Mosquito season in Madison County, FL: when it starts and ends
Mosquito months in Madison County
In a normal year mosquito season in Madison County, FL starts around February 14 and ends around December 15, about 43 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Madison County, and when
- Start tipping out standing water weekly by January 31.
- Book any yard treatment for mid February, ahead of the July peak.
- Repellent can go away after December 15.
- No West Nile cases since 2016, so bites in Madison County are a nuisance; check window screens.
Madison County against the rest of FL
Madison County has the 56th longest season of 67 FL counties, at 304 days against 365 in Broward County and 281 in Gilchrist County. Its mean temperature is 67.6°F.
- Columbia County: February 13 to December 15 (305 days, 0 WNV)
- Dixie County: February 13 to December 14 (304 days, 0 WNV)
- Calhoun County: February 15 to December 15 (303 days, 0 WNV)
- Liberty County: February 15 to December 15 (303 days, 0 WNV)
West Nile in Madison County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Madison County (2 neuroinvasive) across 1 year. The worst was 2001 with 2; the latest was 2001.
More: how the dates are worked out · when the season starts across the US.