Mosquito season in Yalobusha County, MS: when it starts and ends
Mosquito months in Yalobusha County
In a normal year mosquito season in Yalobusha County, MS starts around March 16 and ends around November 14, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Yalobusha County, and when
- Start tipping out standing water weekly by March 2.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 14.
- 2 West Nile cases since 2016 (last 2025): you should use repellent at dusk June to September, more so if over 60.
Yalobusha County against the rest of MS
Yalobusha County has the 71st longest season of 82 MS counties, at 243 days against 333 in Harrison County and 221 in Tishomingo County. Its mean temperature is 61.9°F.
- Webster County: March 16 to November 16 (245 days, 0 WNV)
- Scott County: March 14 to November 12 (243 days, 3 WNV)
- Panola County: March 15 to November 12 (242 days, 6 WNV)
- Holmes County: March 16 to November 12 (241 days, 1 WNV)
West Nile in Yalobusha County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Yalobusha County (1 neuroinvasive) across 2 years. The worst was 2025 with 1; the latest was 2025.
More: how the dates are worked out · when mosquitoes go away for the winter.