Mosquito season in Noble County, IN: when it starts and ends
Mosquito months in Noble County
In a normal year mosquito season in Noble County, IN starts around April 19 and ends around October 21, about 26 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Noble County, and when
- Start tipping out standing water weekly by April 5.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 21.
- No West Nile cases since 2016, so bites in Noble County are a nuisance; check window screens.
Noble County against the rest of IN
Noble County has the 86th longest season of 92 IN counties, at 185 days against 231 in Floyd County and 177 in Steuben County. Its mean temperature is 49.4°F.
- Vermillion County: April 18 to October 22 (187 days, 0 WNV)
- Marshall County: April 18 to October 22 (186 days, 1 WNV)
- Whitley County: April 19 to October 20 (185 days, 2 WNV)
- LaGrange County: April 19 to October 20 (184 days, 0 WNV)
West Nile in Noble County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Noble County (0 neuroinvasive) across 3 years. The worst was 2002 with 2; the latest was 2006.
More: how the dates are worked out · when the season starts across the US.