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

Mosquito months in Russell County

In a normal year mosquito season in Russell County, VA starts around April 13 and ends around October 25, 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 Russell 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 25.
• No West Nile cases since 2016, so bites in Russell County are a nuisance; check window screens.

Russell County against the rest of VA

Russell County has the 124th longest season of 133 VA counties, at 195 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 53.6°F.

• Covington city: April 14 to October 27 (196 days, 0 WNV)
• Carroll County: April 13 to October 25 (195 days, 0 WNV)
• Galax city: April 13 to October 25 (195 days, 0 WNV)
• Tazewell County: April 13 to October 24 (194 days, 0 WNV)

West Nile in Russell County

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

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