Mosquito season in Hopkins County, KY: when it starts and ends
Mosquito months in Hopkins County
In a normal year mosquito season in Hopkins County, KY starts around March 22 and ends around November 12, about 34 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Hopkins County, and when
- Start tipping out standing water weekly by March 8.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 12.
- 4 West Nile cases since 2016 (last 2018): you should use repellent at dusk June to September, more so if over 60.
Hopkins County against the rest of KY
Hopkins County has the 3rd longest season of 120 KY counties, at 235 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 59.4°F.
- Lyon County: March 15 to November 19 (249 days, 0 WNV)
- Trigg County: March 16 to November 13 (242 days, 0 WNV)
- Christian County: March 22 to November 10 (233 days, 0 WNV)
- Ballard County: March 22 to November 9 (232 days, 0 WNV)
West Nile in Hopkins County
From 1999 to 2025, CDC ArboNET counted 5 human West Nile cases in Hopkins County (3 neuroinvasive) across 3 years. The worst was 2017 with 3; the latest was 2018.
More: how the dates are worked out · reading the West Nile counts.