Mosquito season in Schoharie County, NY: when it starts and ends
Mosquito months in Schoharie County
In a normal year mosquito season in Schoharie County, NY starts around April 30 and ends around October 12, about 24 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Schoharie County, and when
- Start tipping out standing water weekly by April 16.
- Book any yard treatment for late April, ahead of the July peak.
- Repellent can go away after October 12.
- No West Nile cases since 2016, so bites in Schoharie County are a nuisance; check window screens.
Schoharie County against the rest of NY
Schoharie County has the 36th longest season of 62 NY counties, at 165 days against 218 in New York County and 125 in Franklin County. Its mean temperature is 46.1°F.
- Rensselaer County: April 29 to October 12 (167 days, 1 WNV)
- Wayne County: April 30 to October 14 (167 days, 1 WNV)
- Tompkins County: May 1 to October 12 (164 days, 1 WNV)
- Oswego County: May 2 to October 14 (164 days, 2 WNV)
West Nile in Schoharie County
CDC ArboNET lists no human West Nile cases for Schoharie County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.
Background: when the season starts across the US; how the dates are worked out.