Mosquito season in Volusia County, FL: when it starts and ends

Mosquito months in Volusia County

In a normal year mosquito season in Volusia County, FL starts around January 31 and ends around January 10, about 49 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 Volusia County, and when

• Start tipping out standing water weekly by January 17.
• Book any yard treatment for late January, ahead of the August peak.
• Repellent can go away after January 10.
• 3 West Nile cases since 2016 (last 2022): you should use repellent at dusk May to October, more so if over 60.

Volusia County against the rest of FL

Volusia County has the 35th longest season of 67 FL counties, at 344 days against 365 in Broward County and 281 in Gilchrist County. Its mean temperature is 71°F.

• Clay County: January 23 to January 4 (346 days, 3 WNV)
• Union County: January 23 to January 4 (346 days, 0 WNV)
• Gulf County: January 31 to January 5 (339 days, 0 WNV)
• Highlands County: February 4 to January 7 (337 days, 0 WNV)

West Nile in Volusia County

From 1999 to 2025, CDC ArboNET counted 10 human West Nile cases in Volusia County (10 neuroinvasive) across 6 years. The worst was 2014 with 4; the latest was 2022.

Background: where mosquitoes never stop; how the dates are worked out.