Mosquito season in Yates County, NY: when it starts and ends
Mosquito months in Yates County
In a normal year mosquito season in Yates County, NY starts around April 26 and ends around October 19, about 25 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Yates County, and when
- Start tipping out standing water weekly by April 12.
- Book any yard treatment for late April, ahead of the July peak.
- Repellent can go away after October 19.
- No West Nile cases since 2016, so bites in Yates County are a nuisance; check window screens.
Yates County against the rest of NY
Yates County has the 18th longest season of 62 NY counties, at 176 days against 218 in New York County and 125 in Franklin County. Its mean temperature is 48.6°F.
- Monroe County: April 25 to October 20 (179 days, 13 WNV)
- Dutchess County: April 22 to October 17 (177 days, 8 WNV)
- Niagara County: April 27 to October 21 (176 days, 5 WNV)
- Ontario County: April 27 to October 20 (176 days, 1 WNV)
West Nile in Yates County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Yates County (2 neuroinvasive) across 2 years. The worst was 2003 with 1; the latest was 2003.
See how the dates are worked out, and when the season starts across the US.