Ust’-Kut weather in July

In July, Ust’-Kut sees average daytime highs of 23°C and overnight lows near 12°C, with 69 mm of rain across 11.4 wet days and about 16.9 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 21% of the time in July, and the air most often feels dry.

Daylight stretches from about 17 h 30 min at the start of July to 16 h 06 min by month's end. Set against the rest of the year, July is Ust’-Kut's 1st-clearest and 12th-windiest month. For the whole year in context, see Ust’-Kut's year-round climate.

Daytime high
23°
1st warmest
Overnight low
12°
12th coldest
Rainfall
69 mm
11.4 wet days
Daylight
16 h 54 min
4:34 AM – 9:31 PM
Cloud cover
66%
1st clearest
Wind
7 km/h
12th windiest
Solar energy
5.5 kWh/m²
Travel score
6.6
out of 10

Ust’-Kut is human settlement in Ust-Kutsky District, Irkutsk Oblast, Russia.

Density
861/km²
people per km²
Founded
1631

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical July day in Ust’-Kut reaches about 23°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, July runs about 2°C warmer than June and about 3°C warmer than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12311
22311
32312
42312
52312
62312
72412
82412
92412
102412
112412
122412
132412
142412
152412
162412
172412
182412
192412
202412
212412
222412
232412
242312
252312
262312
272312
282312
292312
302312
312312

How July really feels in Ust’-Kut

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Ust’-Kut weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-20° / -28°134.78.67.20.0
Feb-14° / -24°113.879.10.0
Mar-4° / -16°186.28.611.40.0
Apr / -7°289713.90.4
May14° / 4411.72.116.13.6
Jun21° / 5711.8017.46.0
Jul23° / 12°6911.4016.96.6
Aug20° / 7211.3014.96.0
Sep12° / 5111.21.312.52.9
Oct / -6°3710.48.9100.1
Nov-11° / -19°278.611.47.80.0
Dec-18° / -26°186.610.26.60.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23862
33862
43862
53961
63961
73961
83961
93961
103961
113961
123862
133862
143862
153862
163862
173862
183961
193961
203862
213763
223862
233862
243862
253763
263763
273862
283961
294060
304060
314060

Chance of precipitation in July

Any precipitation

Ust’-Kut gets around 69 mm of rain over 11.4 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
340
439
539
639
739
839
939
1039
1139
1238
1338
1437
1537
1636
1736
1836
1936
2035
2135
2234
2334
2434
2533
2633
2732
2832
2932
3032
3131

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 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16820120
26720121
36521131
46422131
56223141
66124141
75925151
85726161
95627161
105428171
115428171
125229181
135130181
145130181
155030191
165031191
175031181
185031181
195032181
205032171
215132161
225133151
235133151
245233141
255333131
265433121
275433121
285533111
295633101
305733100
31593290

Wind in July

Winds average 7 km/h in July, the calmest month.

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

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 17 h 30 min at the start of July to 16 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over July. Sunrise moves from 4:17 AM to 5:00 AM, and sunset from 9:44 PM to 9:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
117.54:179:44
217.44:179:43
317.44:189:43
417.44:199:42
517.44:209:42
617.34:219:41
717.34:229:40
817.34:239:40
917.24:259:39
1017.24:269:38
1117.24:279:37
1217.14:289:36
1317.14:309:35
1417.04:319:33
1517.04:339:32
1616.94:349:31
1716.94:369:30
1816.94:379:28
1916.84:399:27
2016.74:409:25
2116.74:429:24
2216.64:449:22
2316.64:459:20
2416.54:479:19
2516.54:499:17
2616.44:519:15
2716.34:539:13
2816.34:549:12
2916.24:569:10
3016.24:589:08
3116.15:009:06

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.5 kWh/m².

For context, solar energy here swings from a low near 0.45 kWh/m² to a high of 5.9 kWh/m² in June across the year — July's 5.5 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in July

Is July a good time to visit Ust’-Kut?

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

6.6
Sightseeing
1st-best month of the year
5.3
Beach & pool
1st-best month of the year

July is a reasonable time to visit Ust’-Kut for sightseeing.

What to pack for Ust’-Kut in July

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

In July, Ust’-Kut sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Ust’-Kut in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Ust’-Kut peaks around June 21 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 21UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr4Moderate
May5Moderate
Jun6High
Jul5High
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low

Air quality in Ust’-Kut 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 Ust’-Kut is worst in July — around 56 µg/m³ PM2.5 (unhealthy), about 46.8× the cleanest month (December, 1 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodPoorPoorModerateGoodJul 2155 µg/m³Dec 181 µg/m³
PM2.5 (µg/m³)Level
Jan2Good
Feb5Good
Mar5Good
Apr10Good
May11Good
Jun42Poor
Jul56Unhealthy
Aug52Poor
Sep39Poor
Oct16Moderate
Nov3Good
Dec1Good
Location & terrain

Where is Ust’-Kut?

Ust’-Kut sits at 56.8°N, 105.8°E, 285 m above sea level, in Russia. The nearest listed city is Zheleznogorsk-Ilimskiy, 104 km away.

Topography around Ust’-Kut

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ust’-Kut.

Within 3 km, the terrain around Ust’-Kut has significant variations in elevation — a maximum elevation change of 406 m around an average of 412 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 492 m; within 80 km, large variations in elevation — a maximum elevation change of 729 m.

The land around Ust’-Kut is covered by trees (72%) and artificial surfaces (21%) within 3 km, trees (93%) within 16 km, and trees (99%) within 80 km.

3 km
406 m
16 km
492 m
80 km
729 m
treesgrasslandartificial surfacesbare terrainwater
July weather nearby: Zheleznogorsk-Ilimskiy 104 km · Ust’-Ilimsk 230 km · Severobaykal’sk 254 km · Bratsk 267 km · Vikhorevka 293 km · Sayansk 375 km · Chunskiy 386 km · Zima 398 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 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 Ust’-Kut (56.7979°, 105.7866°, elevation 285 m), 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).