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

Mosquito months in Scott County

In a normal year mosquito season in Scott County, MS starts around March 14 and ends around November 12, about 35 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 Scott County, and when

• Start tipping out standing water weekly by February 28.
• Book any yard treatment for mid March, ahead of the July peak.
• Repellent can go away after November 12.
• 3 West Nile cases since 2016 (last 2017): you should use repellent at dusk May to September, more so if over 60.

Scott County against the rest of MS

Scott County has the 70th longest season of 82 MS counties, at 243 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 63.2°F.

• Choctaw County: March 16 to November 16 (245 days, 0 WNV)
• Webster County: March 16 to November 16 (245 days, 0 WNV)
• Yalobusha County: March 16 to November 14 (243 days, 2 WNV)
• Panola County: March 15 to November 12 (242 days, 6 WNV)

West Nile in Scott County

From 1999 to 2025, CDC ArboNET counted 18 human West Nile cases in Scott County (10 neuroinvasive) across 9 years. The worst was 2002 with 5; the latest was 2017.

Background: when the season starts across the US; how the dates are worked out.