Mosquito season in Clarke County, MS: when it starts and ends
Mosquito months in Clarke County
In a normal year mosquito season in Clarke County, MS starts around February 28 and ends around November 29, about 39 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Clarke County, and when
- Start tipping out standing water weekly by February 14.
- Book any yard treatment for late February, ahead of the July peak.
- Repellent can go away after November 29.
- 4 West Nile cases since 2016 (last 2024): you should use repellent at dusk May to September, more so if over 60.
Clarke County against the rest of MS
Clarke County has the 22nd longest season of 82 MS counties, at 274 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 64.8°F.
- Wilkinson County: February 28 to December 1 (276 days, 1 WNV)
- Lowndes County: February 26 to November 27 (274 days, 6 WNV)
- Franklin County: February 28 to November 29 (274 days, 0 WNV)
- Kemper County: February 27 to November 27 (273 days, 0 WNV)
West Nile in Clarke County
From 1999 to 2025, CDC ArboNET counted 8 human West Nile cases in Clarke County (7 neuroinvasive) across 6 years. The worst was 2023 with 2; the latest was 2024.
Background: reading the West Nile counts; how the dates are worked out.