Mosquito season in Tensas Parish, LA: when it starts and ends
Mosquito months in Tensas Parish
In a normal year mosquito season in Tensas Parish, LA starts around February 27 and ends around November 22, about 38 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Tensas Parish, and when
- Start tipping out standing water weekly by February 13.
- Book any yard treatment for late February, ahead of the July peak.
- Repellent can go away after November 22.
- No West Nile cases since 2016, so bites in Tensas Parish are a nuisance; check window screens.
Tensas Parish against the rest of LA
Tensas Parish has the 58th longest season of 64 LA counties, at 268 days against 358 in Orleans Parish and 247 in Claiborne Parish. Its mean temperature is 65.6°F.
- LaSalle Parish: March 1 to November 25 (269 days, 1 WNV)
- Morehouse Parish: March 2 to November 26 (269 days, 6 WNV)
- Vernon Parish: February 28 to November 23 (268 days, 0 WNV)
- Winn Parish: February 28 to November 23 (268 days, 0 WNV)
West Nile in Tensas Parish
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Tensas Parish (0 neuroinvasive) across 1 year. The worst was 2002 with 1; the latest was 2002.
Background: when mosquitoes go away for the winter; how the dates are worked out.