Mosquito season in Venango County, PA: when it starts and ends
Mosquito months in Venango County
In a normal year mosquito season in Venango County, PA starts around April 23 and ends around October 18, about 25 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Venango County, and when
- Start tipping out standing water weekly by April 9.
- Book any yard treatment for late April, ahead of the July peak.
- Repellent can go away after October 18.
- 1 West Nile case since 2016 (last 2018): you should use repellent at dusk July to July, more so if over 60.
Venango County against the rest of PA
Venango County has the 41st longest season of 67 PA counties, at 178 days against 222 in Philadelphia County and 154 in Clinton County. Its mean temperature is 48.8°F.
- Columbia County: April 22 to October 18 (179 days, 1 WNV)
- Luzerne County: April 22 to October 17 (178 days, 4 WNV)
- Crawford County: April 23 to October 18 (177 days, 0 WNV)
- Bradford County: April 24 to October 17 (176 days, 0 WNV)
West Nile in Venango County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Venango County (0 neuroinvasive) across 1 year. The worst was 2018 with 1; the latest was 2018.
See how the dates are worked out, and when the season starts across the US.