Mosquito season in Newton County, IN: when it starts and ends
Mosquito months in Newton County
In a normal year mosquito season in Newton County, IN starts around April 15 and ends around October 22, about 27 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Newton County, and when
- Start tipping out standing water weekly by April 1.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 22.
- No West Nile cases since 2016, so bites in Newton County are a nuisance; check window screens.
Newton County against the rest of IN
Newton County has the 65th longest season of 92 IN counties, at 191 days against 231 in Floyd County and 177 in Steuben County. Its mean temperature is 50.6°F.
- Henry County: April 15 to October 23 (191 days, 0 WNV)
- Howard County: April 15 to October 23 (191 days, 5 WNV)
- White County: April 15 to October 23 (191 days, 1 WNV)
- Dearborn County: April 17 to October 25 (191 days, 0 WNV)
West Nile in Newton County
CDC ArboNET lists no human West Nile cases for Newton County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 16 of those years.
See how the dates are worked out, and when mosquitoes go away for the winter.