Severobaykal’sk weather in December

In December, Severobaykal’sk sees average daytime highs of -19°C and overnight lows near -25°C, with 27 mm of precipitation across 7.2 wet days and about 6.9 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about -17°C in the first days to -20°C by the end. The sky is clear or mostly clear about 21% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 12 min at the start of December to 6 h 48 min by month's end. Set against the rest of the year, December is Severobaykal’sk's 8th-clearest and 2nd-windiest month. For the whole year in context, see Severobaykal’sk's year-round climate.

Daytime high
-19°
11th warmest
Overnight low
-25°
3rd coldest
Precipitation
27 mm
7.2 wet days
Daylight
6 h 48 min
9:15 AM – 4:03 PM
Cloud cover
69%
8th clearest
Wind
7 km/h
2nd windiest
Solar energy
0.58 kWh/m²
Travel score
0.0
out of 10

Severobaykal’sk is town in Russia.

Density
250/km²
people per km²
Founded
1974

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about -17°C in the first days to -20°C by the end.

A typical December day in Severobaykal’sk reaches about -19°C in the afternoon and slips back to -25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -27°C and -10°C. Set against its neighbours, December runs about 8°C cooler than November and about 2°C warmer than January.

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

How December really feels in Severobaykal’sk

Once humidity and wind are folded in, December 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 December is cold — wind chill drags the overnight "feels like" below the raw low.

Severobaykal’sk weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-21° / -27°236.48.77.40.0
Feb-17° / -25°205.97.99.20.0
Mar-8° / -19°328.610.411.40.0
Apr / -9°5010.811.113.80.0
May / -1°6412.96.915.91.5
Jun17° / 6812.30.417.15.0
Jul20° / 10°8313.9016.65.7
Aug18° / 10013.60.114.85.2
Sep10° / 8113.3312.52.0
Oct / -7°5810.910.310.10.0
Nov-11° / -17°409.111.380.0
Dec-19° / -25°277.29.76.90.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32971
43070
53169
63169
73367
83367
93367
103367
113367
123367
133169
143169
153169
163169
173169
183169
193070
203169
213169
223169
233169
243268
253367
263367
273367
283367
293466
303565
313565

Chance of precipitation in December

Any precipitationSnow

Severobaykal’sk gets around 27 mm of rain and snow over 7.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 24% and peaks near 26% on the wettest days, and about 10 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12531
22531
32430
42429
52329
62329
72329
82329
92330
102431
112431
122532
132533
142533
152633
162634
172634
182534
192534
202534
212534
222434
232434
242434
252434
262333
272333
282333
292233
302232
312232

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 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
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 12 min at the start of December to 6 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over December. Sunrise moves from 8:57 AM to 9:21 AM, and sunset from 4:08 PM to 4:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.28:574:08
27.28:584:07
37.19:004:07
47.19:014:06
57.09:034:05
67.09:044:05
77.09:054:04
87.09:074:04
96.99:084:03
106.99:094:03
116.99:104:03
126.99:114:03
136.89:124:03
146.89:134:02
156.89:144:02
166.89:154:03
176.89:164:03
186.89:174:03
196.89:174:03
206.89:184:03
216.89:194:04
226.89:194:04
236.89:204:05
246.89:204:05
256.89:204:06
266.89:204:07
276.89:214:07
286.89:214:08
296.89:214:09
306.89:214:10
316.89:214:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.58 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.58 kWh/m² to a high of 6.1 kWh/m² in June across the year — December's 0.58 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.7Dim
20.7Dim
30.7Dim
40.7Dim
50.6Dim
60.6Dim
70.6Dim
80.6Dim
90.6Dim
100.6Dim
110.6Dim
120.6Dim
130.6Dim
140.6Dim
150.6Dim
160.6Dim
170.6Dim
180.6Dim
190.6Dim
200.6Dim
210.6Dim
220.6Dim
230.6Dim
240.6Dim
250.6Dim
260.6Dim
270.6Dim
280.6Dim
290.6Dim
300.6Dim
310.6Dim
Planning a trip in December

Hazard calendar for Severobaykal’sk

In seasonPeak

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

Severobaykal’sk's rainy season runs April–October, when most of the year's rain falls.

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

Is December a good time to visit Severobaykal’sk?

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

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

December is a weaker month for outdoor sightseeing in Severobaykal’sk.

What to pack for Severobaykal’sk in December

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

In December, Severobaykal’sk sees daytime highs around -19°C and nights near -25°C. Pack a warm layer and a heavy coat. About 7 days see rain.

a warm layera heavy coat

UV index in Severobaykal’sk in December

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Severobaykal’sk peaks around July 15 at about 6 (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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJul 15UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr4Moderate
May5High
Jun5Moderate
Jul6High
Aug4Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Severobaykal’sk in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Severobaykal’sk is worst in August — around 63 µg/m³ PM2.5 (unhealthy), about 56.8× the cleanest month (December, 1 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorUnhealthyGoodAug 1260 µg/m³Dec 171 µg/m³
PM2.5 (µg/m³)Level
Jan2Good
Feb2Good
Mar4Good
Apr6Good
May7Good
Jun23Moderate
Jul52Poor
Aug63Unhealthy
Sep14Moderate
Oct4Good
Nov2Good
Dec1Good
Location & terrain

Where is Severobaykal’sk?

Severobaykal’sk sits at 55.6°N, 109.3°E, 537 m above sea level, in Russia. The nearest listed city is Ust’-Kut, 254 km away.

Topography around Severobaykal’sk

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

Within 3 km, the terrain around Severobaykal’sk has significant variations in elevation — a maximum elevation change of 431 m around an average of 529 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 748 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,113 m.

The land around Severobaykal’sk is covered by trees (64%) within 3 km, trees (53%) and water (45%) within 16 km, and trees (51%) and moss and lichen (21%) within 80 km.

3 km
431 m
16 km
748 m
80 km
2,113 m
treesshrubsgrasslandartificial surfacesbare terrainwatermoss and lichen
December weather nearby: Ust’-Kut 254 km · Zheleznogorsk-Ilimskiy 339 km · Bodaybo 386 km · Ulan-Ude 439 km · Ust’-Ilimsk 483 km · Bratsk 484 km · Chita 484 km · Petrovsk-Zabaykal’skiy 486 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 Severobaykal’sk (55.6383°, 109.3271°, elevation 537 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).