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Copiah County Climate

Copiah County, Mississippi

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec65.6°AVG °F

Avg Annual Temp

65.6°F

Annual Precip

62.1"

Annual Snowfall

0.4"

Extreme Heat Days

81

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
6.2"
5.8"
5.8"
5.6"
4.4"
5.2"
5.8"
5.4"
3.9"
3.6"
4.6"
5.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

8b

Minimum winter temperature range for plant survival

Growing Degree Days

6,177

Excellent for heat-loving crops

Last spring frost (32°F): 03/14
First fall frost (32°F): 11/16

Seasonal Overview

Comfort ZoneSpring58°73°15.8"Summer79°81°16.4"Fall56°77°12.1"Winter48°52°17.9"20°40°60°80°100°

National Comparison

Warmer than 89% of US counties
Wetter than 97% of US counties
More seasonal variation than 11% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Copiah County

Climate Verdict

Copiah County has a warm, averaging 65.6°F year-round, very wet conditions receiving 62.1 inches of precipitation annually, significant summer heat with 80.9 days annually above 90°F, light snow averaging 0.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 48.0°F. summers are hot, with July averaging 81.3°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

Copiah County closely matches the Mississippi statewide average temperature of 63.9°F, it is somewhat wetter than average for Mississippi.

Climate Profile

About Copiah County Weather

Significant heat and extreme rainfall

Copiah County is much warmer than the national median, with an average of 65.6°F. It is also exceptionally wet, receiving 62.1 inches of rain annually compared to much lower national norms.

One of Mississippi's wettest counties

Copiah is warmer than the state average of 63.9°F and significantly wetter than the 59.6-inch state average. It ranks among the rainiest counties in the state.

High heat compared to nearby Clarke

With 81 days of extreme heat, Copiah is hotter than neighboring Clarke’s 73 days. It also receives nearly six more inches of rain annually than Claiborne County.

Over eighty days of extreme heat

The county endures 81 days of temperatures over 90°F and a mild winter average of 50.1°F. Snow is almost non-existent here, with an average of just 0.4 inches per year.

Moisture control is a top priority

Maintain high-efficiency cooling for over 80 days of heat and ensure home drainage can handle 62.1 inches of rain. Dehumidifiers are often necessary to combat the intense local humidity.

Frequently Asked Questions

What is the average temperature in Copiah County?
The average annual temperature in Copiah County, MS is 65.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Copiah County get?
Copiah County receives an average of 62.1 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Copiah County?
Yes, Copiah County receives an average of 0.4 inches of snowfall per year according to NOAA climate normals.
How hot does Copiah County get in summer?
The average summer temperature (June-August) in Copiah County is 80.4°F. The county experiences an average of 81 days per year above 90°F.
How cold are winters in Copiah County?
The average winter temperature (December-February) in Copiah County is 50.1°F. January, typically the coldest month, averages 48.0°F.

Track your own weather in Copiah County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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