around March 11 and ends around November 20, about 36 weeks.

1. Jan
2. Feb
3. Mar
4. Apr
5. May
6. Jun
7. Jul
8. Aug
9. Sep
10. Oct
11. Nov
12. Dec

What to do in Montague County, and when

• Start tipping out standing water weekly by February 25.
• Book any yard treatment for mid March, ahead of the July peak.
• Repellent can go away after November 20.
• 1 West Nile case since 2016 (last 2024): you should use repellent at dusk May to September, more so if over 60.

Montague County against the rest of TX

Montague County has the 171st longest season of 254 TX counties, at 254 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 63.3°F.

• Borden County: March 10 to November 19 (254 days, 0 WNV)
• Parker County: March 10 to November 19 (254 days, 8 WNV)
• Crockett County: March 8 to November 16 (253 days, 0 WNV)
• Martin County: March 10 to November 18 (253 days, 2 WNV)

West Nile in Montague County

From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Montague County (1 neuroinvasive) across 2 years. The worst was 2012 with 2; the latest was 2024.

See how the dates are worked out, and when mosquitoes go away for the winter.