Mosquito season in Copper River Census Area, AK: when it starts and ends
Mosquito months in Copper River Census Area
In a normal year mosquito season in Copper River Census Area, AK starts around June 4 and ends around August 23, about 11 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Copper River Census Area, and when
- Start tipping out standing water weekly by May 21.
- Book any yard treatment for early June, ahead of the July peak.
- Repellent can go away after August 23.
- No West Nile cases since 2016, so bites in Copper River Census Area are a nuisance; check window screens.
Copper River Census Area against the rest of AK
Copper River Census Area has the 21st longest season of 26 AK counties, at 80 days against 142 in Ketchikan Gateway Borough and 48 in Nome Census Area. Its mean temperature is 27.7°F.
- Kodiak Island Borough: June 16 to September 9 (84 days, 0 WNV)
- Anchorage Municipality: June 7 to August 28 (82 days, 1 WNV)
- Lake and Peninsula Borough: June 15 to August 31 (77 days, 0 WNV)
- Denali Borough: June 6 to August 18 (73 days, 0 WNV)
West Nile in Copper River Census Area
CDC ArboNET lists no human West Nile cases for Copper River Census Area from 1999 to 2025.
Background: when the season starts across the US; how the dates are worked out.