Mosquito season in Bingham County, ID: when it starts and ends

Mosquito months in Bingham County

In a normal year mosquito season in Bingham County, ID starts around April 28 and ends around October 9, about 23 weeks.

1. Jan
2. Feb
3. Mar
4. Apr
5. May
6. Jun
7. Jul
8. Aug
9. Sep
10. Oct
11. Nov
12. Dec

What to do in Bingham County, and when

• Start tipping out standing water weekly by April 14.
• Book any yard treatment for late April, ahead of the July peak.
• Repellent can go away after October 9.
• 2 West Nile cases since 2016 (last 2023): you should use repellent at dusk July to July, more so if over 60.

Bingham County against the rest of ID

Bingham County has the 10th longest season of 44 ID counties, at 164 days against 194 in Canyon County and 85 in Fremont County. Its mean temperature is 47.1°F.

• Power County: April 26 to October 11 (168 days, 0 WNV)
• Gem County: April 28 to October 12 (167 days, 7 WNV)
• Franklin County: April 30 to October 10 (163 days, 2 WNV)
• Washington County: April 28 to October 7 (162 days, 19 WNV)

West Nile in Bingham County

From 1999 to 2025, CDC ArboNET counted 154 human West Nile cases in Bingham County (24 neuroinvasive) across 4 years. The worst was 2006 with 145; the latest was 2023.

See how the dates are worked out, and when the season starts across the US.