Mosquito season in Camas County, ID: when it starts and ends
Mosquito months in Camas County
In a normal year mosquito season in Camas County, ID starts around May 28 and ends around September 19, about 16 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Camas County, and when
- Start tipping out standing water weekly by May 14.
- Book any yard treatment for late May, ahead of the July peak.
- Repellent can go away after September 19.
- No West Nile cases since 2016, so bites in Camas County are a nuisance; check window screens.
Camas County against the rest of ID
Camas County has the 36th longest season of 44 ID counties, at 114 days against 194 in Canyon County and 85 in Fremont County. Its mean temperature is 40.1°F.
- Valley County: May 30 to September 23 (116 days, 1 WNV)
- Bear Lake County: May 25 to September 16 (114 days, 0 WNV)
- Elmore County: May 30 to September 18 (111 days, 4 WNV)
- Caribou County: May 27 to September 12 (108 days, 0 WNV)
West Nile in Camas County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Camas County (1 neuroinvasive) across 1 year. The worst was 2006 with 2; the latest was 2006.
See how the dates are worked out, and when mosquitoes go away for the winter.