Mosquito season in Edwards County, TX: when it starts and ends
Mosquito months in Edwards County
In a normal year mosquito season in Edwards County, TX starts around February 24 and ends around December 6, about 41 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Edwards County, and when
- Start tipping out standing water weekly by February 10.
- Book any yard treatment for late February, ahead of the August peak.
- Repellent can go away after December 6.
- No West Nile cases since 2016, so bites in Edwards County are a nuisance; check window screens.
Edwards County against the rest of TX
Edwards County has the 78th longest season of 254 TX counties, at 285 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 65.1°F.
- Wood County: February 22 to December 4 (285 days, 5 WNV)
- Williamson County: February 23 to December 5 (285 days, 13 WNV)
- Brewster County: February 21 to December 2 (284 days, 0 WNV)
- Smith County: February 23 to December 4 (284 days, 19 WNV)
West Nile in Edwards County
CDC ArboNET lists no human West Nile cases for Edwards County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
More: how the dates are worked out · when mosquitoes go away for the winter.