Mosquito season in Bethel Census Area, AK: when it starts and ends
Mosquito months in Bethel Census Area
In a normal year mosquito season in Bethel Census Area, AK starts around June 5 and ends around August 31, about 12 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Bethel Census Area, and when
- Start tipping out standing water weekly by May 22.
- Book any yard treatment for early June, ahead of the July peak.
- Repellent can go away after August 31.
- No West Nile cases since 2016, so bites in Bethel Census Area are a nuisance; check window screens.
Bethel Census Area against the rest of AK
Bethel Census Area has the 17th longest season of 26 AK counties, at 86 days against 142 in Ketchikan Gateway Borough and 48 in Nome Census Area. Its mean temperature is 31.4°F.
- 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)
- Southeast Fairbanks Census Area: May 29 to August 22 (85 days, 0 WNV)
- Kodiak Island Borough: June 16 to September 9 (84 days, 0 WNV)
West Nile in Bethel Census Area
CDC ArboNET lists no human West Nile cases for Bethel Census Area from 1999 to 2025.
See how the dates are worked out, and when the season starts across the US.