Mosquito season in Donley County, TX: when it starts and ends
Mosquito months in Donley County
In a normal year mosquito season in Donley County, TX starts around April 3 and ends around November 3, about 31 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Donley 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 3.
- 1 West Nile case since 2016 (last 2023): you should use repellent at dusk June to September, more so if over 60.
Donley County against the rest of TX
Donley County has the 238th longest season of 254 TX counties, at 214 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 59.3°F.
- Jeff Davis County: April 3 to November 6 (217 days, 0 WNV)
- Gray County: April 4 to November 5 (215 days, 2 WNV)
- Randall County: April 3 to November 3 (214 days, 31 WNV)
- Deaf Smith County: April 5 to November 4 (213 days, 5 WNV)
West Nile in Donley County
From 1999 to 2025, CDC ArboNET counted 6 human West Nile cases in Donley County (4 neuroinvasive) across 4 years. The worst was 2006 with 2; the latest was 2023.
Background: when the season starts across the US; how the dates are worked out.