Mosquito season in Morgan County, AL: when it starts and ends

Mosquito months in Morgan County

In a normal year mosquito season in Morgan County, AL starts around March 12 and ends around November 19, about 36 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 Morgan County, and when

• Start tipping out standing water weekly by February 26.
• Book any yard treatment for mid March, ahead of the July peak.
• Repellent can go away after November 19.
• 4 West Nile cases since 2016 (last 2024): you should use repellent at dusk May to September, more so if over 60.

Morgan County against the rest of AL

Morgan County has the 44th longest season of 67 AL counties, at 252 days against 330 in Montgomery County and 218 in Marion County. Its mean temperature is 61.9°F.

• Russell County: March 11 to November 20 (254 days, 0 WNV)
• Bullock County: March 9 to November 17 (253 days, 1 WNV)
• Butler County: March 13 to November 19 (251 days, 1 WNV)
• Lamar County: March 13 to November 19 (251 days, 0 WNV)

West Nile in Morgan County

From 1999 to 2025, CDC ArboNET counted 6 human West Nile cases in Morgan County (4 neuroinvasive) across 6 years. The worst was 2024 with 1; the latest was 2024.

Background: reading the West Nile counts; how the dates are worked out.