Mosquito season in Rains County, TX: when it starts and ends
Mosquito months in Rains County
In a normal year mosquito season in Rains County, TX starts around March 6 and ends around November 26, about 38 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Rains County, and when
- Start tipping out standing water weekly by February 20.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 26.
- 1 West Nile case since 2016 (last 2016): you should use repellent at dusk May to September, more so if over 60.
Rains County against the rest of TX
Rains County has the 133rd longest season of 254 TX counties, at 265 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 63.4°F.
- Lampasas County: March 6 to November 26 (265 days, 0 WNV)
- Leon County: March 6 to November 26 (265 days, 0 WNV)
- Marion County: March 3 to November 22 (264 days, 0 WNV)
- Cooke County: March 5 to November 24 (264 days, 8 WNV)
West Nile in Rains County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Rains County (2 neuroinvasive) across 2 years. The worst was 2016 with 1; the latest was 2016.
More: how the dates are worked out · when the season starts across the US.