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Judith Basin County Climate

Judith Basin County, Montana

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec43.4°AVG °F

Avg Annual Temp

43.4°F

Annual Precip

17.7"

Annual Snowfall

44.5"

Extreme Heat Days

11

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.7"
0.6"
0.9"
1.9"
2.9"
3.1"
1.7"
1.5"
1.6"
1.4"
0.8"
0.7"
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

1,571

Favors cool-season crops

Last spring frost (32°F): 05/28
First fall frost (32°F): 09/21

Seasonal Overview

Comfort ZoneSpring33°49°5.6"Summer57°65°6.4"Fall33°56°3.7"Winter26°26°2.0"20°40°60°80°100°

National Comparison

Warmer than 8% of US counties
Wetter than 11% of US counties
More seasonal variation than 32% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Judith Basin County

Climate Verdict

Judith Basin County has a cool, averaging 43.4°F annually, semi-arid conditions with only 17.7 inches of annual precipitation, rare extreme heat with only 10.700000000000001 days above 90°F annually, moderate snowfall of 44.5 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 pleasantly cool with July averaging 65.2°F. The 39°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.

Outdoor & Gardening Guidance

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

Regional Context

Judith Basin County closely matches the Montana statewide average temperature of 43.7°F, it is somewhat wetter than average for Montana.

Climate Profile

About Judith Basin County Weather

Cool temperatures with moderate mountain snow

Judith Basin County averages 43.4°F annually, significantly cooler than the national median. It receives 17.7 inches of precipitation, which is higher than many of its eastern Montana neighbors.

Mirroring the Montana state average

At 43.4°F, Judith Basin County sits almost exactly at the Montana state average of 43.7°F. It serves as a representative baseline for the state's typical climate.

Colder than Golden Valley and Lake

Judith Basin is cooler than Golden Valley (44.9°F) and Lake County (45.9°F). It is, however, warmer than Hill County which sits further north at 42.1°F.

Heavy snow and mild summer heat

Winters are snowy, with 44.5 inches falling annually and a January average of 25.8°F. Summers remain comfortable with only 11 days topping 90°F and a July average of 65.2°F.

Prepare for significant winter snow

Residents should invest in snow blowers or plows to manage the 44.5 inches of annual snowfall. Central air conditioning is less of a priority given that only 11 days a year reach extreme heat levels.

Frequently Asked Questions

What is the average temperature in Judith Basin County?
The average annual temperature in Judith Basin County, MT is 43.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Judith Basin County get?
Judith Basin County receives an average of 17.7 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 Judith Basin County?
Yes, Judith Basin County receives an average of 44.5 inches of snowfall per year according to NOAA climate normals.
How hot does Judith Basin County get in summer?
The average summer temperature (June-August) in Judith Basin County is 62.4°F. The county experiences an average of 11 days per year above 90°F.
How cold are winters in Judith Basin County?
The average winter temperature (December-February) in Judith Basin County is 25.8°F. January, typically the coldest month, averages 25.8°F.

Track your own weather in Judith Basin 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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