Mosquito season in Daggett County, UT: when it starts and ends
Mosquito months in Daggett County
In a normal year mosquito season in Daggett County, UT starts around May 10 and ends around October 3, about 21 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Daggett County, and when
- Start tipping out standing water weekly by April 26.
- Book any yard treatment for early May, ahead of the July peak.
- Repellent can go away after October 3.
- No West Nile cases since 2016, so bites in Daggett County are a nuisance; check window screens.
Daggett County against the rest of UT
Daggett County has the 19th longest season of 29 UT counties, at 146 days against 210 in Salt Lake County and 82 in Summit County. Its mean temperature is 45.6°F.
- Emery County: May 4 to October 5 (154 days, 1 WNV)
- Millard County: May 7 to October 5 (151 days, 1 WNV)
- Morgan County: May 10 to October 1 (144 days, 0 WNV)
- Kane County: May 15 to October 5 (143 days, 0 WNV)
West Nile in Daggett County
CDC ArboNET lists no human West Nile cases for Daggett County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.
More: how the dates are worked out · when the season starts across the US.