Mosquito season in Wharton County, TX: when it starts and ends
Mosquito months in Wharton County
In a normal year mosquito season in Wharton County, TX starts around February 2 and ends around December 25, about 47 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Wharton County, and when
- Start tipping out standing water weekly by January 19.
- Book any yard treatment for early February, ahead of the August peak.
- Repellent can go away after December 25.
- 3 West Nile cases since 2016 (last 2022): you should use repellent at dusk April to October, more so if over 60.
Wharton County against the rest of TX
Wharton County has the 36th longest season of 254 TX counties, at 326 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 70.5°F.
- Lee County: February 17 to January 13 (330 days, 0 WNV)
- Liberty County: January 30 to December 22 (326 days, 4 WNV)
- Kenedy County: January 31 to December 22 (325 days, 0 WNV)
- Newton County: February 19 to January 10 (325 days, 1 WNV)
West Nile in Wharton County
From 1999 to 2025, CDC ArboNET counted 9 human West Nile cases in Wharton County (9 neuroinvasive) across 7 years. The worst was 2012 with 3; the latest was 2022.
More: how the dates are worked out · when the season starts across the US.