Mosquito season in Logan County, KY: when it starts and ends

Mosquito months in Logan County

In a normal year mosquito season in Logan County, KY starts around March 29 and ends around November 6, about 32 weeks.

1. Jan
2. Feb
3. Mar
4. Apr
5. May
6. Jun
7. Jul
8. Aug
9. Sep
10. Oct
11. Nov
12. Dec

What to do in Logan County, and when

• Start tipping out standing water weekly by March 15.
• Book any yard treatment for late March, ahead of the July peak.
• Repellent can go away after November 6.
• 1 West Nile case since 2016 (last 2021): you should use repellent at dusk June to August, more so if over 60.

Logan County against the rest of KY

Logan County has the 24th longest season of 120 KY counties, at 222 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 57°F.

• Hancock County: March 28 to November 7 (224 days, 0 WNV)
• Barren County: March 28 to November 5 (222 days, 2 WNV)
• Jessamine County: March 29 to November 5 (221 days, 0 WNV)
• Webster County: March 29 to November 5 (221 days, 0 WNV)

West Nile in Logan County

From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Logan County (2 neuroinvasive) across 2 years. The worst was 2021 with 1; the latest was 2021.

See how the dates are worked out, and when the season starts across the US.