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

Mosquito months in Lowndes County

In a normal year mosquito season in Lowndes County, MS starts around February 26 and ends around November 27, about 39 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 Lowndes County, and when

• Start tipping out standing water weekly by February 12.
• Book any yard treatment for late February, ahead of the July peak.
• Repellent can go away after November 27.
• 6 West Nile cases since 2016 (last 2025): you should use repellent at dusk May to September, more so if over 60.

Lowndes County against the rest of MS

Lowndes County has the 21st longest season of 82 MS counties, at 274 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 65.3°F.

• Walthall County: February 28 to December 1 (276 days, 1 WNV)
• Wilkinson County: February 28 to December 1 (276 days, 1 WNV)
• Clarke County: February 28 to November 29 (274 days, 4 WNV)
• Franklin County: February 28 to November 29 (274 days, 0 WNV)

West Nile in Lowndes County

From 1999 to 2025, CDC ArboNET counted 17 human West Nile cases in Lowndes County (10 neuroinvasive) across 10 years. The worst was 2006 with 5; the latest was 2025.

See how the dates are worked out, and reading the West Nile counts.