Mosquito season in Wise County, TX: when it starts and ends
Mosquito months in Wise County
In a normal year mosquito season in Wise County, TX starts around March 6 and ends around November 23, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Wise County, and when
- Start tipping out standing water weekly by February 20.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 23.
- 3 West Nile cases since 2016 (last 2024): you should use repellent at dusk May to September, more so if over 60.
Wise County against the rest of TX
Wise County has the 143rd longest season of 254 TX counties, at 262 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 64.6°F.
- Red River County: March 5 to November 23 (263 days, 2 WNV)
- Howard County: March 6 to November 24 (263 days, 1 WNV)
- Reeves County: March 4 to November 20 (261 days, 1 WNV)
- Llano County: March 5 to November 21 (261 days, 0 WNV)
West Nile in Wise County
From 1999 to 2025, CDC ArboNET counted 9 human West Nile cases in Wise County (7 neuroinvasive) across 4 years. The worst was 2012 with 5; the latest was 2024.
More: how the dates are worked out · when mosquitoes go away for the winter.