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Cascade County Climate

JanFebMarAprMayJunJulAugSepOctNovDec44.8°AVG °F

Avg Annual Temp

44.8°F

Annual Precip

14.2"

Annual Snowfall

59.9"

Extreme Heat Days

18

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.5"
0.5"
0.7"
1.7"
2.4"
2.7"
1.2"
1.2"
1.3"
1.0"
0.6"
0.5"
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

1,767

Favors cool-season crops

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

Seasonal Overview

Comfort ZoneSpring35°51°4.7"Summer59°67°5.1"Fall34°57°3.0"Winter26°27°1.5"20°40°60°80°100°

National Comparison

Warmer than 12% of US counties
Wetter than 6% of US counties
More seasonal variation than 39% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Cascade County

Climate Verdict

Cascade County has a cool, averaging 44.8°F annually, arid conditions receiving just 14.2 inches of precipitation annually, rare extreme heat with only 18.271428571428572 days above 90°F annually, moderate snowfall of 59.9 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 26.3°F. summers are pleasantly cool with July averaging 66.8°F. The 41°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

Cascade County closely matches the Montana statewide average temperature of 43.7°F.

Climate Profile

About Cascade County Weather

Northern Average Below National Median

Cascade County averages 44.8°F annually, keeping it on the cooler side of the national spectrum. Its climate is influenced by its position where the plains meet the mountains.

Slightly Warmer Than the State Average

With an average of 44.8°F, Cascade is about one degree warmer than the Montana state average of 43.7°F. This makes it a relatively temperate choice within the state.

Notable Snowfall on the Plains

Cascade receives 59.9 inches of snow annually, much higher than neighbors like Broadwater. Its 14.2 inches of total precipitation is slightly below the state average.

Milder Winters and Snowy Springs

The county has a relatively high winter average of 26.8°F and a summer average of 63.9°F. It records 18 days of extreme heat over 90°F annually.

Winter Road Readiness is Key

Because of the 59.9 inches of snow, residents should maintain good tires and emergency road kits. The 18.2% warmer-than-average winters still require efficient home heating systems.

Frequently Asked Questions

What is the average temperature in Cascade County?
The average annual temperature in Cascade County, MT is 44.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Cascade County get?
Cascade County receives an average of 14.2 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 Cascade County?
Yes, Cascade County receives an average of 59.9 inches of snowfall per year according to NOAA climate normals.
How hot does Cascade County get in summer?
The average summer temperature (June-August) in Cascade County is 63.9°F. The county experiences an average of 18 days per year above 90°F.
How cold are winters in Cascade County?
The average winter temperature (December-February) in Cascade County is 26.8°F. January, typically the coldest month, averages 26.3°F.

Track your own weather in Cascade 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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