Mosquito season in Kidder County, ND: when it starts and ends
Mosquito months in Kidder County
In a normal year mosquito season in Kidder County, ND starts around May 6 and ends around October 2, about 21 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Kidder County, and when
- Start tipping out standing water weekly by April 22.
- Book any yard treatment for early May, ahead of the July peak.
- Repellent can go away after October 2.
- 2 West Nile cases since 2016 (last 2025): you should use repellent at dusk July, more so if over 60.
Kidder County against the rest of ND
Kidder County has the 25th longest season of 53 ND counties, at 149 days against 160 in Sheridan County and 135 in Rolette County. Its mean temperature is 41.2°F.
- Eddy County: May 6 to October 1 (149 days, 0 WNV)
- Grand Forks County: May 6 to October 1 (149 days, 17 WNV)
- Logan County: May 6 to October 2 (149 days, 0 WNV)
- McKenzie County: May 6 to October 2 (149 days, 12 WNV)
West Nile in Kidder County
From 1999 to 2025, CDC ArboNET counted 6 human West Nile cases in Kidder County (3 neuroinvasive) across 4 years. The worst was 2003 with 3; the latest was 2025.
More: how the dates are worked out · when the season starts across the US.