Mosquito season in Taos County, NM: when it starts and ends
Mosquito months in Taos County
In a normal year mosquito season in Taos County, NM starts around May 18 and ends around October 3, about 20 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Taos County, and when
- Start tipping out standing water weekly by May 4.
- Book any yard treatment for mid May, ahead of the July peak.
- Repellent can go away after October 3.
- 14 West Nile cases since 2016: you should wear EPA-registered repellent at dusk July, and check NM spray notices.
Taos County against the rest of NM
Taos County has the 30th longest season of 33 NM counties, at 138 days against 268 in Doña Ana County and 114 in Catron County. Its mean temperature is 45.5°F.
- Mora County: May 11 to October 3 (145 days, 1 WNV)
- McKinley County: May 15 to October 3 (141 days, 3 WNV)
- Cibola County: May 20 to October 4 (137 days, 1 WNV)
- Rio Arriba County: May 28 to September 26 (121 days, 6 WNV)
West Nile in Taos County
From 1999 to 2025, CDC ArboNET counted 20 human West Nile cases in Taos County (13 neuroinvasive) across 7 years. The worst was 2023 with 8; the latest was 2025.
Background: reading the West Nile counts; how the dates are worked out.