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Campbell County Climate

Campbell County, South Dakota

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec44.3°AVG °F

Avg Annual Temp

44.3°F

Annual Precip

18.3"

Annual Snowfall

34.4"

Extreme Heat Days

23

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.5"
0.5"
0.7"
1.3"
2.9"
3.2"
2.7"
2.2"
1.7"
1.6"
0.5"
0.4"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

4b

Minimum winter temperature range for plant survival

Growing Degree Days

2,581

Supports most vegetables & fruits

Last spring frost (32°F): 05/08
First fall frost (32°F): 09/30

Seasonal Overview

Comfort ZoneSpring31°57°4.9"Summer67°73°8.2"Fall31°62°3.8"Winter14°19°1.4"20°40°60°80°100°

National Comparison

Warmer than 11% of US counties
Wetter than 12% of US counties
More seasonal variation than 98% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Campbell County

Climate Verdict

Campbell County has a cool, averaging 44.3°F annually, semi-arid conditions with only 18.3 inches of annual precipitation, occasional hot days — 22.6 per year above 90°F, moderate snowfall of 34.4 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 13.5°F. summers are warm — July averages 72.6°F. Residents experience a substantial 59°F difference between winter and summer.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Campbell County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Campbell County closely matches the South Dakota statewide average temperature of 45.6°F, it is somewhat drier than average for South Dakota.

Climate Profile

About Campbell County Weather

Chilly North-Central Plains Living

Campbell County's average temperature of 44.3°F reflects a cool continental climate typical of the northern plains. This is significantly cooler than the national median, shaped by long, cold winters.

Cooler Than the State Average

At 44.3°F, Campbell County stays cooler than the South Dakota average of 45.6°F. It is also quite dry, receiving 18.3 inches of precipitation compared to the state average of 22.7 inches.

Typical Temperatures for the Region

Campbell’s climate closely tracks its neighbor Corson County, which averages 44.1°F. However, Campbell sees slightly fewer extreme heat days, with 23 days reaching 90°F or higher.

Sharp Temperature Swings Throughout the Year

Winter is intense here, with January averages plunging to 13.5°F and 34.4 inches of snow falling annually. Summers are warm but brief, peaking in July with an average of 72.6°F.

Winter Preparedness is Priority One

Heating systems must be robust to handle winter averages of 16.8°F from December through February. While summers reach 90°F frequently, the primary focus for residents is managing snow and extreme cold.

Frequently Asked Questions

What is the average temperature in Campbell County?
The average annual temperature in Campbell County, SD is 44.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Campbell County get?
Campbell County receives an average of 18.3 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 Campbell County?
Yes, Campbell County receives an average of 34.4 inches of snowfall per year according to NOAA climate normals.
How hot does Campbell County get in summer?
The average summer temperature (June-August) in Campbell County is 70.1°F. The county experiences an average of 23 days per year above 90°F.
How cold are winters in Campbell County?
The average winter temperature (December-February) in Campbell County is 16.8°F. January, typically the coldest month, averages 13.5°F.

Track your own weather in Campbell 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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