Mosquito season in Nacogdoches County, TX: when it starts and ends
Mosquito months in Nacogdoches County
In a normal year mosquito season in Nacogdoches County, TX starts around February 28 and ends around December 1, about 39 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Nacogdoches County, and when
- Start tipping out standing water weekly by February 14.
- Book any yard treatment for late February, ahead of the August peak.
- Repellent can go away after December 1.
- 3 West Nile cases since 2016 (last 2016): you should use repellent at dusk May to September, more so if over 60.
Nacogdoches County against the rest of TX
Nacogdoches County has the 94th longest season of 254 TX counties, at 276 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 65.8°F.
- Val Verde County: February 25 to November 29 (277 days, 1 WNV)
- Angelina County: February 25 to November 28 (276 days, 14 WNV)
- Comanche County: March 1 to December 2 (276 days, 2 WNV)
- Bell County: March 1 to December 1 (275 days, 12 WNV)
West Nile in Nacogdoches County
From 1999 to 2025, CDC ArboNET counted 6 human West Nile cases in Nacogdoches County (5 neuroinvasive) across 4 years. The worst was 2016 with 3; the latest was 2016.
More: how the dates are worked out · when mosquitoes go away for the winter.