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Hughes County Climate

Hughes County, South Dakota

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec45.6°AVG °F

Avg Annual Temp

45.6°F

Annual Precip

19.9"

Annual Snowfall

40.2"

Extreme Heat Days

35

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.5"
0.6"
0.9"
1.9"
3.1"
3.6"
2.6"
2.1"
1.8"
1.6"
0.7"
0.6"
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

2,711

Supports most vegetables & fruits

Last spring frost (32°F): 05/17
First fall frost (32°F): 10/03

Seasonal Overview

Comfort ZoneSpring33°56°6.0"Summer67°74°8.2"Fall33°63°4.0"Winter17°22°1.6"20°40°60°80°100°

National Comparison

Warmer than 15% of US counties
Wetter than 14% of US counties
More seasonal variation than 94% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Hughes County

Climate Verdict

Hughes County has a cool, averaging 45.6°F annually, semi-arid conditions with only 19.9 inches of annual precipitation, occasional hot days — 34.85 per year above 90°F, moderate snowfall of 40.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 17.1°F. summers are warm — July averages 73.8°F. Residents experience a substantial 57°F difference between winter and summer.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Hughes 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 Hughes County Weather

A Classic Semi-Arid Plains Climate

Hughes County maintains an annual average temperature of 45.6°F, which is notably cooler than the national median. This central South Dakota region experiences wide temperature swings and relatively low annual moisture.

The Benchmark for South Dakota

Hughes County sits exactly at the South Dakota state average of 45.6°F for annual temperature. Its 19.9 inches of precipitation is slightly lower than the statewide average of 22.7 inches.

More Extreme Heat than Hand

Hughes County is hotter in the summer than neighboring Hand County, logging 35 days above 90°F compared to Hand's 20 days. It is also drier, receiving 19.9 inches of rain while Hand gets 22.3 inches.

Intense Heat and Moderate Snow

July is hot with an average of 73.8°F and 35 days of extreme heat. Winter brings 40.2 inches of snowfall and a January average of 17.1°F, creating a true four-season experience.

Dual-Season System Maintenance

Air conditioning is critical for the five weeks of 90°F temperatures seen each summer. Homeowners should also ensure heaters can handle the 19.9°F winter average and manage the 40.2 inches of annual snow.

Frequently Asked Questions

What is the average temperature in Hughes County?
The average annual temperature in Hughes County, SD is 45.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Hughes County get?
Hughes County receives an average of 19.9 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 Hughes County?
Yes, Hughes County receives an average of 40.2 inches of snowfall per year according to NOAA climate normals.
How hot does Hughes County get in summer?
The average summer temperature (June-August) in Hughes County is 70.8°F. The county experiences an average of 35 days per year above 90°F.
How cold are winters in Hughes County?
The average winter temperature (December-February) in Hughes County is 19.9°F. January, typically the coldest month, averages 17.1°F.

Track your own weather in Hughes 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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