Mosquito season in Henry County, AL: when it starts and ends
Mosquito months in Henry County
In a normal year mosquito season in Henry County, AL starts around February 19 and ends around January 7, about 46 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Henry County, and when
- Start tipping out standing water weekly by February 5.
- Book any yard treatment for mid February, ahead of the July peak.
- Repellent can go away after January 7.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk May to September, more so if over 60.
Henry County against the rest of AL
Henry County has the 3rd longest season of 67 AL counties, at 322 days against 330 in Montgomery County and 218 in Marion County. Its mean temperature is 66.6°F.
- Montgomery County: February 17 to January 13 (330 days, 27 WNV)
- Baldwin County: February 21 to January 14 (327 days, 15 WNV)
- Coffee County: February 22 to January 8 (320 days, 1 WNV)
- Escambia County: February 27 to January 3 (310 days, 0 WNV)
West Nile in Henry County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Henry County (1 neuroinvasive) across 1 year. The worst was 2017 with 1; the latest was 2017.
More: how the dates are worked out · when the season starts across the US.