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Climate and Average Weather Year Round in Montana United States

We show the climate in Montana by comparing the average weather in 3 representative places: Billings, Missoula, and Bozeman.

You can add or remove cities to customize the report to your liking. See all locations in Montana.

You can drill down to a specific season, month, and even day by clicking the graphs or using the navigation panel.

Billings
Montana, United States
Missoula
Montana, United States
Bozeman
Montana, United States
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Average High and Low Temperature in Montana

Average High and Low Temperature in MontanaJanFebMarAprMayJunJulAugSepOctNovDec10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F63209036548730511284NowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The daily average high and low air temperature at 2 meters above the ground.
HighJanFebMarAprMayJunJulAugSepOctNovDec
Billings 38°F43°F52°F61°F70°F80°F89°F87°F76°F62°F47°F37°F
Missoula 32°F38°F49°F58°F67°F75°F85°F84°F72°F57°F41°F31°F
Bozeman 32°F36°F46°F55°F63°F73°F83°F82°F71°F57°F41°F31°F
LowJanFebMarAprMayJunJulAugSepOctNovDec
Billings 21°F24°F31°F38°F47°F55°F62°F60°F51°F41°F30°F22°F
Missoula 20°F23°F29°F35°F42°F48°F53°F51°F44°F35°F27°F19°F
Bozeman 14°F17°F24°F31°F38°F45°F50°F48°F41°F32°F22°F14°F

Billings

Average Hourly Temperature in BillingsJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowfreezingfreezingfreezingvery coldcoldcoldcoolwarmhotfreezingcomfortablevery coldcomfortable

Missoula

Average Hourly Temperature in MissoulaJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowfreezingfreezingvery coldvery coldcoolcoolwarmcomfortable

Bozeman

Average Hourly Temperature in BozemanJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowfreezingfreezingvery coldcoldcoolwarmcoolcomfortable
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Chance of Clearer Skies in Montana

Chance of Clearer Skies in MontanaJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%773834NowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The percentage of time the sky is clear, mostly clear, or partly cloudy (i.e., less than 60% of the sky is covered by clouds).
Clearer SkiesJanFebMarAprMayJunJulAugSepOctNovDec
Billings 42%41%39%43%49%62%75%74%65%55%47%44%
Missoula 35%38%37%42%46%57%75%73%64%52%41%36%
Bozeman 40%40%38%42%47%60%75%74%65%55%45%41%

Daily Chance of Precipitation in Montana

Daily Chance of Precipitation in MontanaJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%29436153911NowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The percentage of days in which precipitation is observed, excluding trace quantities.
Days of Precip.JanFebMarAprMayJunJulAugSepOctNovDec
Billings 1.7d1.5d3.2d5.6d8.1d7.4d4.8d3.5d4.1d3.5d2.3d1.7d
Missoula 7.3d5.8d7.3d6.9d9.2d9.0d5.4d5.1d5.3d6.4d7.7d7.8d
Bozeman 4.0d3.7d6.0d8.0d10.9d9.6d6.1d5.7d5.3d5.5d5.2d4.7d

Average Monthly Rainfall in Montana

Average Monthly Rainfall in MontanaJanFebMarAprMayJunJulAugSepOctNovDec0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 in2.00.12.30.62.6NowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The average rainfall accumulated over the course of a sliding 31-day period centered on the day in question.
RainfallJanFebMarAprMayJunJulAugSepOctNovDec
Billings 0.1″0.1″0.4″1.0″1.9″1.7″0.8″0.7″0.9″0.8″0.2″0.1″
Missoula 0.6″0.7″1.0″1.2″1.9″2.0″0.9″0.9″1.0″1.1″1.2″0.8″
Bozeman 0.2″0.2″0.5″1.2″2.3″2.2″1.0″0.9″1.1″0.9″0.5″0.2″

Average Monthly Snowfall in Montana

Average Monthly Snowfall in MontanaJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in7 in7 in8 in8 in1.57.14.1NowNowBillingsBillingsMissoulaMissoula
The average snowfall accumulated over the course of a sliding 31-day period centered on the day in question.
SnowfallJanFebMarAprMayJunJulAugSepOctNovDec
Billings 1.3″1.1″1.4″0.9″0.4″0.0″0.0″0.0″0.2″0.5″1.0″1.5″
Missoula 6.1″3.5″1.6″0.2″0.0″0.0″0.0″0.0″0.0″0.3″2.5″6.1″
Bozeman 3.4″2.8″3.3″2.6″0.7″0.1″0.0″0.0″0.1″1.0″2.9″4.1″

Hours of Daylight in Montana

Hours of Daylight in MontanaJanFebMarAprMayJunJulAugSepOctNovDec4 hr4 hr6 hr6 hr8 hr8 hr10 hr10 hr12 hr12 hr14 hr14 hr16 hr16 hr18 hr18 hr20 hr20 hr15.78.7NowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The number of hours during which the Sun is at least partly above the horizon.
DaylightJanFebMarAprMayJunJulAugSepOctNovDec
Billings 9.2h10.4h12.0h13.6h15.0h15.7h15.3h14.0h12.5h10.9h9.4h8.7h
Missoula 9.0h10.4h12.0h13.7h15.1h15.8h15.4h14.1h12.5h10.8h9.3h8.6h
Bozeman 9.2h10.4h12.0h13.6h15.0h15.7h15.3h14.0h12.5h10.9h9.5h8.7h

Chance of Muggy Conditions in Montana

Chance of Muggy Conditions in MontanaJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%NowNowBillingsBillings
The percentage of time that is muggy, oppressive, or miserable (i.e., a dew point greater than 65°F).
Muggy daysJanFebMarAprMayJunJulAugSepOctNovDec
Billings 0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d
Missoula 0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d
Bozeman 0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d

Average Wind Speed in Montana

Average Wind Speed in MontanaJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mph8 mph8 mph9 mph9 mph10 mph10 mph11 mph11 mph12 mph12 mph10.87.24.63.98.95.1NowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The average of mean hourly wind speeds at 10 meters above the ground.
Wind Speed (mph)JanFebMarAprMayJunJulAugSepOctNovDec
Billings 10.710.29.79.58.98.17.37.48.39.29.810.3
Missoula 4.64.54.54.54.24.14.03.94.14.34.54.5
Bozeman 8.78.27.77.06.35.85.35.36.06.98.18.7

Tourism Score in Montana

Tourism Score in MontanaJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.40.16.3NowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The tourism score, which favors clear, rainless days with perceived temperatures between 65°F and 80°F.

Beach/Pool Score in Montana

Beach/Pool Score in MontanaJanFebMarAprMayJunJulAugSepOctNovDec002244668810104.93.2NowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The beach/pool score, which favors clear, rainless days with perceived temperatures between 75°F and 90°F.

Growing Season in Montana

Growing Season in MontanaJanFebMarAprMayJunJulAugSepOctNovDec0%0%20%20%40%40%60%60%80%80%100%100%NowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The percentage chance that a given day is within the growing season, defined as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Growing Degree Days in Montana

Growing Degree Days in MontanaJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°FNowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The average growing degree days accumulated over the course of the year, where growing degree days are defined as the integral of warmth above a base temperature (50°F in this case).

Average Daily Incident Shortwave Solar Energy in Montana

Average Daily Incident Shortwave Solar Energy in MontanaJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh7.61.5NowNowBillingsBillingsMissoulaMissoulaBozemanBozeman
The average daily shortwave solar energy reaching the ground per square meter.
Solar Energy (kWh)JanFebMarAprMayJunJulAugSepOctNovDec
Billings 1.82.84.15.46.57.37.46.55.03.32.01.5
Missoula 1.62.63.95.36.47.17.56.54.93.21.81.3
Bozeman 1.92.94.15.56.57.47.66.75.13.42.11.6

This report illustrates the typical weather for Billings, Missoula, and Bozeman year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

The details of the data sources used on this page vary between places and are discussed in detail on each place's dedicated page:

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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