Mosquito season in Claiborne County, TN: when it starts and ends

Mosquito months in Claiborne County

In a normal year mosquito season in Claiborne County, TN starts around April 10 and ends around October 28, about 29 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 Claiborne County, and when

• Start tipping out standing water weekly by March 27.
• Book any yard treatment for early April, ahead of the July peak.
• Repellent can go away after October 28.
• No West Nile cases since 2016, so bites in Claiborne County are a nuisance; check window screens.

Claiborne County against the rest of TN

Claiborne County has the 92nd longest season of 95 TN counties, at 201 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 54.8°F.

• Van Buren County: April 8 to October 29 (204 days, 0 WNV)
• Scott County: April 7 to October 27 (203 days, 0 WNV)
• Grainger County: April 11 to October 27 (199 days, 0 WNV)
• Johnson County: April 12 to October 24 (195 days, 0 WNV)

West Nile in Claiborne County

CDC ArboNET lists no human West Nile cases for Claiborne County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.

More: how the dates are worked out · when the season starts across the US.