Mosquito season in Briscoe County, TX: when it starts and ends
Mosquito months in Briscoe County
In a normal year mosquito season in Briscoe County, TX starts around April 3 and ends around November 6, about 31 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Briscoe County, and when
- Start tipping out standing water weekly by March 20.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 6.
- 2 West Nile cases since 2016 (last 2023): you should use repellent at dusk June to September, more so if over 60.
Briscoe County against the rest of TX
Briscoe County has the 234th longest season of 254 TX counties, at 217 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 58.6°F.
- Presidio County: April 2 to November 7 (219 days, 1 WNV)
- Potter County: April 2 to November 5 (217 days, 16 WNV)
- Carson County: April 3 to November 6 (217 days, 2 WNV)
- Jeff Davis County: April 3 to November 6 (217 days, 0 WNV)
West Nile in Briscoe County
From 1999 to 2025, CDC ArboNET counted 10 human West Nile cases in Briscoe County (1 neuroinvasive) across 6 years. The worst was 2014 with 4; the latest was 2023.
See how the dates are worked out, and when the season starts across the US.