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Bolivar County Climate

Bolivar County, Mississippi

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec63.4°AVG °F

Avg Annual Temp

63.4°F

Annual Precip

56.7"

Annual Snowfall

1.0"

Extreme Heat Days

86

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
5.4"
5.4"
5.3"
5.4"
5.4"
4.5"
3.4"
3.6"
3.8"
4.4"
4.7"
5.4"
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

5,725

Excellent for heat-loving crops

Last spring frost (32°F): 03/15
First fall frost (32°F): 11/15

Seasonal Overview

Comfort ZoneSpring54°72°16.1"Summer80°82°11.5"Fall53°76°12.9"Winter42°46°16.2"20°40°60°80°100°

National Comparison

Warmer than 82% of US counties
Wetter than 91% of US counties
More seasonal variation than 34% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Bolivar County

Climate Verdict

Bolivar County has a warm, averaging 63.4°F year-round, very wet conditions receiving 56.7 inches of precipitation annually, significant summer heat with 86.25 days annually above 90°F, light snow averaging 1.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 42.3°F. summers are hot, with July averaging 81.9°F. The 40°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

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

Climate Profile

About Bolivar County Weather

Extreme Heat in the Delta

Bolivar County's annual average temperature of 63.4°F is well above the national median. This Delta region is known for intense humidity and a high volume of extreme heat days. It averages 56.7 inches of rain, making it one of the drier parts of the state despite the humid air.

Hotter Summers than State Average

While the annual average of 63.4°F is near the state average of 63.9°F, Bolivar's extreme heat is more intense. It receives less precipitation than the state average of 59.6 inches. This combination makes for a particularly oppressive summer season.

The Hottest Peak in the Region

Bolivar's July average of 81.9°F is higher than neighbors like Calhoun (81.0°F) or Benton (78.9°F). It records 86 days of extreme heat, significantly more than the 60 days seen in Alcorn. This makes it a hotspot even by Mississippi standards.

Extreme Heat and Mild Snow

With 86 days over 90°F, Bolivar has one of the longest heat seasons in the state. Winters are mild at 44.5°F, and the county typically sees only 1.0 inch of snow. July is the peak of the heat with an average of 81.9°F.

Prioritizing Extreme Heat Safety

Eighty-six days of extreme heat demand reliable HVAC systems and sun protection. Residents should manage water carefully, as the 56.7 inches of rain is lower than in southern counties. Winter coats are necessary for the 44.5°F winter average, though snow remains rare.

Frequently Asked Questions

What is the average temperature in Bolivar County?
The average annual temperature in Bolivar County, MS is 63.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Bolivar County get?
Bolivar County receives an average of 56.7 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 Bolivar County?
Yes, Bolivar County receives an average of 1.0 inches of snowfall per year according to NOAA climate normals.
How hot does Bolivar County get in summer?
The average summer temperature (June-August) in Bolivar County is 81.0°F. The county experiences an average of 86 days per year above 90°F.
How cold are winters in Bolivar County?
The average winter temperature (December-February) in Bolivar County is 44.5°F. January, typically the coldest month, averages 42.3°F.

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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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