Butte weather in April

In April, Butte sees average daytime highs of 45°F and overnight lows near 24°F, with 2.2 in of precipitation across 11.7 wet days and about 13.3 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 42°F in the first days to 49°F by the end. The sky is clear or mostly clear about 15% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 14 hours by month's end. Set against the rest of the year, April is Butte's 12th-clearest and 2nd-windiest month. For the whole year in context, see Butte's year-round climate.

Daytime high
45°
7th warmest
Overnight low
24°
6th coldest
Precipitation
2.2 in
11.7 wet days
Daylight
13 h 18 min
5:51 AM – 7:09 PM
Cloud cover
70%
12th clearest
Wind
5 mph
2nd windiest
Solar energy
5.82 kWh/m²
Travel score
1.0
out of 10

Butte is consolidated city-county (with Silver Bow County) in Montana, United States.

Density
18/km²
people per km²
Founded
1864

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 42°F in the first days to 49°F by the end.

A typical April day in Butte reaches about 45°F in the afternoon and slips back to 24°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 34°F and 57°F. Set against its neighbours, April runs about 8°F warmer than March and about 11°F cooler than May.

20°40°60°151015202530
Avg high (°F)Avg low (°F)
14120
24120
34221
44221
54221
64221
74222
84322
94322
104322
114423
124423
134423
144523
154524
164524
174624
184624
194625
204625
214725
224725
234726
244826
254826
264826
274927
284927
294927
305027

How April really feels in Butte

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 30 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
30
5 feel bitter (≤ 14°F)

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

Butte weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan27° / 0.96.98.18.90.0
Feb30° / 11°0.96.98.1100.0
Mar38° / 17°1.49.89.411.60.0
Apr45° / 24°2.211.7913.31.0
May56° / 33°3.114.84.214.73.2
Jun65° / 40°3.313.81.315.55.3
Jul76° / 46°1.58.60.115.27.3
Aug76° / 45°1.170.1147.7
Sep65° / 38°1.46.6112.36.3
Oct49° / 28°1.38.24.510.72.3
Nov35° / 16°1.27.67.39.20.0
Dec26° / 1.07.48.68.50.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in April, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22872
32872
42872
52872
62872
72872
82872
92971
102971
112971
122971
133169
143169
153169
163268
173268
183367
193367
203367
213367
223466
233466
243466
253466
263466
273565
283565
293565
303565

Chance of precipitation in April

Any precipitationSnow

Butte gets around 2.2 in of rain and snow over 11.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 40% on the wettest days, and about 9 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13735
23735
33734
43734
53734
63733
73733
83733
93732
103732
113732
123731
133831
143830
153830
163829
173929
183928
193928
204028
214027
224027
234026
244026
254025
264025
274024
284023
294023
304022

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
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
29100
30100

Wind in April

Winds average 5 mph in April.

Across April, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over April. Sunrise moves from 6:20 AM to 5:27 AM, and sunset from 6:49 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:206:49
212.56:186:51
312.66:166:52
412.76:146:53
512.76:126:55
612.86:106:56
712.86:086:57
812.96:066:59
912.96:057:00
1013.06:037:01
1113.06:017:03
1213.15:597:04
1313.15:577:05
1413.25:557:07
1513.35:537:08
1613.35:517:09
1713.45:497:11
1813.45:487:12
1913.55:467:14
2013.55:447:15
2113.65:427:16
2213.65:407:18
2313.75:397:19
2413.75:377:20
2513.85:357:22
2613.85:337:23
2713.95:327:24
2813.95:307:26
2914.05:287:27
3014.05:277:28

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.82 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 7.42 kWh/m² in July across the year — April's 5.82 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.6Bright
105.6Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
186.0Bright
196.0Bright
206.0Intense
216.0Intense
226.1Intense
236.1Intense
246.2Intense
256.2Intense
266.2Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in April

Is April a good time to visit Butte?

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

1.0
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Butte.

What to pack for Butte in April

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

In April, Butte sees daytime highs around 45°F and nights near 24°F. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 12 days see rain.

a warm layera heavy coatrain gearsun protection

UV index in Butte in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Butte peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr5Moderate
May7Very high
Jun8Very high
Jul9Very high
Aug7High
Sep5High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Butte in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Butte is worst in September — around 30 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (January, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1329 µg/m³Jan 196 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar10Good
Apr10Good
May10Good
Jun9Good
Jul16Moderate
Aug21Moderate
Sep30Moderate
Oct9Good
Nov7Good
Dec8Good
Location & terrain

Where is Butte?

Butte sits at 46.0°N, 112.5°W, 5,538 ft above sea level, in United States. The nearest listed city is Helena, 47 mi away.

Topography around Butte

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

Within 2 miles, the terrain around Butte has significant variations in elevation — a maximum elevation change of 1,060 ft around an average of 5,617 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,494 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,228 ft.

The land around Butte is covered by artificial surfaces (40%) and grassland (36%) within 2 miles, trees (49%) and grassland (43%) within 10 miles, and trees (48%) and grassland (46%) within 50 miles.

2 miles
1,060 ft
10 miles
3,494 ft
50 miles
7,228 ft
treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen
April weather nearby: Helena 47 mi · Bozeman 75 mi · Missoula 92 mi · Great Falls 119 mi · Rexburg 155 mi · Kalispell 173 mi · Idaho Falls 177 mi · Whitefish 186 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 Butte (46.0038°, -112.5347°, elevation 5,538 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).