Mosquito season in Carroll County, MS: when it starts and ends
Mosquito months in Carroll County
In a normal year mosquito season in Carroll County, MS starts around March 3 and ends around November 18, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Carroll County, and when
- Start tipping out standing water weekly by February 17.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 18.
- 1 West Nile case since 2016 (last 2016): you should use repellent at dusk May to September, more so if over 60.
Carroll County against the rest of MS
Carroll County has the 48th longest season of 82 MS counties, at 260 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 62.5°F.
- Hinds County: March 1 to November 18 (262 days, 65 WNV)
- Neshoba County: March 4 to November 21 (262 days, 2 WNV)
- Leflore County: March 3 to November 18 (260 days, 3 WNV)
- Noxubee County: March 5 to November 20 (260 days, 2 WNV)
West Nile in Carroll County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Carroll County (0 neuroinvasive) across 1 year. The worst was 2016 with 1; the latest was 2016.
More: how the dates are worked out · when the season starts across the US.