Mosquito season in Van Buren County, MI: when it starts and ends
Mosquito months in Van Buren County
In a normal year mosquito season in Van Buren County, MI starts around April 22 and ends around October 26, about 27 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Van Buren County, and when
- Start tipping out standing water weekly by April 8.
- Book any yard treatment for late April, ahead of the July peak.
- Repellent can go away after October 26.
- 1 West Nile case since 2016 (last 2018): you should use repellent at dusk July to August, more so if over 60.
Van Buren County against the rest of MI
Van Buren County has the 3rd longest season of 83 MI counties, at 187 days against 189 in Allegan County and 124 in Iron County. Its mean temperature is 50.4°F.
- Allegan County: April 21 to October 27 (189 days, 4 WNV)
- Berrien County: April 18 to October 23 (188 days, 6 WNV)
- Monroe County: April 21 to October 22 (184 days, 7 WNV)
- Kalamazoo County: April 19 to October 19 (183 days, 6 WNV)
West Nile in Van Buren County
From 1999 to 2025, CDC ArboNET counted 5 human West Nile cases in Van Buren County (5 neuroinvasive) across 3 years. The worst was 2002 with 3; the latest was 2018.
Background: when mosquitoes go away for the winter; how the dates are worked out.