Mosquito season in Mills County, TX: when it starts and ends
Mosquito months in Mills County
In a normal year mosquito season in Mills County, TX starts around March 8 and ends around November 21, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Mills County, and when
- Start tipping out standing water weekly by February 22.
- Book any yard treatment for early March, ahead of the August peak.
- Repellent can go away after November 21.
- No West Nile cases since 2016, so bites in Mills County are a nuisance; check window screens.
Mills County against the rest of TX
Mills County has the 152nd longest season of 254 TX counties, at 258 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 64.8°F.
- Ector County: March 7 to November 21 (259 days, 7 WNV)
- Runnels County: March 8 to November 22 (259 days, 3 WNV)
- Schleicher County: March 8 to November 21 (258 days, 0 WNV)
- Culberson County: March 9 to November 22 (258 days, 0 WNV)
West Nile in Mills County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Mills County (0 neuroinvasive) across 1 year. The worst was 2007 with 1; the latest was 2007.
Background: when the season starts across the US; how the dates are worked out.