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

Mosquito months in Bradford County

In a normal year mosquito season in Bradford County, FL starts around January 23 and ends around January 4, 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 Bradford County, and when

• Start tipping out standing water weekly by January 9.
• Book any yard treatment for late January, ahead of the July peak.
• Repellent can go away after January 4.
• No West Nile cases since 2016, so bites in Bradford County are a nuisance; check window screens.

Bradford County against the rest of FL

Bradford County has the 32nd longest season of 67 FL counties, at 346 days against 365 in Broward County and 281 in Gilchrist County. Its mean temperature is 70.8°F.

• DeSoto County: January 28 to January 11 (348 days, 0 WNV)
• Bay County: January 23 to January 5 (347 days, 10 WNV)
• Clay County: January 23 to January 4 (346 days, 3 WNV)
• Union County: January 23 to January 4 (346 days, 0 WNV)

West Nile in Bradford County

CDC ArboNET lists no human West Nile cases for Bradford County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 5 of those years.

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