Mosquito season in Franklin County, MS: when it starts and ends
Mosquito months in Franklin County
In a normal year mosquito season in Franklin 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 Franklin 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.
- No West Nile cases since 2016, so bites in Franklin County are a nuisance; check window screens.
Franklin County against the rest of MS
Franklin County has the 23rd longest season of 82 MS counties, at 274 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 65.6°F.
- Lowndes County: February 26 to November 27 (274 days, 6 WNV)
- Clarke County: February 28 to November 29 (274 days, 4 WNV)
- Kemper County: February 27 to November 27 (273 days, 0 WNV)
- Rankin County: February 28 to November 28 (273 days, 32 WNV)
West Nile in Franklin County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Franklin County (0 neuroinvasive) across 1 year. The worst was 2012 with 1; the latest was 2012.
More: how the dates are worked out · when the season starts across the US.