Mosquito season in Adams County, MS: when it starts and ends
Mosquito months in Adams County
In a normal year mosquito season in Adams County, MS starts around March 1 and ends around November 22, about 38 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Adams County, and when
- Start tipping out standing water weekly by February 15.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 22.
- 6 West Nile cases since 2016 (last 2024): you should use repellent at dusk May to September, more so if over 60.
Adams County against the rest of MS
Adams County has the 40th longest season of 82 MS counties, at 266 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 64.5°F.
- Covington County: March 4 to November 26 (267 days, 2 WNV)
- Jefferson Davis County: March 4 to November 26 (267 days, 2 WNV)
- Tunica County: March 4 to November 23 (265 days, 0 WNV)
- Winston County: March 7 to November 27 (265 days, 0 WNV)
West Nile in Adams County
From 1999 to 2025, CDC ArboNET counted 36 human West Nile cases in Adams County (21 neuroinvasive) across 13 years. The worst was 2012 with 6; the latest was 2024.
Background: reading the West Nile counts; how the dates are worked out.