Mosquito season in Bennington County, VT: when it starts and ends
Mosquito months in Bennington County
In a normal year mosquito season in Bennington County, VT starts around May 6 and ends around October 7, about 22 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Bennington County, and when
- Start tipping out standing water weekly by April 22.
- Book any yard treatment for early May, ahead of the July peak.
- Repellent can go away after October 7.
- 1 West Nile case since 2016 (last 2018): you should use repellent at dusk July, more so if over 60.
Bennington County against the rest of VT
Bennington County has the 8th longest season of 14 VT counties, at 154 days against 171 in Chittenden County and 144 in Orleans County. Its mean temperature is 43.9°F.
- Rutland County: May 2 to October 5 (156 days, 0 WNV)
- Caledonia County: May 4 to October 6 (155 days, 0 WNV)
- Windham County: May 6 to October 7 (154 days, 0 WNV)
- Washington County: May 5 to October 6 (153 days, 0 WNV)
West Nile in Bennington County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Bennington County (1 neuroinvasive) across 1 year. The worst was 2018 with 1; the latest was 2018.
More: how the dates are worked out · when mosquitoes go away for the winter.