Sayansk weather in January

In January, Sayansk sees average daytime highs of -17°C and overnight lows near -25°C, with 6 mm of precipitation across 2 wet days and about 7.7 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about -18°C in the first days to -16°C by the end. The sky is clear or mostly clear about 14% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 12 min at the start of January to 8 h 24 min by month's end. Set against the rest of the year, January is Sayansk's 11th-clearest and 12th-windiest month. For the whole year in context, see Sayansk's year-round climate.

Daytime high
-17°
12th warmest
Overnight low
-25°
1st coldest
Precipitation
6 mm
2 wet days
Daylight
7 h 42 min
9:31 AM – 5:10 PM
Cloud cover
75%
11th clearest
Wind
8 km/h
12th windiest
Solar energy
0.98 kWh/m²
Travel score
0.0
out of 10

Sayansk is Hy.

Density
530/km²
people per km²
Founded
1970

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 -18°C in the first days to -16°C by the end.

A typical January day in Sayansk reaches about -17°C in the afternoon and slips back to -25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between -26°C and -9°C. Set against its neighbours, January runs about 2°C cooler than December and about 6°C cooler than February.

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

How January really feels in Sayansk

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.

Sayansk 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-17° / -25°624.27.70.0
Feb-11° / -22°62.23.99.40.0
Mar-1° / -14°103.24.411.50.0
Apr / -3°2263.313.71.7
May17° / 399.10.915.75.2
Jun23° / 10°6610.8016.86.5
Jul24° / 13°8012.1016.46.5
Aug22° / 11°7510.9014.66.4
Sep14° / 5510.20.612.54.1
Oct / -4°226.53.710.20.6
Nov-7° / -15°144.96.68.30.0
Dec-15° / -23°134.26.67.20.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32377
42377
52476
62476
72476
82476
92476
102575
112575
122575
132476
142476
152476
162476
172476
182476
192575
202575
212575
222674
232773
242872
252872
263070
273169
283169
293367
303367
313565

Chance of precipitation in January

Any precipitationSnow

Sayansk gets around 6 mm of rain and snow over 2 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 6% and peaks near 9% on the wettest days, and about 4 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1917
2916
3816
4816
5815
6815
7815
8714
9714
10713
11613
12612
13612
14612
15612
16512
17512
18512
19512
20512
21512
22513
23613
24613
25613
26613
27612
28612
29612
30612
31712

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 8 km/h in January, the calmest month.

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

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 12 min at the start of January to 8 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over January. Sunrise moves from 9:39 AM to 9:12 AM, and sunset from 4:50 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.29:394:50
27.29:394:51
37.29:394:52
47.29:384:53
57.39:384:54
67.39:384:56
77.39:374:57
87.49:374:58
97.49:365:00
107.49:365:01
117.59:355:02
127.59:345:04
137.59:345:05
147.69:335:07
157.69:325:09
167.79:315:10
177.79:305:12
187.79:295:13
197.89:285:15
207.89:275:17
217.99:265:19
227.99:255:20
238.09:235:22
248.09:225:24
258.19:215:26
268.19:195:28
278.29:185:30
288.29:175:31
298.39:155:33
308.49:145:35
318.49:125:37

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.98 kWh/m².

For context, solar energy here swings from a low near 0.69 kWh/m² to a high of 6.1 kWh/m² in June across the year — January's 0.98 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.7Dim
20.8Dim
30.8Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.9Dim
110.9Dim
120.9Dim
130.9Dim
140.9Dim
150.9Dim
161.0Dim
171.0Dim
181.0Dim
191.0Dim
201.1Dim
211.1Dim
221.1Dim
231.1Dim
241.2Dim
251.2Dim
261.2Dim
271.3Dim
281.3Dim
291.3Dim
301.4Dim
311.4Dim
Planning a trip in January

Is January a good time to visit Sayansk?

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
7th-best month of the year

January is a weaker month for outdoor sightseeing in Sayansk.

What to pack for Sayansk in January

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

In January, Sayansk sees daytime highs around -17°C and nights near -25°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Sayansk 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 Sayansk peaks around July 11 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 11UV 6Dec 19UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Low
Apr4Moderate
May5High
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Sayansk 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 Sayansk is worst in May — around 24 µg/m³ PM2.5 (moderate), about 8.2× the cleanest month (December, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1223 µg/m³Dec 143 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar7Good
Apr21Moderate
May24Moderate
Jun12Good
Jul15Moderate
Aug13Moderate
Sep7Good
Oct7Good
Nov4Good
Dec3Good
Location & terrain

Where is Sayansk?

Sayansk sits at 54.1°N, 102.2°E, 553 m above sea level, in Russia. The nearest listed city is Zima, 23 km away.

Topography around Sayansk

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

Within 3 km, the terrain around Sayansk has only modest variations in elevation — a maximum elevation change of 133 m around an average of 543 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 215 m; within 80 km, significant variations in elevation — a maximum elevation change of 464 m.

The land around Sayansk is covered by trees (88%) within 3 km, trees (67%) and grassland (24%) within 16 km, and trees (63%) and grassland (22%) within 80 km.

3 km
133 m
16 km
215 m
80 km
464 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Zima 23 km · Tulun 115 km · Cheremkhovo 123 km · Usol’ye-Sibirskoye 180 km · Angarsk 208 km · Nizhneudinsk 221 km · Bratsk 227 km · Vikhorevka 232 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 Sayansk (54.1129°, 102.1777°, elevation 553 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).