Mosquito season in Gosper County, NE: when it starts and ends
Mosquito months in Gosper County
In a normal year mosquito season in Gosper County, NE starts around April 18 and ends around October 19, about 26 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Gosper County, and when
- Start tipping out standing water weekly by April 4.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 19.
- No West Nile cases since 2016, so bites in Gosper County are a nuisance; check window screens.
Gosper County against the rest of NE
Gosper County has the 35th longest season of 93 NE counties, at 183 days against 200 in Richardson County and 127 in Sioux County. Its mean temperature is 50.4°F.
- Dawson County: April 18 to October 18 (184 days, 14 WNV)
- Butler County: April 18 to October 18 (183 days, 11 WNV)
- Dundy County: April 19 to October 19 (183 days, 1 WNV)
- Franklin County: April 19 to October 19 (183 days, 2 WNV)
West Nile in Gosper County
From 1999 to 2025, CDC ArboNET counted 9 human West Nile cases in Gosper County (4 neuroinvasive) across 6 years. The worst was 2003 with 3; the latest was 2014.
Background: when the season starts across the US; how the dates are worked out.