Mosquito season in Pontotoc County, MS: when it starts and ends

Mosquito months in Pontotoc County

In a normal year mosquito season in Pontotoc County, MS starts around March 13 and ends around November 20, about 36 weeks.

1. Jan
2. Feb
3. Mar
4. Apr
5. May
6. Jun
7. Jul
8. Aug
9. Sep
10. Oct
11. Nov
12. Dec

What to do in Pontotoc County, and when

• Start tipping out standing water weekly by February 27.
• Book any yard treatment for mid March, ahead of the July peak.
• Repellent can go away after November 20.
• 1 West Nile case since 2016 (last 2023): you should use repellent at dusk May to September, more so if over 60.

Pontotoc County against the rest of MS

Pontotoc County has the 59th longest season of 82 MS counties, at 252 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 61.9°F.

• Newton County: March 9 to November 18 (254 days, 0 WNV)
• Tate County: March 9 to November 16 (252 days, 2 WNV)
• Jasper County: March 10 to November 15 (250 days, 0 WNV)
• Calhoun County: March 12 to November 17 (250 days, 9 WNV)

West Nile in Pontotoc County

From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Pontotoc County (1 neuroinvasive) across 3 years. The worst was 2023 with 1; the latest was 2023.

Background: when mosquitoes go away for the winter; how the dates are worked out.