Mosquito season in Wrangell City and Borough, AK: when it starts and ends
Mosquito months in Wrangell City and Borough
In a normal year mosquito season in Wrangell City and Borough, AK starts around May 15 and ends around September 25, about 19 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Wrangell City and Borough, and when
- Start tipping out standing water weekly by May 1.
- Book any yard treatment for mid May, ahead of the July peak.
- Repellent can go away after September 25.
- No West Nile cases since 2016, so bites in Wrangell City and Borough are a nuisance; check window screens.
Wrangell City and Borough against the rest of AK
Wrangell City and Borough has the 2nd longest season of 26 AK counties, at 133 days against 142 in Ketchikan Gateway Borough and 48 in Nome Census Area. Its mean temperature is 44.8°F.
- Ketchikan Gateway Borough: May 12 to October 1 (142 days, 0 WNV)
- Skagway Municipality: May 14 to September 18 (128 days, 0 WNV)
- Prince of Wales-Hyder Census Area: May 24 to September 26 (125 days, 0 WNV)
West Nile in Wrangell City and Borough
CDC ArboNET lists no human West Nile cases for Wrangell City and Borough from 1999 to 2025.
Background: when mosquitoes go away for the winter; how the dates are worked out.