weatherbycounty

Arthur County Climate

JanFebMarAprMayJunJulAugSepOctNovDec48.8°AVG °F

Avg Annual Temp

48.8°F

Annual Precip

20.6"

Annual Snowfall

32.9"

Extreme Heat Days

38

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.4"
0.5"
1.1"
2.2"
3.4"
3.2"
3.5"
2.3"
1.9"
1.4"
0.5"
0.3"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

5b

Minimum winter temperature range for plant survival

Growing Degree Days

2,858

Supports most vegetables & fruits

Last spring frost (32°F): 05/09
First fall frost (32°F): 10/03

Seasonal Overview

Comfort ZoneSpring38°57°6.7"Summer68°74°9.0"Fall37°63°3.7"Winter26°29°1.2"20°40°60°80°100°

National Comparison

Warmer than 26% of US counties
Wetter than 15% of US counties
More seasonal variation than 75% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Arthur County

Climate Verdict

Arthur County has a cool, averaging 48.8°F annually, semi-arid conditions with only 20.6 inches of annual precipitation, occasional hot days — 37.6 per year above 90°F, moderate snowfall of 32.9 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 25.8°F. summers are warm — July averages 74.1°F. The 48°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

Arthur County closely matches the Nebraska statewide average temperature of 49.7°F, it is also noticeably drier, receiving 5.3 inches less precipitation than the state average.

Climate Profile

About Arthur County Weather

Dry and Cool High Plains

Arthur County's 48.8°F average temperature falls below the national median. The county is notably dry, receiving only 20.6 inches of precipitation annually.

Drier Than the Nebraska Average

The county receives over 5 inches less moisture than the Nebraska state average of 25.9 inches. Its annual temperature of 48.8°F also tracks slightly cooler than the state average.

Intense Sun and Arid Air

Arthur faces 38 days of extreme heat, significantly more than the 17 days recorded in eastern Antelope County. Its 32.9 inches of snow is typical for the central Sandhills.

Vast Temperature Swings

Summers feature 38 days over 90°F, yet the winter average remains a chilly 27.1°F. This creates a volatile environment where residents manage both 32.9 inches of snow and summer heat.

Plan for Arid Extremes

Water conservation is vital during the dry summers where temperatures frequently spike. Ensure your HVAC system is rated for both the 38 heat days and the 25.8°F January nights.

Frequently Asked Questions

What is the average temperature in Arthur County?
The average annual temperature in Arthur County, NE is 48.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Arthur County get?
Arthur County receives an average of 20.6 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 Arthur County?
Yes, Arthur County receives an average of 32.9 inches of snowfall per year according to NOAA climate normals.
How hot does Arthur County get in summer?
The average summer temperature (June-August) in Arthur County is 71.4°F. The county experiences an average of 38 days per year above 90°F.
How cold are winters in Arthur County?
The average winter temperature (December-February) in Arthur County is 27.1°F. January, typically the coldest month, averages 25.8°F.

Track your own weather in Arthur 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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