Mosquito season in Pine County, MN: when it starts and ends
Mosquito months in Pine County
In a normal year mosquito season in Pine County, MN starts around May 7 and ends around October 2, about 21 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Pine County, and when
- Start tipping out standing water weekly by April 23.
- Book any yard treatment for early May, ahead of the July peak.
- Repellent can go away after October 2.
- 1 West Nile case since 2016 (last 2018): you should use repellent at dusk July, more so if over 60.
Pine County against the rest of MN
Pine County has the 76th longest season of 87 MN counties, at 147 days against 176 in Winona County and 118 in Cook County. Its mean temperature is 40.9°F.
- Wadena County: May 7 to October 1 (148 days, 1 WNV)
- Kittson County: May 6 to September 30 (147 days, 0 WNV)
- Todd County: May 8 to October 1 (147 days, 5 WNV)
- Beltrami County: May 9 to September 30 (144 days, 0 WNV)
West Nile in Pine County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Pine County (1 neuroinvasive) across 2 years. The worst was 2018 with 1; the latest was 2018.
See how the dates are worked out, and when the season starts across the US.