Great Falls weather in February

In February, Great Falls sees average daytime highs of 36°F and overnight lows near 19°F, with 0.7 in of precipitation across 5.8 wet days and about 9.9 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°F through the month. The sky is clear or mostly clear about 27% of the time in February, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of February to 10 h 42 min by month's end. Set against the rest of the year, February is Great Falls's 8th-clearest and 4th-windiest month. For the whole year in context, see Great Falls's year-round climate.

Daytime high
36°
10th warmest
Overnight low
19°
2nd coldest
Precipitation
0.7 in
5.8 wet days
Daylight
9 h 54 min
7:41 AM – 5:38 PM
Cloud cover
62%
8th clearest
Wind
9 mph
4th windiest
Solar energy
2.73 kWh/m²
Travel score
0.0
out of 10

Great Falls is city in and county seat of Cascade County, Montana, United States.

Density
985/km²
people per km²
Founded
1883

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 36°F through the month.

A typical February day in Great Falls reaches about 36°F in the afternoon and slips back to 19°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 15°F and 52°F. Set against its neighbours, February runs about 3°F warmer than January and about 9°F cooler than March.

20°40°60°151015202528
Avg high (°F)Avg low (°F)
13519
23519
33519
43519
53519
63519
73519
83619
93619
103619
113619
123619
133620
143620
153620
163620
173620
183620
193620
203720
213719
223719
233719
243719
253719
263720
273820
283820

How February really feels in Great Falls

Once humidity and wind are folded in, February averages 0 days that feel above 90°F and 28 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
28
28 feel bitter (≤ 14°F)

The story in February is cold — wind chill drags the overnight "feels like" below the raw low.

Great Falls weather by month

How February compares with the rest of the year at a glance. February is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 18°0.85.75.78.70.0
Feb36° / 19°0.75.85.99.90.0
Mar45° / 26°1.075.311.61.2
Apr55° / 34°2.09.44.213.33.5
May65° / 43°2.410.81.114.95.7
Jun73° / 50°2.910.50.115.76.6
Jul84° / 56°0.95.1015.46.5
Aug83° / 55°1.14.8014.17.0
Sep71° / 47°1.46.30.212.47.3
Oct57° / 37°1.372.510.64.3
Nov43° / 27°0.95.84.79.10.7
Dec34° / 20°0.85.75.68.30.0

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 15% of February, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54258
64258
74258
84258
94159
104159
114159
124258
134258
144258
154258
164258
174357
184258
194258
204357
214357
224258
234258
244258
254258
264258
274258
284159

Chance of precipitation in February

Any precipitationSnow

Great Falls gets around 0.7 in of rain and snow over 5.8 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 20% and peaks near 23% on the wettest days, and about 6 days bring snow.

0%10%20%30%151015202528
Rain chance (%)Snow chance (%)
11918
21919
31919
41920
51920
61920
71920
81921
91921
101921
111921
121921
131921
142021
152021
162021
172021
182021
192122
202122
212122
222222
232222
242222
252222
262322
272322
282322

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, February lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202528
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100

Wind in February

Winds average 9 mph in February.

Across February, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202528
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze

Sunrise & sunset in February

DaylightNight

Daylight runs from about 9 h 18 min at the start of February to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over February. Sunrise moves from 8:01 AM to 7:19 AM, and sunset from 5:16 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
19.38:015:16
29.38:005:18
39.37:595:20
49.47:575:21
59.47:565:23
69.57:555:24
79.57:535:26
89.67:525:27
99.67:515:29
109.77:495:30
119.77:485:32
129.87:465:33
139.87:455:35
149.97:435:37
159.97:415:38
1610.07:405:40
1710.07:385:41
1810.17:375:43
1910.27:355:44
2010.27:335:46
2110.37:325:47
2210.37:305:49
2310.47:285:51
2410.47:265:52
2510.57:255:54
2610.57:235:55
2710.67:215:57
2810.77:195:58

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 2.73 kWh/m².

For context, solar energy here swings from a low near 1.39 kWh/m² to a high of 7.32 kWh/m² in July across the year — February's 2.73 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.1Moderate
22.2Moderate
32.2Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.4Moderate
82.4Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.6Moderate
132.6Moderate
142.7Moderate
152.7Moderate
162.8Moderate
172.8Moderate
182.9Moderate
192.9Moderate
203.0Moderate
213.0Moderate
223.1Moderate
233.1Moderate
243.2Moderate
253.2Moderate
263.3Moderate
273.3Moderate
283.4Moderate
Planning a trip in February

Is February a good time to visit Great Falls?

Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

February is a weaker month for outdoor sightseeing in Great Falls.

What to pack for Great Falls in February

From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In February, Great Falls sees daytime highs around 36°F and nights near 19°F. Pack a warm layer and a heavy coat. About 6 days see rain.

a warm layera heavy coat

UV index in Great Falls in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Great Falls peaks around July 14 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May7High
Jun7Very high
Jul8Very high
Aug6High
Sep5Moderate
Oct4Moderate
Nov1Low
Dec1Low

Air quality in Great Falls in February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.

Air quality in Great Falls is worst in August — around 23 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (December, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1323 µg/m³Dec 106 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb6Good
Mar11Good
Apr13Moderate
May12Good
Jun9Good
Jul20Moderate
Aug23Moderate
Sep16Moderate
Oct8Good
Nov6Good
Dec6Good
Location & terrain

Where is Great Falls?

Great Falls sits at 47.5°N, 111.3°W, 3,330 ft above sea level, in United States. The nearest listed city is Helena, 71 mi away.

Topography around Great Falls

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Great Falls.

Within 2 miles, the terrain around Great Falls has only modest variations in elevation — a maximum elevation change of 217 ft around an average of 3,366 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,270 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,588 ft.

The land around Great Falls is covered by artificial surfaces (52%) and grassland (22%) within 2 miles, grassland (51%) and cropland (38%) within 10 miles, and grassland (55%) and cropland (31%) within 50 miles.

2 miles
217 ft
10 miles
1,270 ft
50 miles
6,588 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Helena 71 mi · Butte 119 mi · Bozeman 126 mi · Missoula 134 mi · Kalispell 148 mi · Whitefish 154 mi · Lethbridge 167 mi · Medicine Hat 178 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Great Falls (47.5002°, -111.3008°, elevation 3,330 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).