Mosquito season in Newport News city, VA: when it starts and ends

Mosquito months in Newport News city

In a normal year mosquito season in Newport News city, VA starts around March 20 and ends around November 19, about 35 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 Newport News city, and when

• Start tipping out standing water weekly by March 6.
• Book any yard treatment for mid March, ahead of the July peak.
• Repellent can go away after November 19.
• 3 West Nile cases since 2016 (last 2024): you should use repellent at dusk June to September, more so if over 60.

Newport News city against the rest of VA

Newport News city has the 11th longest season of 133 VA counties, at 244 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 59.7°F.

• Suffolk city: March 18 to November 17 (244 days, 0 WNV)
• James City County: March 20 to November 19 (244 days, 0 WNV)
• Williamsburg city: March 20 to November 19 (244 days, 0 WNV)
• Charles City County: March 18 to November 15 (242 days, 0 WNV)

West Nile in Newport News city

From 1999 to 2025, CDC ArboNET counted 6 human West Nile cases in Newport News city (5 neuroinvasive) across 6 years. The worst was 2024 with 1; the latest was 2024.

See how the dates are worked out, and when the season starts across the US.