Mosquito season in Fulton County, IN: when it starts and ends
Mosquito months in Fulton County
In a normal year mosquito season in Fulton County, IN starts around April 17 and ends around October 22, about 27 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Fulton County, and when
- Start tipping out standing water weekly by April 3.
- 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 Fulton County are a nuisance; check window screens.
Fulton County against the rest of IN
Fulton County has the 77th longest season of 92 IN counties, at 189 days against 231 in Floyd County and 177 in Steuben County. Its mean temperature is 50.2°F.
- Wells County: April 16 to October 22 (189 days, 2 WNV)
- Elkhart County: April 17 to October 22 (189 days, 8 WNV)
- Kosciusko County: April 17 to October 22 (188 days, 3 WNV)
- LaPorte County: April 17 to October 22 (188 days, 2 WNV)
West Nile in Fulton County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Fulton County (2 neuroinvasive) across 3 years. The worst was 2002 with 2; the latest was 2014.
See how the dates are worked out, and when the season starts across the US.