Mosquito season in Issaquena County, MS: when it starts and ends
Mosquito months in Issaquena County
In a normal year mosquito season in Issaquena County, MS starts around February 21 and ends around December 6, about 41 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Issaquena County, and when
- Start tipping out standing water weekly by February 7.
- Book any yard treatment for late February, ahead of the July peak.
- Repellent can go away after December 6.
- No West Nile cases since 2016, so bites in Issaquena County are a nuisance; check window screens.
Issaquena County against the rest of MS
Issaquena County has the 12th longest season of 82 MS counties, at 288 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 65.1°F.
- Hancock County: February 16 to December 4 (291 days, 1 WNV)
- Marion County: February 19 to December 4 (288 days, 4 WNV)
- Humphreys County: February 19 to December 4 (287 days, 3 WNV)
- Forrest County: February 20 to December 4 (287 days, 18 WNV)
West Nile in Issaquena County
CDC ArboNET lists no human West Nile cases for Issaquena County from 1999 to 2025.
Background: when mosquitoes go away for the winter; how the dates are worked out.