Mosquito season in Acadia Parish, LA: when it starts and ends
Mosquito months in Acadia Parish
In a normal year mosquito season in Acadia Parish, LA starts around January 31 and ends around December 26, about 47 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Acadia Parish, and when
- Start tipping out standing water weekly by January 17.
- Book any yard treatment for late January, ahead of the August peak.
- Repellent can go away after December 26.
- 1 West Nile case since 2016 (last 2025): you should use repellent at dusk May to September, more so if over 60.
Acadia Parish against the rest of LA
Acadia Parish has the 22nd longest season of 64 LA counties, at 329 days against 358 in Orleans Parish and 247 in Claiborne Parish. Its mean temperature is 68.1°F.
- Assumption Parish: February 1 to December 28 (330 days, 3 WNV)
- St. Martin Parish: January 29 to December 24 (329 days, 2 WNV)
- Avoyelles Parish: February 7 to January 2 (329 days, 1 WNV)
- Natchitoches Parish: February 8 to January 3 (329 days, 2 WNV)
West Nile in Acadia Parish
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Acadia Parish (3 neuroinvasive) across 3 years. The worst was 2005 with 2; the latest was 2025.
More: how the dates are worked out · when the season starts across the US.