Mosquito season in Lincoln Parish, LA: when it starts and ends

Mosquito months in Lincoln Parish

In a normal year mosquito season in Lincoln Parish, LA starts around February 24 and ends around December 1, about 40 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 Lincoln Parish, and when

• Start tipping out standing water weekly by February 10.
• Book any yard treatment for late February, ahead of the July peak.
• Repellent can go away after December 1.
• 5 West Nile cases since 2016 (last 2025): you should use repellent at dusk May to September, more so if over 60.

Lincoln Parish against the rest of LA

Lincoln Parish has the 49th longest season of 64 LA counties, at 280 days against 358 in Orleans Parish and 247 in Claiborne Parish. Its mean temperature is 64.7°F.

• De Soto Parish: February 22 to December 1 (282 days, 10 WNV)
• Jackson Parish: February 24 to December 1 (280 days, 1 WNV)
• Ouachita Parish: February 23 to November 29 (279 days, 31 WNV)
• Franklin Parish: February 23 to November 27 (277 days, 9 WNV)

West Nile in Lincoln Parish

From 1999 to 2025, CDC ArboNET counted 11 human West Nile cases in Lincoln Parish (8 neuroinvasive) across 8 years. The worst was 2017 with 2; the latest was 2025.

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