Mosquito season in Taylor County, IA: when it starts and ends
Mosquito months in Taylor County
In a normal year mosquito season in Taylor County, IA starts around April 15 and ends around October 21, about 27 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Taylor County, and when
- Start tipping out standing water weekly by April 1.
- 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 Taylor County are a nuisance; check window screens.
Taylor County against the rest of IA
Taylor County has the 18th longest season of 99 IA counties, at 189 days against 198 in Des Moines County and 160 in Worth County. Its mean temperature is 50.2°F.
- Marion County: April 15 to October 21 (189 days, 5 WNV)
- Monroe County: April 15 to October 21 (189 days, 1 WNV)
- Jefferson County: April 15 to October 20 (188 days, 0 WNV)
- Louisa County: April 15 to October 20 (188 days, 0 WNV)
West Nile in Taylor County
CDC ArboNET lists no human West Nile cases for Taylor County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
More: how the dates are worked out · when the season starts across the US.