Mosquito season in Miami County, IN: when it starts and ends
Mosquito months in Miami County
In a normal year mosquito season in Miami County, IN starts around April 14 and ends around October 25, about 28 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Miami County, and when
- Start tipping out standing water weekly by March 31.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 25.
- No West Nile cases since 2016, so bites in Miami County are a nuisance; check window screens.
Miami County against the rest of IN
Miami County has the 54th longest season of 92 IN counties, at 193 days against 231 in Floyd County and 177 in Steuben County. Its mean temperature is 51.1°F.
- Tippecanoe County: April 13 to October 24 (194 days, 3 WNV)
- Warren County: April 13 to October 23 (193 days, 0 WNV)
- Randolph County: April 14 to October 24 (193 days, 1 WNV)
- Tipton County: April 14 to October 24 (193 days, 1 WNV)
West Nile in Miami County
From 1999 to 2025, CDC ArboNET counted 5 human West Nile cases in Miami County (2 neuroinvasive) across 3 years. The worst was 2002 with 3; the latest was 2013.
More: how the dates are worked out · when mosquitoes go away for the winter.