Mosquito season in Upshur County, TX: when it starts and ends
Mosquito months in Upshur County
In a normal year mosquito season in Upshur County, TX starts around March 9 and ends around November 19, about 36 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Upshur County, and when
- Start tipping out standing water weekly by February 23.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 19.
- 7 West Nile cases since 2016 (last 2025): you should use repellent at dusk May to September, more so if over 60.
Upshur County against the rest of TX
Upshur County has the 164th longest season of 254 TX counties, at 255 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 63.9°F.
- Falls County: March 8 to November 18 (255 days, 1 WNV)
- Kimble County: March 9 to November 19 (255 days, 0 WNV)
- Hood County: March 10 to November 20 (255 days, 13 WNV)
- Scurry County: March 10 to November 20 (255 days, 0 WNV)
West Nile in Upshur County
From 1999 to 2025, CDC ArboNET counted 11 human West Nile cases in Upshur County (8 neuroinvasive) across 7 years. The worst was 2025 with 3; the latest was 2025.
See how the dates are worked out, and reading the West Nile counts.