Mosquito season in Walton County, FL: when it starts and ends
Mosquito months in Walton County
In a normal year mosquito season in Walton County, FL starts around February 12 and ends around December 16, about 44 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Walton County, and when
- Start tipping out standing water weekly by January 29.
- Book any yard treatment for mid February, ahead of the July peak.
- Repellent can go away after December 16.
- 1 West Nile case since 2016 (last 2024): you should use repellent at dusk May to September, more so if over 60.
Walton County against the rest of FL
Walton County has the 52nd longest season of 67 FL counties, at 307 days against 365 in Broward County and 281 in Gilchrist County. Its mean temperature is 67.6°F.
- Alachua County: February 12 to December 25 (316 days, 0 WNV)
- Santa Rosa County: February 13 to December 24 (314 days, 4 WNV)
- Baker County: February 17 to December 21 (307 days, 0 WNV)
- Columbia County: February 13 to December 15 (305 days, 0 WNV)
West Nile in Walton County
From 1999 to 2025, CDC ArboNET counted 8 human West Nile cases in Walton County (4 neuroinvasive) across 4 years. The worst was 2012 with 4; the latest was 2024.
Background: when the season starts across the US; how the dates are worked out.