Mosquito season in Skagway Municipality, AK: when it starts and ends
Mosquito months in Skagway Municipality
In a normal year mosquito season in Skagway Municipality, AK starts around May 14 and ends around September 18, about 18 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Skagway Municipality, and when
- Start tipping out standing water weekly by April 30.
- Book any yard treatment for mid May, ahead of the July peak.
- Repellent can go away after September 18.
- No West Nile cases since 2016, so bites in Skagway Municipality are a nuisance; check window screens.
Skagway Municipality against the rest of AK
Skagway Municipality has the 3rd longest season of 26 AK counties, at 128 days against 142 in Ketchikan Gateway Borough and 48 in Nome Census Area. Its mean temperature is 42.1°F.
- Ketchikan Gateway Borough: May 12 to October 1 (142 days, 0 WNV)
- Wrangell City and Borough: May 15 to September 25 (133 days, 0 WNV)
- Prince of Wales-Hyder Census Area: May 24 to September 26 (125 days, 0 WNV)
- Petersburg Borough: May 22 to September 20 (121 days, 0 WNV)
West Nile in Skagway Municipality
CDC ArboNET lists no human West Nile cases for Skagway Municipality from 1999 to 2025.
Background: when the season starts across the US; how the dates are worked out.