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Adams County Climate

Adams County, North Dakota

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec42.6°AVG °F

Avg Annual Temp

42.6°F

Annual Precip

16.1"

Annual Snowfall

33.3"

Extreme Heat Days

26

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.3"
0.4"
0.7"
1.3"
2.6"
3.0"
2.3"
1.7"
1.4"
1.4"
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

2,043

Favors cool-season crops

Last spring frost (32°F): 05/24
First fall frost (32°F): 09/21

Seasonal Overview

Comfort ZoneSpring30°52°4.6"Summer63°69°7.1"Fall30°58°3.3"Winter17°20°1.1"20°40°60°80°100°

National Comparison

Warmer than 6% of US counties
Wetter than 9% of US counties
More seasonal variation than 88% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Adams County

Climate Verdict

Adams County has a cool, averaging 42.6°F annually, semi-arid conditions with only 16.1 inches of annual precipitation, occasional hot days — 25.5 per year above 90°F, moderate snowfall of 33.3 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 16.5°F. summers are pleasantly cool with July averaging 69.5°F. Residents experience a substantial 53°F difference between winter and summer.

Outdoor & Gardening Guidance

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

Regional Context

Adams County closely matches the North Dakota statewide average temperature of 40.9°F, it is somewhat drier than average for North Dakota.

Climate Profile

About Adams County Weather

Adams County Trails National Temperature Medians

Adams County averages 42.6°F annually, reflecting a cold humid continental climate that sits significantly below the national median. This temperature profile places the region among the cooler inhabited zones in the United States.

A Warmer Pocket in North Dakota

Despite its national standing, Adams County is warmer than the North Dakota state average of 41.0°F. Its location in the southern tier helps it maintain one of the milder temperature ranks in the state.

Dry Conditions Compared to the State

The county receives just 16.1 inches of annual precipitation, which is drier than the state average of 19.5 inches. This semi-arid influence distinguishes it from the wetter eastern North Dakota counties.

Scorching Summers and Snow-Swept Winters

The county experiences 26 extreme heat days above 90°F, paired with a significant 33.3 inches of annual snowfall. January temperatures drop to a frigid average of 16.5°F, highlighting a massive seasonal swing.

Prepare for Wide Temperature Extremes

Residents must maintain high-efficiency HVAC systems to handle both the frequent summer heat and the 18.7°F winter average. Proper insulation and moisture-retaining landscaping are essential for this drier climate.

Frequently Asked Questions

What is the average temperature in Adams County?
The average annual temperature in Adams County, ND is 42.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Adams County get?
Adams County receives an average of 16.1 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 Adams County?
Yes, Adams County receives an average of 33.3 inches of snowfall per year according to NOAA climate normals.
How hot does Adams County get in summer?
The average summer temperature (June-August) in Adams County is 66.6°F. The county experiences an average of 26 days per year above 90°F.
How cold are winters in Adams County?
The average winter temperature (December-February) in Adams County is 18.7°F. January, typically the coldest month, averages 16.5°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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