Mosquito season in Coahoma County, MS: when it starts and ends
Mosquito months in Coahoma County
In a normal year mosquito season in Coahoma County, MS starts around March 4 and ends around November 23, about 38 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Coahoma County, and when
- Start tipping out standing water weekly by February 18.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 23.
- No West Nile cases since 2016, so bites in Coahoma County are a nuisance; check window screens.
Coahoma County against the rest of MS
Coahoma County has the 43rd longest season of 82 MS counties, at 264 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 62.4°F.
- Tunica County: March 4 to November 23 (265 days, 0 WNV)
- Winston County: March 7 to November 27 (265 days, 0 WNV)
- Attala County: March 5 to November 24 (264 days, 3 WNV)
- Leake County: March 3 to November 21 (263 days, 4 WNV)
West Nile in Coahoma County
From 1999 to 2025, CDC ArboNET counted 15 human West Nile cases in Coahoma County (8 neuroinvasive) across 9 years. The worst was 2002 with 5; the latest was 2014.
See how the dates are worked out, and when mosquitoes go away for the winter.