Mosquito season in Yakutat City and Borough, AK: when it starts and ends

Mosquito months in Yakutat City and Borough

In a normal year mosquito season in Yakutat City and Borough, AK starts around June 8 and ends around September 9, about 13 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 Yakutat City and Borough, and when

• Start tipping out standing water weekly by May 25.
• Book any yard treatment for early June, ahead of the July peak.
• Repellent can go away after September 9.
• No West Nile cases since 2016, so bites in Yakutat City and Borough are a nuisance; check window screens.

Yakutat City and Borough against the rest of AK

Yakutat City and Borough has the 14th longest season of 26 AK counties, at 93 days against 142 in Ketchikan Gateway Borough and 48 in Nome Census Area. Its mean temperature is 40.6°F.

• Bristol Bay Borough: June 3 to September 9 (97 days, 0 WNV)
• Hoonah-Angoon Census Area: June 3 to September 7 (95 days, 0 WNV)
• Yukon-Koyukuk Census Area: May 26 to August 24 (90 days, 0 WNV)
• Matanuska-Susitna Borough: June 2 to August 28 (86 days, 0 WNV)

West Nile in Yakutat City and Borough

CDC ArboNET lists no human West Nile cases for Yakutat City and Borough from 1999 to 2025.

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