Mosquito season in Moore County, TX: when it starts and ends
Mosquito months in Moore County
In a normal year mosquito season in Moore County, TX starts around April 10 and ends around November 2, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Moore County, and when
- Start tipping out standing water weekly by March 27.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 2.
- 2 West Nile cases since 2016 (last 2023): you should use repellent at dusk June to August, more so if over 60.
Moore County against the rest of TX
Moore County has the 246th longest season of 254 TX counties, at 206 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 56.6°F.
- Swisher County: April 7 to November 3 (210 days, 2 WNV)
- Armstrong County: April 8 to October 31 (206 days, 1 WNV)
- Castro County: April 10 to November 1 (205 days, 3 WNV)
- Hansford County: April 10 to November 1 (205 days, 4 WNV)
West Nile in Moore County
From 1999 to 2025, CDC ArboNET counted 9 human West Nile cases in Moore County (9 neuroinvasive) across 7 years. The worst was 2015 with 2; the latest was 2023.
More: how the dates are worked out · when mosquitoes go away for the winter.