Mosquito season in Lamar County, TX: when it starts and ends
Mosquito months in Lamar County
In a normal year mosquito season in Lamar County, TX starts around March 1 and ends around December 1, about 39 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Lamar County, and when
- Start tipping out standing water weekly by February 15.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after December 1.
- 3 West Nile cases since 2016 (last 2024): you should use repellent at dusk May to September, more so if over 60.
Lamar County against the rest of TX
Lamar County has the 99th longest season of 254 TX counties, at 275 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 65°F.
- Coleman County: March 1 to December 1 (275 days, 0 WNV)
- Denton County: March 1 to December 1 (275 days, 81 WNV)
- Franklin County: March 2 to December 1 (274 days, 3 WNV)
- Gregg County: February 28 to November 28 (273 days, 8 WNV)
West Nile in Lamar County
From 1999 to 2025, CDC ArboNET counted 15 human West Nile cases in Lamar County (8 neuroinvasive) across 4 years. The worst was 2012 with 11; the latest was 2024.
More: how the dates are worked out · when the season starts across the US.