Mosquito season in Perry County, AL: when it starts and ends
Mosquito months in Perry County
In a normal year mosquito season in Perry County, AL starts around March 3 and ends around November 20, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Perry County, and when
- Start tipping out standing water weekly by February 17.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 20.
- 1 West Nile case since 2016 (last 2025): you should use repellent at dusk May to September, more so if over 60.
Perry County against the rest of AL
Perry County has the 25th longest season of 67 AL counties, at 262 days against 330 in Montgomery County and 218 in Marion County. Its mean temperature is 64.2°F.
- Chilton County: March 5 to November 23 (263 days, 5 WNV)
- Limestone County: March 6 to November 24 (263 days, 4 WNV)
- Sumter County: March 4 to November 21 (262 days, 3 WNV)
- Fayette County: March 5 to November 22 (262 days, 1 WNV)
West Nile in Perry County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Perry County (1 neuroinvasive) across 2 years. The worst was 2025 with 1; the latest was 2025.
More: how the dates are worked out · when the season starts across the US.