Mosquito season in Auglaize County, OH: when it starts and ends
Mosquito months in Auglaize County
In a normal year mosquito season in Auglaize 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 Auglaize 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.
- 4 West Nile cases since 2016 (last 2024): you should use repellent at dusk June to August, more so if over 60.
Auglaize County against the rest of OH
Auglaize County has the 32nd longest season of 88 OH counties, at 194 days against 209 in Gallia County and 177 in Ashtabula County. Its mean temperature is 51.2°F.
- Preble County: April 13 to October 24 (194 days, 1 WNV)
- Vinton County: April 13 to October 24 (194 days, 0 WNV)
- Stark County: April 14 to October 25 (194 days, 12 WNV)
- Guernsey County: April 15 to October 26 (194 days, 1 WNV)
West Nile in Auglaize County
From 1999 to 2025, CDC ArboNET counted 11 human West Nile cases in Auglaize County (8 neuroinvasive) across 7 years. The worst was 2002 with 4; the latest was 2024.
More: how the dates are worked out · reading the West Nile counts.