Mosquito season in Greene County, MS: when it starts and ends
Mosquito months in Greene County
In a normal year mosquito season in Greene County, MS starts around March 2 and ends around November 26, about 38 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Greene County, and when
- Start tipping out standing water weekly by February 16.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 26.
- No West Nile cases since 2016, so bites in Greene County are a nuisance; check window screens.
Greene County against the rest of MS
Greene County has the 32nd longest season of 82 MS counties, at 269 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 65.7°F.
- Jefferson County: March 1 to November 25 (269 days, 1 WNV)
- Bolivar County: March 2 to November 26 (269 days, 2 WNV)
- Perry County: March 2 to November 26 (269 days, 2 WNV)
- Washington County: March 2 to November 26 (269 days, 4 WNV)
West Nile in Greene County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Greene County (1 neuroinvasive) across 1 year. The worst was 2004 with 1; the latest was 2004.
More: how the dates are worked out · when mosquitoes go away for the winter.