Ust’-Ilimsk weather in January

In January, Ust’-Ilimsk sees average daytime highs of -19°C and overnight lows near -26°C, with 15 mm of precipitation across 5.1 wet days and about 6.9 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about -19°C in the first days to -18°C by the end. The sky is clear or mostly clear about 7% of the time in January, and the air most often feels dry.

Daylight stretches from about 6 h 18 min at the start of January to 7 h 48 min by month's end. Set against the rest of the year, January is Ust’-Ilimsk's 10th-clearest and 7th-windiest month. For the whole year in context, see Ust’-Ilimsk's year-round climate.

Daytime high
-19°
12th warmest
Overnight low
-26°
1st coldest
Precipitation
15 mm
5.1 wet days
Daylight
6 h 54 min
9:53 AM – 4:44 PM
Cloud cover
85%
10th clearest
Wind
11 km/h
7th windiest
Solar energy
0.55 kWh/m²
Travel score
0.0
out of 10

Ust’-Ilimsk is city in Russia.

Density
438/km²
people per km²
Founded
1966

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about -19°C in the first days to -18°C by the end.

A typical January day in Ust’-Ilimsk reaches about -19°C in the afternoon and slips back to -26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -32°C and -7°C. Set against its neighbours, January runs about 1°C cooler than December and about 5°C cooler than February.

-40°-30°-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-19-26
2-19-26
3-19-26
4-19-26
5-20-26
6-20-26
7-20-26
8-20-26
9-20-26
10-20-26
11-20-26
12-19-26
13-19-26
14-19-26
15-19-26
16-19-26
17-19-26
18-19-26
19-19-25
20-18-25
21-18-25
22-18-25
23-18-25
24-18-25
25-18-25
26-18-25
27-18-25
28-18-25
29-18-25
30-17-25
31-17-25

How January really feels in Ust’-Ilimsk

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
31 feel bitter (≤ -10°C)

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

Ust’-Ilimsk weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-19° / -26°155.19.16.90.0
Feb-14° / -23°124.57.98.90.0
Mar-4° / -14°196.38.711.40.0
Apr / -6°287.86.1140.3
May13° / 4310.61.616.33.5
Jun21° / 10°5610.6017.76.3
Jul24° / 13°6010017.26.8
Aug20° / 11°579.9015.16.2
Sep12° / 52110.912.52.9
Oct / -5°4111.49.19.90.1
Nov-10° / -17°319.712.67.60.0
Dec-18° / -25°227.710.76.30.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31486
41585
51585
61585
71585
81585
91387
101387
111387
121387
131387
141189
151189
161090
171090
181090
191189
201189
211189
221288
231486
241486
251585
261585
271783
281783
291981
301981
312179

Chance of precipitation in January

Any precipitationSnow

Ust’-Ilimsk gets around 15 mm of rain and snow over 5.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 17% and peaks near 20% on the wettest days, and about 9 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12032
21932
31932
41932
51831
61831
71831
81730
91730
101730
111730
121730
131630
141630
151630
161630
171630
181630
191730
201730
211730
221730
231629
241629
251628
261527
271527
281426
291425
301425
311325

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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%151015202531
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
31100

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2112calm
2212calm
2312calm
2412calm
2512calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 6 h 18 min at the start of January to 7 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over January. Sunrise moves from 10:05 AM to 9:29 AM, and sunset from 4:20 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
16.310:054:20
26.310:044:22
36.310:044:23
46.310:044:24
56.410:034:26
66.410:024:27
76.410:024:28
86.510:014:30
96.510:004:32
106.69:594:33
116.69:594:35
126.79:584:37
136.79:574:39
146.79:554:40
156.89:544:42
166.99:534:44
176.99:524:46
187.09:504:48
197.09:494:50
207.19:484:52
217.19:464:54
227.29:454:56
237.39:434:59
247.39:415:01
257.49:405:03
267.59:385:05
277.59:365:07
287.69:355:10
297.79:335:12
307.79:315:14
317.89:295:17

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.55 kWh/m².

For context, solar energy here swings from a low near 0.36 kWh/m² to a high of 5.98 kWh/m² in June across the year — January's 0.55 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.4Dim
20.4Dim
30.4Dim
40.4Dim
50.4Dim
60.4Dim
70.4Dim
80.4Dim
90.4Dim
100.5Dim
110.5Dim
120.5Dim
130.5Dim
140.5Dim
150.5Dim
160.5Dim
170.6Dim
180.6Dim
190.6Dim
200.6Dim
210.6Dim
220.7Dim
230.7Dim
240.7Dim
250.7Dim
260.7Dim
270.8Dim
280.8Dim
290.8Dim
300.8Dim
310.9Dim
Planning a trip in January

Is January a good time to visit Ust’-Ilimsk?

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

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
6th-best month of the year

January is a weaker month for outdoor sightseeing in Ust’-Ilimsk.

What to pack for Ust’-Ilimsk in January

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

In January, Ust’-Ilimsk sees daytime highs around -19°C and nights near -26°C. Pack a warm layer and a heavy coat. About 5 days see rain.

a warm layera heavy coat

UV index in Ust’-Ilimsk in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 0. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ust’-Ilimsk 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
Apr3Moderate
May4Moderate
Jun5High
Jul5High
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low

Air quality in Ust’-Ilimsk in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Ust’-Ilimsk is worst in July — around 35 µg/m³ PM2.5 (moderate), about 26.7× the cleanest month (December, 1 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1934 µg/m³Dec 212 µg/m³
PM2.5 (µg/m³)Level
Jan3Good
Feb4Good
Mar5Good
Apr9Good
May10Good
Jun27Moderate
Jul35Moderate
Aug30Moderate
Sep19Moderate
Oct29Moderate
Nov7Good
Dec1Good
Location & terrain

Where is Ust’-Ilimsk?

Ust’-Ilimsk sits at 58.0°N, 102.7°E, 278 m above sea level, in Russia. The nearest listed city is Zheleznogorsk-Ilimskiy, 181 km away.

Topography around Ust’-Ilimsk

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

Within 3 km, the terrain around Ust’-Ilimsk has only modest variations in elevation — a maximum elevation change of 235 m around an average of 276 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 348 m; within 80 km, large variations in elevation — a maximum elevation change of 627 m.

The land around Ust’-Ilimsk is covered by trees (65%) and water (21%) within 3 km, trees (83%) within 16 km, and trees (93%) within 80 km.

3 km
235 m
16 km
348 m
80 km
627 m
treesgrasslandartificial surfacesbare terrainwater
January weather nearby: Zheleznogorsk-Ilimskiy 181 km · Kodinsk 215 km · Bratsk 217 km · Vikhorevka 227 km · Ust’-Kut 230 km · Chunskiy 280 km · Tayshet 365 km · Tulun 403 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’-Ilimsk (58.0006°, 102.6619°, elevation 278 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).