Mosquito season in Talbot County, MD: when it starts and ends

Mosquito months in Talbot County

In a normal year mosquito season in Talbot County, MD starts around March 26 and ends around November 13, about 33 weeks.

What to do in Talbot County, and when

Start tipping out standing water weekly by March 12.
Book any yard treatment for late March, ahead of the July peak.
Repellent can go away after November 13.
2 West Nile cases since 2016 (last 2023): you should use repellent at dusk June to September, more so if over 60.

Talbot County against the rest of MD

Talbot County has the 5th longest season of 24 MD counties, at 232 days against 235 in Wicomico County and 175 in Garrett County. Its mean temperature is 58°F.

St. Mary's County: March 26 to November 15 (234 days, 0 WNV)
Anne Arundel County: March 26 to November 13 (232 days, 12 WNV)
Dorchester County: March 27 to November 14 (232 days, 0 WNV)
Somerset County: March 27 to November 13 (231 days, 0 WNV)

West Nile in Talbot County

From 1999 to 2025, CDC ArboNET counted 5 human West Nile cases in Talbot County (2 neuroinvasive) across 3 years. The worst was 2012 with 3; the latest was 2023.

See how the dates are worked out, and when the season starts across the US.