Mosquito season in Albany County, WY: when it starts and ends
Mosquito months in Albany County
In a normal year mosquito season in Albany County, WY starts around May 22 and ends around September 14, about 16 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Albany County, and when
- Start tipping out standing water weekly by May 8.
- Book any yard treatment for late May, ahead of the July peak.
- Repellent can go away after September 14.
- 1 West Nile case since 2016 (last 2016): you should use repellent at dusk July, more so if over 60.
Albany County against the rest of WY
Albany County has the 18th longest season of 23 WY counties, at 115 days against 163 in Big Horn County and 75 in Teton County. Its mean temperature is 41.4°F.
- Hot Springs County: May 14 to September 29 (138 days, 1 WNV)
- Carbon County: May 17 to September 26 (132 days, 1 WNV)
- Uinta County: May 30 to September 20 (113 days, 1 WNV)
- Park County: June 4 to September 17 (105 days, 3 WNV)
West Nile in Albany County
From 1999 to 2025, CDC ArboNET counted 8 human West Nile cases in Albany County (2 neuroinvasive) across 5 years. The worst was 2003 with 4; the latest was 2016.
More: how the dates are worked out · when the season starts across the US.