Slyudyanka weather in January

In January, Slyudyanka sees average daytime highs of -14°C and overnight lows near -25°C, with 7 mm of precipitation across 2.7 wet days and about 8.1 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near -14°C through the month. The sky is clear or mostly clear about 39% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 36 min at the start of January to 8 h 42 min by month's end. Set against the rest of the year, January is Slyudyanka's 2nd-clearest and 12th-windiest month. For the whole year in context, see Slyudyanka's year-round climate.

Daytime high
-14°
12th warmest
Overnight low
-25°
1st coldest
Precipitation
7 mm
2.7 wet days
Daylight
8 h 06 min
9:13 AM – 5:16 PM
Cloud cover
55%
2nd clearest
Wind
6 km/h
12th windiest
Solar energy
1.25 kWh/m²
Travel score
0.0
out of 10

Slyudyanka is town in Slyudyansky District, Irkutsk Oblast, Russia.

Density
495/km²
people per km²
Founded
1899

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -14°C through the month.

A typical January day in Slyudyanka reaches about -14°C in the afternoon and slips back to -25°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between -22°C and -7°C. Set against its neighbours, January runs about 2°C cooler than December and about 4°C cooler than February.

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

How January really feels in Slyudyanka

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.

Slyudyanka weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-14° / -25°72.74.58.10.0
Feb-10° / -22°82.94.19.60.0
Mar-2° / -15°226.67.711.50.0
Apr / -5°389.98.413.60.9
May14° / 6412.34.315.33.9
Jun19° / 10014.50.216.35.4
Jul21° / 11°13316.3015.95.4
Aug19° / 10°13115.8014.45.3
Sep14° / 8313.42.812.43.6
Oct / -4°358.57.310.40.7
Nov-5° / -14°216.688.60.0
Dec-12° / -21°124.36.17.70.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55149
65248
75248
85347
95248
105248
115248
125149
135149
145050
155050
165050
174951
184951
194951
204852
214753
224852
234951
244852
254951
265050
275149
285248
295248
305347
315347

Chance of precipitation in January

Any precipitationSnow

Slyudyanka gets around 7 mm of rain and snow over 2.7 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 9% and peaks near 12% on the wettest days, and about 5 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
11216
21116
31115
41015
51014
6914
7914
8813
9813
10813
11813
12813
13813
14813
15813
16814
17814
18814
19815
20915
21915
22915
23916
24916
25915
26915
27915
28915
29914
30914
31914

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 6 km/h in January, the calmest month.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
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 January

DaylightNight

Daylight runs from about 7 h 36 min at the start of January to 8 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over January. Sunrise moves from 9:19 AM to 8:56 AM, and sunset from 4:58 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.69:194:58
27.79:194:59
37.79:195:00
47.79:185:01
57.79:185:02
67.89:185:03
77.89:185:04
87.89:175:05
97.89:175:07
107.99:165:08
117.99:165:09
127.99:155:11
138.09:155:12
148.09:145:13
158.09:135:15
168.19:135:16
178.19:125:18
188.19:115:19
198.29:105:21
208.29:095:22
218.39:085:24
228.39:075:26
238.49:065:27
248.49:055:29
258.49:045:31
268.59:035:32
278.59:015:34
288.69:005:36
298.68:595:37
308.78:585:39
318.78:565:41

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.25 kWh/m².

For context, solar energy here swings from a low near 0.92 kWh/m² to a high of 5.99 kWh/m² in May across the year — January's 1.25 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.0Dim
21.0Dim
31.0Dim
41.0Dim
51.0Dim
61.1Dim
71.1Dim
81.1Dim
91.1Dim
101.1Dim
111.1Dim
121.1Dim
131.2Dim
141.2Dim
151.2Dim
161.2Dim
171.3Dim
181.3Dim
191.3Dim
201.3Dim
211.4Dim
221.4Dim
231.4Dim
241.4Dim
251.5Dim
261.5Dim
271.6Dim
281.6Dim
291.6Dim
301.7Dim
311.7Dim
Planning a trip in January

Hazard calendar for Slyudyanka

In seasonPeak

None of Slyudyanka's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Slyudyanka's rainy season runs May–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Slyudyanka?

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 Slyudyanka.

What to pack for Slyudyanka in January

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

In January, Slyudyanka sees daytime highs around -14°C and nights near -25°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Slyudyanka in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Slyudyanka peaks around July 12 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJul 12UV 7Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr6High
May6High
Jun7High
Jul7Very high
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Slyudyanka 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 Slyudyanka is worst in July — around 18 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (November, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJul 1317 µg/m³Nov 185 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar9Good
Apr12Moderate
May10Good
Jun15Moderate
Jul18Moderate
Aug10Good
Sep6Good
Oct5Good
Nov5Good
Dec5Good
Location & terrain

Where is Slyudyanka?

Slyudyanka sits at 51.7°N, 103.7°E, 477 m above sea level, in Russia. The nearest listed city is Baykal’sk, 34 km away.

Topography around Slyudyanka

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

Within 3 km, the terrain around Slyudyanka has significant variations in elevation — a maximum elevation change of 463 m around an average of 534 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,435 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,201 m.

The land around Slyudyanka is covered by trees (50%) and water (34%) within 3 km, trees (74%) and water (22%) within 16 km, and trees (74%) within 80 km.

3 km
463 m
16 km
1,435 m
80 km
2,201 m
treesgrasslandartificial surfaceswatermoss and lichen
January weather nearby: Baykal’sk 34 km · Shelekhov 67 km · Markova 70 km · Irkutsk 81 km · Angarsk 101 km · Usol’ye-Sibirskoye 121 km · Cheremkhovo 171 km · Gusinoozyorsk 198 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 Slyudyanka (51.6621°, 103.71°, elevation 477 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).