Mosquito season in Freestone County, TX: when it starts and ends
Mosquito months in Freestone County
In a normal year mosquito season in Freestone County, TX starts around March 4 and ends around November 26, about 38 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Freestone County, and when
- Start tipping out standing water weekly by February 18.
- Book any yard treatment for early March, ahead of the August peak.
- Repellent can go away after November 26.
- 3 West Nile cases since 2016 (last 2025): you should use repellent at dusk May to September, more so if over 60.
Freestone County against the rest of TX
Freestone County has the 120th longest season of 254 TX counties, at 267 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 65.9°F.
- Kaufman County: March 4 to November 27 (268 days, 9 WNV)
- McCulloch County: March 4 to November 27 (268 days, 0 WNV)
- Hays County: March 4 to November 26 (267 days, 6 WNV)
- Mason County: March 4 to November 26 (267 days, 0 WNV)
West Nile in Freestone County
From 1999 to 2025, CDC ArboNET counted 8 human West Nile cases in Freestone County (7 neuroinvasive) across 6 years. The worst was 2016 with 2; the latest was 2025.
Background: when the season starts across the US; how the dates are worked out.