Idaho Falls weather in July

In July, Idaho Falls sees average daytime highs of 87°F and overnight lows near 57°F, with 0.5 in of rain across 3.3 wet days and about 14.9 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 84°F in the first days to 88°F by the end. The sky is clear or mostly clear about 65% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 h 12 min at the start of July to 14 h 30 min by month's end. Set against the rest of the year, July is Idaho Falls's 1st-clearest and 7th-windiest month. For the whole year in context, see Idaho Falls's year-round climate.

Daytime high
87°
1st warmest
Overnight low
57°
12th coldest
Rainfall
0.5 in
3.3 wet days
Daylight
14 h 54 min
5:06 AM – 8:02 PM
Cloud cover
31%
1st clearest
Wind
6 mph
7th windiest
Solar energy
7.94 kWh/m²
Travel score
5.9
out of 10

Idaho Falls is city in and county seat of Bonneville County, Idaho, United States.

Density
988/km²
people per km²
Founded
1864

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

← JuneIdaho Falls year-round climateAugust →Best places to visit in July
JanFebMarAprMayJunJulAugSepOctNovDec

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 84°F in the first days to 88°F by the end.

A typical July day in Idaho Falls reaches about 87°F in the afternoon and slips back to 57°F overnight — a 30°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 95°F. Set against its neighbours, July runs about 11°F warmer than June and about 2°F warmer than August.

40°60°80°100°151015202531
Avg high (°F)Avg low (°F)
18354
28454
38455
48555
58555
68555
78556
88656
98656
108656
118756
128757
138757
148757
158757
168757
178857
188858
198858
208858
218858
228858
238858
248858
258858
268858
278858
288858
298858
308858
318858

How July really feels in Idaho Falls

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.

Idaho Falls 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
Jan31° / 17°1.49.410.39.10.0
Feb36° / 21°1.17.87.310.20.0
Mar47° / 29°1.49.24.611.61.6
Apr56° / 34°1.811.2313.23.7
May66° / 42°2.19.60.814.56.1
Jun76° / 50°1.260.115.27.5
Jul87° / 57°0.53.3014.95.9
Aug85° / 55°0.53.5013.86.5
Sep74° / 47°1.04.20.112.38.0
Oct58° / 36°1.36.51.210.85.0
Nov43° / 26°1.27.45.59.50.7
Dec31° / 18°1.59.49.78.80.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% 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 16%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18119
28119
38218
48218
58317
68317
78416
88416
98416
108515
118515
128515
138515
148416
158416
168416
178416
188416
198416
208416
218416
228317
238416
248416
258416
268317
278317
288317
298317
308317
318317

Chance of precipitation in July

Any precipitation

Idaho Falls gets around 0.5 in of rain over 3.3 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 11% and peaks near 12% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
112
212
312
412
511
611
711
811
911
1011
1111
1211
1311
1411
1510
1610
1710
1810
1911
2011
2111
2211
2311
2411
2511
2611
2711
2811
2911
3011
3111

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 (%)
11000
21000
31000
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24982
25982
26982
27982
28982
29982
30982
31982

Wind in July

Winds average 6 mph in July.

Across July, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 12 min at the start of July to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:56 AM to 5:20 AM, and sunset from 8:07 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:568:07
215.24:568:07
315.24:578:07
415.24:578:07
515.14:588:07
615.14:588:06
715.14:598:06
815.15:008:06
915.15:008:05
1015.15:018:05
1115.05:028:04
1215.05:038:04
1315.05:038:03
1415.05:048:03
1515.05:058:02
1614.95:068:02
1714.95:078:01
1814.95:088:00
1914.95:088:00
2014.85:097:59
2114.85:107:58
2214.85:117:57
2314.75:127:56
2414.75:137:55
2514.75:147:54
2614.65:157:53
2714.65:167:52
2814.65:177:51
2914.55:187:50
3014.55:197:49
3114.55:207:48

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.94 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.7 kWh/m² to a high of 7.94 kWh/m² in July across the year — July's 7.94 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.1Intense
28.1Intense
38.1Intense
48.1Intense
58.1Intense
68.1Intense
78.1Intense
88.1Intense
98.1Intense
108.1Intense
118.1Intense
128.0Intense
138.0Intense
148.0Intense
158.0Intense
168.0Intense
177.9Intense
187.9Intense
197.9Intense
207.9Intense
217.8Intense
227.8Intense
237.8Intense
247.7Intense
257.7Intense
267.7Intense
277.6Intense
287.6Intense
297.6Intense
307.5Intense
317.5Intense
Planning a trip in July

Is July a good time to visit Idaho Falls?

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

5.9
Sightseeing
5th-best month of the year
8.2
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Idaho Falls for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Idaho Falls in July

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

In July, Idaho Falls sees daytime highs around 87°F and nights near 57°F. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Idaho Falls 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 Idaho Falls peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 12UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr5Moderate
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec2Low

Air quality in Idaho Falls 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 Idaho Falls is worst in August — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1420 µg/m³Dec 197 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr10Good
May10Good
Jun9Good
Jul17Moderate
Aug20Moderate
Sep14Moderate
Oct9Good
Nov9Good
Dec7Good
Location & terrain

Where is Idaho Falls?

Idaho Falls sits at 43.5°N, 112.0°W, 4,705 ft above sea level, in United States. The nearest listed city is Rexburg, 28 mi away.

Topography around Idaho Falls

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

Within 2 miles, the terrain around Idaho Falls has only modest variations in elevation — a maximum elevation change of 95 ft around an average of 4,698 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,693 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,561 ft.

The land around Idaho Falls is covered by artificial surfaces (33%) and trees (22%) within 2 miles, cropland (45%) and grassland (38%) within 10 miles, and grassland (54%) and cropland (22%) within 50 miles.

2 miles
95 ft
10 miles
1,693 ft
50 miles
5,561 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
← JuneIdaho Falls year-round climateAugust →Best places to visit in July
July weather nearby: Rexburg 28 mi · Pocatello 46 mi · Conda 57 mi · Logan 120 mi · Brigham City 135 mi · Twin Falls 137 mi · North Ogden 149 mi · Ogden 155 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 Idaho Falls (43.4666°, -112.0341°, elevation 4,705 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).