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

Mosquito months in Evangeline Parish

In a normal year mosquito season in Evangeline Parish, LA starts around February 5 and ends around January 11, about 49 weeks.

What to do in Evangeline Parish, and when

Start tipping out standing water weekly by January 22.
Book any yard treatment for early February, ahead of the August peak.
Repellent can go away after January 11.
2 West Nile cases since 2016 (last 2018): you should use repellent at dusk May to September, more so if over 60.

Evangeline Parish against the rest of LA

Evangeline Parish has the 11th longest season of 64 LA counties, at 340 days against 358 in Orleans Parish and 247 in Claiborne Parish. Its mean temperature is 67.3°F.

Calcasieu Parish: January 27 to January 3 (341 days, 16 WNV)
Lafourche Parish: January 28 to January 3 (340 days, 8 WNV)
St. James Parish: January 28 to January 1 (338 days, 2 WNV)
St. John the Baptist Parish: January 28 to January 1 (338 days, 2 WNV)

West Nile in Evangeline Parish

From 1999 to 2025, CDC ArboNET counted 5 human West Nile cases in Evangeline Parish (5 neuroinvasive) across 5 years. The worst was 2018 with 1; the latest was 2018.

See how the dates are worked out, and where mosquitoes never stop.