Mosquito season in Jackson Parish, LA: when it starts and ends
Mosquito months in Jackson Parish
In a normal year mosquito season in Jackson Parish, LA starts around February 24 and ends around December 1, about 40 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Jackson Parish, and when
- Start tipping out standing water weekly by February 10.
- Book any yard treatment for late February, ahead of the July peak.
- Repellent can go away after December 1.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk May to September, more so if over 60.
Jackson Parish against the rest of LA
Jackson Parish has the 48th longest season of 64 LA counties, at 280 days against 358 in Orleans Parish and 247 in Claiborne Parish. Its mean temperature is 64.6°F.
- Tangipahoa Parish: February 21 to December 2 (284 days, 21 WNV)
- De Soto Parish: February 22 to December 1 (282 days, 10 WNV)
- Lincoln Parish: February 24 to December 1 (280 days, 5 WNV)
- Ouachita Parish: February 23 to November 29 (279 days, 31 WNV)
West Nile in Jackson Parish
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Jackson Parish (0 neuroinvasive) across 2 years. The worst was 2017 with 1; the latest was 2017.
More: how the dates are worked out · when the season starts across the US.