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

Mosquito months in Natchitoches Parish

In a normal year mosquito season in Natchitoches Parish, LA starts around February 8 and ends around January 3, about 47 weeks.

What to do in Natchitoches Parish, and when

Start tipping out standing water weekly by January 25.
Book any yard treatment for early February, ahead of the July peak.
Repellent can go away after January 3.
2 West Nile cases since 2016 (last 2022): you should use repellent at dusk May to September, more so if over 60.

Natchitoches Parish against the rest of LA

Natchitoches Parish has the 24th longest season of 64 LA counties, at 329 days against 358 in Orleans Parish and 247 in Claiborne Parish. Its mean temperature is 67.9°F.

Acadia Parish: January 31 to December 26 (329 days, 1 WNV)
Avoyelles Parish: February 7 to January 2 (329 days, 1 WNV)
St. Bernard Parish: February 2 to December 25 (326 days, 0 WNV)
Allen Parish: February 12 to January 4 (326 days, 4 WNV)

West Nile in Natchitoches Parish

From 1999 to 2025, CDC ArboNET counted 9 human West Nile cases in Natchitoches Parish (5 neuroinvasive) across 6 years. The worst was 2003 with 3; the latest was 2022.

See how the dates are worked out, and when the season starts across the US.