Mosquito season in Red River Parish, LA: when it starts and ends
Mosquito months in Red River Parish
In a normal year mosquito season in Red River Parish, LA starts around March 7 and ends around November 19, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Red River Parish, and when
- Start tipping out standing water weekly by February 21.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 19.
- No West Nile cases since 2016, so bites in Red River Parish are a nuisance; check window screens.
Red River Parish against the rest of LA
Red River Parish has the 63rd longest season of 64 LA counties, at 257 days against 358 in Orleans Parish and 247 in Claiborne Parish. Its mean temperature is 65°F.
- Bienville Parish: March 4 to November 23 (264 days, 2 WNV)
- Sabine Parish: March 6 to November 24 (263 days, 0 WNV)
- Claiborne Parish: March 14 to November 16 (247 days, 1 WNV)
West Nile in Red River Parish
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Red River Parish (2 neuroinvasive) across 2 years. The worst was 2010 with 1; the latest was 2010.
More: how the dates are worked out · when mosquitoes go away for the winter.