Mosquito season in Hall County, TX: when it starts and ends
Mosquito months in Hall County
In a normal year mosquito season in Hall County, TX starts around March 15 and ends around November 17, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Hall County, and when
- Start tipping out standing water weekly by March 1.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 17.
- 1 West Nile case since 2016 (last 2021): you should use repellent at dusk May to September, more so if over 60.
Hall County against the rest of TX
Hall County has the 186th longest season of 254 TX counties, at 247 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 61.9°F.
- Jack County: March 14 to November 16 (247 days, 0 WNV)
- Erath County: March 15 to November 17 (247 days, 2 WNV)
- Haskell County: March 15 to November 17 (247 days, 1 WNV)
- Nolan County: March 16 to November 18 (247 days, 1 WNV)
West Nile in Hall County
From 1999 to 2025, CDC ArboNET counted 5 human West Nile cases in Hall County (2 neuroinvasive) across 3 years. The worst was 2014 with 2; the latest was 2021.
Background: when the season starts across the US; how the dates are worked out.