Mosquito season in Stark County, OH: when it starts and ends
Mosquito months in Stark County
In a normal year mosquito season in Stark County, OH 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 Stark 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.
- 12 West Nile cases since 2016: you should wear EPA-registered repellent at dusk July to August, and check OH spray notices.
Stark County against the rest of OH
Stark County has the 33rd longest season of 88 OH counties, at 194 days against 209 in Gallia County and 177 in Ashtabula County. Its mean temperature is 51.4°F.
- Vinton County: April 13 to October 24 (194 days, 0 WNV)
- Auglaize County: April 14 to October 25 (194 days, 4 WNV)
- Guernsey County: April 15 to October 26 (194 days, 1 WNV)
- Morgan County: April 15 to October 26 (194 days, 0 WNV)
West Nile in Stark County
From 1999 to 2025, CDC ArboNET counted 30 human West Nile cases in Stark County (23 neuroinvasive) across 12 years. The worst was 2002 with 8; the latest was 2025.
See how the dates are worked out, and reading the West Nile counts.