Mosquito season in Albany County, NY: when it starts and ends
Mosquito months in Albany County
In a normal year mosquito season in Albany County, NY starts around April 27 and ends around October 12, about 24 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Albany County, and when
- Start tipping out standing water weekly by April 13.
- Book any yard treatment for late April, ahead of the July peak.
- Repellent can go away after October 12.
- 4 West Nile cases since 2016 (last 2025): you should use repellent at dusk July to July, more so if over 60.
Albany County against the rest of NY
Albany County has the 33rd longest season of 62 NY counties, at 168 days against 218 in New York County and 125 in Franklin County. Its mean temperature is 46.7°F.
- Oneida County: April 28 to October 14 (169 days, 1 WNV)
- Erie County: April 30 to October 15 (169 days, 12 WNV)
- Rensselaer County: April 29 to October 12 (167 days, 1 WNV)
- Wayne County: April 30 to October 14 (167 days, 1 WNV)
West Nile in Albany County
From 1999 to 2025, CDC ArboNET counted 7 human West Nile cases in Albany County (4 neuroinvasive) across 5 years. The worst was 2025 with 2; the latest was 2025.
See how the dates are worked out, and reading the West Nile counts.