Mosquito season in Price County, WI: when it starts and ends
Mosquito months in Price County
In a normal year mosquito season in Price County, WI starts around May 9 and ends around October 1, about 21 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Price County, and when
- Start tipping out standing water weekly by April 25.
- Book any yard treatment for early May, ahead of the July peak.
- Repellent can go away after October 1.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk July, more so if over 60.
Price County against the rest of WI
Price County has the 63rd longest season of 72 WI counties, at 145 days against 180 in La Crosse County and 139 in Rusk County. Its mean temperature is 40.6°F.
- Sawyer County: May 7 to October 2 (148 days, 2 WNV)
- Langlade County: May 8 to October 2 (148 days, 0 WNV)
- Bayfield County: May 11 to October 3 (145 days, 1 WNV)
- Ashland County: May 13 to October 3 (144 days, 0 WNV)
West Nile in Price County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Price County (1 neuroinvasive) across 1 year. The worst was 2017 with 1; the latest was 2017.
Background: when the season starts across the US; how the dates are worked out.