Mosquito season in Tazewell County, VA: when it starts and ends

Mosquito months in Tazewell County

In a normal year mosquito season in Tazewell County, VA starts around April 13 and ends around October 24, about 28 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 Tazewell County, and when

• Start tipping out standing water weekly by March 30.
• Book any yard treatment for mid April, ahead of the July peak.
• Repellent can go away after October 24.
• No West Nile cases since 2016, so bites in Tazewell County are a nuisance; check window screens.

Tazewell County against the rest of VA

Tazewell County has the 126th longest season of 133 VA counties, at 194 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 52.1°F.

• Russell County: April 13 to October 25 (195 days, 0 WNV)
• Galax city: April 13 to October 25 (195 days, 0 WNV)
• Dickenson County: April 15 to October 26 (194 days, 0 WNV)
• Cumberland County: April 16 to October 26 (193 days, 0 WNV)

West Nile in Tazewell County

CDC ArboNET lists no human West Nile cases for Tazewell County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.

Background: when the season starts across the US; how the dates are worked out.