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

Mosquito months in Hutchinson County

In a normal year mosquito season in Hutchinson County, TX starts around March 25 and ends around November 10, about 33 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 Hutchinson County, and when

• Start tipping out standing water weekly by March 11.
• Book any yard treatment for late March, ahead of the July peak.
• Repellent can go away after November 10.
• 8 West Nile cases since 2016 (last 2024): you should use repellent at dusk June to September, more so if over 60.

Hutchinson County against the rest of TX

Hutchinson County has the 221st longest season of 254 TX counties, at 230 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 60.3°F.

• Motley County: March 25 to November 13 (233 days, 0 WNV)
• Dickens County: March 25 to November 12 (232 days, 1 WNV)
• Floyd County: March 28 to November 11 (228 days, 3 WNV)
• Hockley County: March 28 to November 9 (226 days, 8 WNV)

West Nile in Hutchinson County

From 1999 to 2025, CDC ArboNET counted 16 human West Nile cases in Hutchinson County (12 neuroinvasive) across 10 years. The worst was 2023 with 6; the latest was 2024.

Background: reading the West Nile counts; how the dates are worked out.