Zheleznogorsk-Ilimskiy weather in August

In August, Zheleznogorsk-Ilimskiy sees average daytime highs of 20°C and overnight lows near 10°C, with 69 mm of rain across 11.4 wet days and about 14.9 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 18°C by the end. The sky is clear or mostly clear about 23% of the time in August, and the air most often feels dry.

Daylight stretches from about 16 hours at the start of August to 13 h 48 min by month's end. Set against the rest of the year, August is Zheleznogorsk-Ilimskiy's 2nd-clearest and 11th-windiest month. For the whole year in context, see Zheleznogorsk-Ilimskiy's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
10°
11th coldest
Rainfall
69 mm
11.4 wet days
Daylight
14 h 54 min
5:40 AM – 8:35 PM
Cloud cover
65%
2nd clearest
Wind
9 km/h
11th windiest
Solar energy
4.48 kWh/m²
Travel score
6.1
out of 10

Zheleznogorsk-Ilimskiy is human settlement in Nizhneilimsky District, Irkutsk Oblast, Russia.

Density
279/km²
people per km²
Founded
1948

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 18°C by the end.

A typical August day in Zheleznogorsk-Ilimskiy reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, August runs about 3°C cooler than July and about 8°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12312
22312
32312
42312
52212
62212
72211
82211
92211
102211
112211
122111
132111
142111
152111
162110
172110
182010
192010
202010
212010
22199
23199
24199
25199
26188
27188
28188
29188
30177
31177

How August really feels in Zheleznogorsk-Ilimskiy

Once humidity and wind are folded in, August 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

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

Zheleznogorsk-Ilimskiy weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-19° / -26°155.797.20.0
Feb-13° / -23°134.77.29.10.0
Mar-4° / -15°185.88.511.40.0
Apr / -6°278.36.413.90.4
May14° / 4511.51.916.13.7
Jun21° / 5711017.36.2
Jul23° / 13°6711.4016.86.6
Aug20° / 10°6911.4014.96.1
Sep12° / 5311.61.212.53.0
Oct / -5°3810.28.7100.1
Nov-10° / -17°309.3127.90.0
Dec-17° / -24°237.5116.60.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34357
44357
54357
64357
74456
84456
94357
104357
114357
124357
134060
144060
154060
163862
173862
183763
193763
203664
213565
223565
233565
243466
253466
263466
273367
283367
293268
303169
313169

Chance of precipitation in August

Any precipitation

Zheleznogorsk-Ilimskiy gets around 69 mm of rain over 11.4 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
934
1034
1134
1235
1335
1436
1536
1637
1737
1838
1938
2039
2139
2239
2339
2439
2539
2640
2740
2840
2940
3040
3141

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
162317
262317
363307
464306
565296
667276
768266
870255
971245
1072235
1174224
1274224
1376213
1477203
1577203
1679192
1780182
1881172
1982162
2084151
2185141
2286131
2387121
2488111
2589101
269190
279280
289460
299550
309640
319730

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 hours at the start of August to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 132 minutes over August. Sunrise moves from 5:10 AM to 6:11 AM, and sunset from 9:09 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.05:109:09
215.95:129:07
315.95:149:05
415.85:169:03
515.75:189:01
615.75:208:59
715.65:228:57
815.55:248:54
915.45:268:52
1015.45:288:50
1115.35:308:47
1215.25:328:45
1315.25:348:43
1415.15:368:40
1515.05:388:38
1614.95:408:35
1714.95:428:33
1814.85:448:30
1914.75:468:28
2014.65:488:25
2114.55:508:23
2214.55:528:20
2314.45:548:18
2414.35:568:15
2514.25:588:12
2614.26:008:10
2714.16:028:07
2814.06:058:04
2913.96:078:02
3013.86:097:59
3113.86:117:56

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.48 kWh/m².

For context, solar energy here swings from a low near 0.46 kWh/m² to a high of 5.99 kWh/m² in June across the year — August's 4.48 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.0Bright
254.0Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.7Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit Zheleznogorsk-Ilimskiy?

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

6.1
Sightseeing
3rd-best month of the year
3.4
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Zheleznogorsk-Ilimskiy for sightseeing.

What to pack for Zheleznogorsk-Ilimskiy in August

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

In August, Zheleznogorsk-Ilimskiy sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Zheleznogorsk-Ilimskiy in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Zheleznogorsk-Ilimskiy peaks around June 20 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 6Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr4Moderate
May5Moderate
Jun6High
Jul5High
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low

Air quality in Zheleznogorsk-Ilimskiy in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Zheleznogorsk-Ilimskiy is worst in July — around 44 µg/m³ PM2.5 (poor), about 37.0× the cleanest month (December, 1 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodJul 1742 µg/m³Dec 171 µg/m³
PM2.5 (µg/m³)Level
Jan3Good
Feb4Good
Mar5Good
Apr8Good
May11Good
Jun24Moderate
Jul44Poor
Aug26Moderate
Sep25Moderate
Oct12Good
Nov3Good
Dec1Good
Location & terrain

Where is Zheleznogorsk-Ilimskiy?

Zheleznogorsk-Ilimskiy sits at 56.6°N, 104.1°E, 392 m above sea level, in Russia. The nearest listed city is Ust’-Kut, 104 km away.

Topography around Zheleznogorsk-Ilimskiy

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Zheleznogorsk-Ilimskiy.

Within 3 km, the terrain around Zheleznogorsk-Ilimskiy has significant variations in elevation — a maximum elevation change of 579 m around an average of 489 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 609 m; within 80 km, large variations in elevation — a maximum elevation change of 821 m.

The land around Zheleznogorsk-Ilimskiy is covered by trees (71%) within 3 km, trees (91%) within 16 km, and trees (97%) within 80 km.

3 km
579 m
16 km
609 m
80 km
821 m
treesgrasslandartificial surfacesbare terrainwater
August weather nearby: Ust’-Kut 104 km · Bratsk 163 km · Ust’-Ilimsk 181 km · Vikhorevka 189 km · Chunskiy 282 km · Sayansk 300 km · Tulun 316 km · Zima 324 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 Zheleznogorsk-Ilimskiy (56.5767°, 104.1297°, elevation 392 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).