Forrest County Climate
Forrest County, Mississippi
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
66.5°F
Annual Precip
61.7"
Annual Snowfall
0.9"
Extreme Heat Days
90
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,389
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Forrest County
Climate Verdict
Forrest County has a warm, averaging 66.5°F year-round, very wet conditions receiving 61.7 inches of precipitation annually, significant summer heat with 90.25 days annually above 90°F, light snow averaging 0.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 49.0°F. summers are hot, with July averaging 81.7°F. The 33°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Forrest County closely matches the Mississippi statewide average temperature of 63.9°F, it is somewhat wetter than average for Mississippi, the county experiences 17.11769406392696 more extreme heat days than the state average.
Climate Profile
About Forrest County Weather
A Warm Subtropical Southern Hub
Forrest County maintains an average annual temperature of 66.5°F, placing it significantly higher than the national median. This humid subtropical climate stays consistently warmer than the broader United States average throughout the year.
Outpacing the Mississippi State Average
With an annual average of 66.5°F, Forrest County is warmer than the Mississippi state average of 63.9°F. Its location in the southern part of the state contributes to this thermal gap of 2.6 degrees.
Comparing Regional Rainfall and Heat
The county receives 61.7 inches of rain annually, which exceeds the state average of 59.6 inches. While it shares a similar climate with neighboring Pearl River, it remains slightly cooler than coastal Harrison County.
Ninety Days of Extreme Summer Heat
Residents face 90 days per year with temperatures reaching 90°F or higher. Winters remain mild with a 51.0°F average and a negligible 0.9 inches of annual snowfall.
Prioritizing Cooling and Moisture Control
Homeowners should invest in high-efficiency HVAC systems to manage three full months of extreme heat. Given the 61.7 inches of annual rain, maintaining clear gutters and proper site drainage is essential.
Frequently Asked Questions
What is the average temperature in Forrest County?
How much rain does Forrest County get?
Does it snow in Forrest County?
How hot does Forrest County get in summer?
How cold are winters in Forrest County?
Track your own weather in Forrest County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.