Mosquito season in Thurston County, NE: when it starts and ends
Mosquito months in Thurston County
In a normal year mosquito season in Thurston County, NE starts around April 21 and ends around October 16, about 25 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Thurston County, and when
- Start tipping out standing water weekly by April 7.
- Book any yard treatment for late April, ahead of the July peak.
- Repellent can go away after October 16.
- 2 West Nile cases since 2016 (last 2016): you should use repellent at dusk June to August, more so if over 60.
Thurston County against the rest of NE
Thurston County has the 51st longest season of 93 NE counties, at 178 days against 200 in Richardson County and 127 in Sioux County. Its mean temperature is 49°F.
- Nance County: April 20 to October 15 (178 days, 4 WNV)
- Pierce County: April 21 to October 16 (178 days, 4 WNV)
- Wayne County: April 21 to October 16 (178 days, 3 WNV)
- Hayes County: April 22 to October 17 (178 days, 1 WNV)
West Nile in Thurston County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Thurston County (2 neuroinvasive) across 3 years. The worst was 2016 with 2; the latest was 2016.
Background: when mosquitoes go away for the winter; how the dates are worked out.