Mosquito season in Gooding County, ID: when it starts and ends
Mosquito months in Gooding County
In a normal year mosquito season in Gooding County, ID starts around April 19 and ends around October 15, about 26 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Gooding County, and when
- Start tipping out standing water weekly by April 5.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 15.
- 9 West Nile cases since 2016 (last 2025): you should use repellent at dusk July to August, more so if over 60.
Gooding County against the rest of ID
Gooding County has the 4th longest season of 44 ID counties, at 179 days against 194 in Canyon County and 85 in Fremont County. Its mean temperature is 51°F.
- Payette County: April 9 to October 19 (194 days, 6 WNV)
- Ada County: April 12 to October 23 (193 days, 36 WNV)
- Nez Perce County: April 22 to October 14 (175 days, 0 WNV)
- Jerome County: April 25 to October 14 (172 days, 0 WNV)
West Nile in Gooding County
From 1999 to 2025, CDC ArboNET counted 69 human West Nile cases in Gooding County (14 neuroinvasive) across 14 years. The worst was 2006 with 45; the latest was 2025.
Background: reading the West Nile counts; how the dates are worked out.