Mosquito season in Lawrence County, IN: when it starts and ends
Mosquito months in Lawrence County
In a normal year mosquito season in Lawrence County, IN starts around April 7 and ends around October 29, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Lawrence County, and when
- Start tipping out standing water weekly by March 24.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 29.
- No West Nile cases since 2016, so bites in Lawrence County are a nuisance; check window screens.
Lawrence County against the rest of IN
Lawrence County has the 30th longest season of 92 IN counties, at 205 days against 231 in Floyd County and 177 in Steuben County. Its mean temperature is 53.5°F.
- Monroe County: April 5 to October 29 (206 days, 1 WNV)
- Jennings County: April 8 to October 31 (206 days, 1 WNV)
- Brown County: April 7 to October 28 (204 days, 0 WNV)
- Franklin County: April 7 to October 28 (204 days, 0 WNV)
West Nile in Lawrence County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Lawrence County (1 neuroinvasive) across 1 year. The worst was 2014 with 1; the latest was 2014.
More: how the dates are worked out · when mosquitoes go away for the winter.