Mosquito season in Rutland County, VT: when it starts and ends
Mosquito months in Rutland County
In a normal year mosquito season in Rutland County, VT starts around May 2 and ends around October 5, about 22 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Rutland County, and when
- Start tipping out standing water weekly by April 18.
- Book any yard treatment for early May, ahead of the July peak.
- Repellent can go away after October 5.
- No West Nile cases since 2016, so bites in Rutland County are a nuisance; check window screens.
Rutland County against the rest of VT
Rutland County has the 6th longest season of 14 VT counties, at 156 days against 171 in Chittenden County and 144 in Orleans County. Its mean temperature is 44.7°F.
- Franklin County: May 4 to October 10 (159 days, 0 WNV)
- Windsor County: May 3 to October 8 (158 days, 2 WNV)
- Caledonia County: May 4 to October 6 (155 days, 0 WNV)
- Bennington County: May 6 to October 7 (154 days, 1 WNV)
West Nile in Rutland County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Rutland County (0 neuroinvasive) across 1 year. The worst was 2012 with 1; the latest was 2012.
See how the dates are worked out, and when mosquitoes go away for the winter.