Mosquito season in Garden County, NE: when it starts and ends
Mosquito months in Garden County
In a normal year mosquito season in Garden County, NE starts around May 2 and ends around October 9, about 23 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Garden County, and when
- Start tipping out standing water weekly by April 18.
- Book any yard treatment for early May, ahead of the July peak.
- Repellent can go away after October 9.
- 4 West Nile cases since 2016 (last 2023): you should use repellent at dusk July to August, more so if over 60.
Garden County against the rest of NE
Garden County has the 88th longest season of 93 NE counties, at 160 days against 200 in Richardson County and 127 in Sioux County. Its mean temperature is 47.9°F.
- Keya Paha County: May 1 to October 9 (161 days, 0 WNV)
- Custer County: May 2 to October 9 (160 days, 14 WNV)
- Dawes County: May 5 to October 7 (155 days, 5 WNV)
- Kimball County: May 6 to October 6 (153 days, 2 WNV)
West Nile in Garden County
From 1999 to 2025, CDC ArboNET counted 26 human West Nile cases in Garden County (4 neuroinvasive) across 7 years. The worst was 2003 with 18; the latest was 2023.
See how the dates are worked out, and reading the West Nile counts.