Mosquito season in Itawamba County, MS: when it starts and ends
Mosquito months in Itawamba County
In a normal year mosquito season in Itawamba County, MS starts around March 21 and ends around November 9, about 33 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Itawamba County, and when
- Start tipping out standing water weekly by March 7.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 9.
- 1 West Nile case since 2016 (last 2018): you should use repellent at dusk June to September, more so if over 60.
Itawamba County against the rest of MS
Itawamba County has the 78th longest season of 82 MS counties, at 233 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 60.9°F.
- Lafayette County: March 21 to November 12 (236 days, 0 WNV)
- Tippah County: March 21 to November 10 (234 days, 0 WNV)
- Marshall County: March 25 to November 7 (227 days, 0 WNV)
- Montgomery County: March 26 to November 7 (226 days, 1 WNV)
West Nile in Itawamba County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Itawamba County (1 neuroinvasive) across 1 year. The worst was 2018 with 1; the latest was 2018.
Background: when mosquitoes go away for the winter; how the dates are worked out.