Mosquito season in Kane County, UT: when it starts and ends
Mosquito months in Kane County
In a normal year mosquito season in Kane County, UT starts around May 15 and ends around October 5, about 20 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Kane County, and when
- Start tipping out standing water weekly by May 1.
- Book any yard treatment for mid May, ahead of the July peak.
- Repellent can go away after October 5.
- No West Nile cases since 2016, so bites in Kane County are a nuisance; check window screens.
Kane County against the rest of UT
Kane County has the 21st longest season of 29 UT counties, at 143 days against 210 in Salt Lake County and 82 in Summit County. Its mean temperature is 53°F.
- Daggett County: May 10 to October 3 (146 days, 0 WNV)
- Morgan County: May 10 to October 1 (144 days, 0 WNV)
- Sanpete County: May 12 to September 29 (140 days, 0 WNV)
- Duchesne County: May 17 to October 1 (137 days, 8 WNV)
West Nile in Kane County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Kane County (0 neuroinvasive) across 1 year. The worst was 2010 with 1; the latest was 2010.
More: how the dates are worked out · when mosquitoes go away for the winter.