Missoula weather in July

In July, Missoula sees average daytime highs of 82°F and overnight lows near 53°F, with 0.7 in of rain across 4.6 wet days and about 15.3 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 78°F in the first days to 85°F by the end. The sky is clear or mostly clear about 58% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 h 36 min at the start of July to 14 h 48 min by month's end. Set against the rest of the year, July is Missoula's 1st-clearest and 5th-windiest month. For the whole year in context, see Missoula's year-round climate.

Daytime high
82°
1st warmest
Overnight low
53°
12th coldest
Rainfall
0.7 in
4.6 wet days
Daylight
15 h 18 min
5:02 AM – 8:21 PM
Cloud cover
36%
1st clearest
Wind
4 mph
5th windiest
Solar energy
7.45 kWh/m²
Travel score
7.1
out of 10

Missoula is county seat of Missoula County, Montana, United States.

Density
933/km²
people per km²
Founded
1866

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 78°F in the first days to 85°F by the end.

A typical July day in Missoula reaches about 82°F in the afternoon and slips back to 53°F overnight — a 29°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 92°F. Set against its neighbours, July runs about 12°F warmer than June and on par with August.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17750
27850
37850
47851
57951
67951
78051
88051
98052
108152
118152
128152
138252
148253
158253
168353
178353
188353
198353
208453
218454
228454
238454
248454
258554
268554
278554
288554
298554
308554
318554

How July really feels in Missoula

Once humidity and wind are folded in, July averages 0 days that feel above 90°F and 0 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
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Missoula weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 17°1.810.811.18.80.0
Feb36° / 19°1.69.99.3100.0
Mar44° / 25°1.7117.311.60.8
Apr53° / 31°2.111.44.313.32.8
May62° / 39°2.211.10.714.85.2
Jun71° / 46°2.2100.315.66.5
Jul82° / 53°0.74.6015.37.1
Aug82° / 52°0.83.90147.3
Sep70° / 44°1.25.80.112.47.4
Oct55° / 33°1.78.62.110.63.7
Nov40° / 24°2.0107.89.20.3
Dec31° / 16°2.010.410.68.40.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26634
36634
46733
56931
67030
77030
87228
97228
107327
117426
127525
137525
147723
157723
167822
177921
188020
198020
208119
218119
228317
238317
248317
258317
268317
278317
288317
298218
308218
318119

Chance of precipitation in July

Any precipitation

Missoula gets around 0.7 in of rain over 4.6 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 22% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
122
222
322
422
521
621
721
820
920
1019
1118
1218
1317
1416
1515
1615
1714
1813
1912
2011
2111
2210
2310
249
259
269
279
289
299
309
319

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8982
9982
10982
11982
12982
13982
14982
15982
16982
17982
18982
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
301000
311000

Wind in July

Winds average 4 mph in July.

Across July, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 36 min at the start of July to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 4:50 AM to 5:18 AM, and sunset from 8:28 PM to 8:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.64:508:28
215.64:518:28
315.64:528:28
415.64:528:28
515.64:538:27
615.64:548:27
715.54:548:27
815.54:558:26
915.54:568:26
1015.54:578:25
1115.54:578:25
1215.44:588:24
1315.44:598:23
1415.45:008:23
1515.45:018:22
1615.35:028:21
1715.35:038:21
1815.35:048:20
1915.25:058:19
2015.25:068:18
2115.25:078:17
2215.15:088:16
2315.15:098:15
2415.15:108:14
2515.05:118:13
2615.05:138:12
2714.95:148:11
2814.95:158:09
2914.95:168:08
3014.85:178:07
3114.85:188:06

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.45 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.37 kWh/m² to a high of 7.45 kWh/m² in July across the year — July's 7.45 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.4Intense
217.4Intense
227.4Intense
237.4Intense
247.4Intense
257.3Intense
267.3Intense
277.3Intense
287.3Intense
297.2Intense
307.2Intense
317.1Intense
Planning a trip in July

Is July a good time to visit Missoula?

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

7.1
Sightseeing
3rd-best month of the year
7.9
Beach & pool
2nd-best month of the year

July is one of the better times to visit Missoula for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Missoula in July

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

In July, Missoula sees daytime highs around 82°F and nights near 53°F. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Missoula in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Missoula peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 15UV 9Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul9Very high
Aug6High
Sep5Moderate
Oct4Moderate
Nov1Low
Dec1Low

Air quality in Missoula in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Missoula is worst in September — around 54 µg/m³ PM2.5 (poor), about 10.7× the cleanest month (January, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorGoodSep 953 µg/m³Jan 165 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb5Good
Mar8Good
Apr10Good
May10Good
Jun8Good
Jul35Poor
Aug51Poor
Sep54Poor
Oct10Good
Nov6Good
Dec5Good
Location & terrain

Where is Missoula?

Missoula sits at 46.9°N, 114.0°W, 3,209 ft above sea level, in United States. The nearest listed city is Butte, 92 mi away.

Topography around Missoula

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

Within 2 miles, the terrain around Missoula has significant variations in elevation — a maximum elevation change of 1,952 ft around an average of 3,406 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,833 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,139 ft.

The land around Missoula is covered by artificial surfaces (36%), grassland (35%) and trees (25%) within 2 miles, trees (58%) and grassland (33%) within 10 miles, and trees (69%) and grassland (26%) within 50 miles.

2 miles
1,952 ft
10 miles
4,833 ft
50 miles
7,139 ft
treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen
July weather nearby: Butte 92 mi · Kalispell 93 mi · Helena 94 mi · Whitefish 107 mi · Great Falls 134 mi · Coeur d'Alene 142 mi · Moscow 142 mi · Lewiston Orchards 145 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 Missoula (46.8721°, -113.994°, elevation 3,209 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).