Mosquito season in Uinta County, WY: when it starts and ends
Mosquito months in Uinta County
In a normal year mosquito season in Uinta County, WY starts around May 30 and ends around September 20, about 16 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Uinta County, and when
- Start tipping out standing water weekly by May 16.
- Book any yard treatment for late May, ahead of the July peak.
- Repellent can go away after September 20.
- 1 West Nile case since 2016 (last 2016): you should use repellent at dusk July, more so if over 60.
Uinta County against the rest of WY
Uinta County has the 19th longest season of 23 WY counties, at 113 days against 163 in Big Horn County and 75 in Teton County. Its mean temperature is 41.6°F.
- Carbon County: May 17 to September 26 (132 days, 1 WNV)
- Albany County: May 22 to September 14 (115 days, 1 WNV)
- Park County: June 4 to September 17 (105 days, 3 WNV)
- Lincoln County: June 8 to September 11 (95 days, 0 WNV)
West Nile in Uinta County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Uinta County (2 neuroinvasive) across 2 years. The worst was 2016 with 1; the latest was 2016.
See how the dates are worked out, and when the season starts across the US.