Bratsk weather in December

In December, Bratsk sees average daytime highs of -15°C and overnight lows near -22°C, with 14 mm of precipitation across 5.4 wet days and about 6.8 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about -13°C in the first days to -17°C by the end. The sky is clear or mostly clear about 7% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 06 min at the start of December to 6 h 42 min by month's end. Set against the rest of the year, December is Bratsk's 12th-clearest and 7th-windiest month. For the whole year in context, see Bratsk's year-round climate.

Daytime high
-15°
11th warmest
Overnight low
-22°
2nd coldest
Precipitation
14 mm
5.4 wet days
Daylight
6 h 42 min
9:50 AM – 4:30 PM
Cloud cover
86%
12th clearest
Wind
11 km/h
7th windiest
Solar energy
0.51 kWh/m²
Travel score
0.0
out of 10

Bratsk is city in eastern Russia.

Density
600/km²
people per km²
Founded
1955

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 -13°C in the first days to -17°C by the end.

A typical December day in Bratsk reaches about -15°C in the afternoon and slips back to -22°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 -5°C. Set against its neighbours, December runs about 8°C cooler than November and about 2°C warmer than January.

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

How December really feels in Bratsk

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.

Bratsk weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-17° / -24°835.77.30.0
Feb-12° / -21°72.44.89.10.0
Mar-3° / -14°113.75.811.40.0
Apr / -4°195.93.713.80.4
May13° / 3810.11.3163.4
Jun20° / 10°519.9017.26.1
Jul23° / 14°589.5016.76.8
Aug20° / 12°5810.4014.96.2
Sep13° / 4210.20.612.53.4
Oct / -3°278.24.910.10.3
Nov-7° / -14°206.48.57.90.0
Dec-15° / -22°145.48.66.80.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 7% of December, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21189
31189
41189
51288
61189
71189
81288
91288
101288
111387
121387
131387
141387
151486
161486
171486
181486
191486
201486
211585
221585
231684
241684
251684
261684
271684
281684
291783
301783
311783

Chance of precipitation in December

Any precipitationSnow

Bratsk gets around 14 mm of rain and snow over 5.4 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 17% and peaks near 20% on the wettest days, and about 9 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12030
22030
32030
42030
52030
62030
71930
81930
91930
101930
111930
121930
131930
141930
151829
161829
171828
181728
191727
201726
211626
221626
231625
241525
251524
261524
271524
281424
291424
301424
311324

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 11 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 06 min at the start of December to 6 h 42 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 9:31 AM to 9:55 AM, and sunset from 4:36 PM to 4:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.19:314:36
27.09:324:35
37.09:344:34
47.09:354:34
56.99:374:33
66.99:384:32
76.99:404:32
86.89:414:31
96.89:424:31
106.89:434:31
116.89:454:30
126.79:464:30
136.79:474:30
146.79:484:30
156.79:494:30
166.79:504:30
176.79:504:30
186.79:514:30
196.69:524:30
206.69:524:31
216.69:534:31
226.69:534:32
236.69:544:32
246.69:544:33
256.69:554:33
266.79:554:34
276.79:554:35
286.79:554:36
296.79:554:36
306.79:554:37
316.79:554:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.51 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.51 kWh/m² to a high of 6.01 kWh/m² in June across the year — December's 0.51 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.6Dim
20.6Dim
30.6Dim
40.6Dim
50.6Dim
60.6Dim
70.5Dim
80.5Dim
90.5Dim
100.5Dim
110.5Dim
120.5Dim
130.5Dim
140.5Dim
150.5Dim
160.5Dim
170.5Dim
180.5Dim
190.5Dim
200.5Dim
210.5Dim
220.5Dim
230.5Dim
240.5Dim
250.5Dim
260.5Dim
270.5Dim
280.5Dim
290.5Dim
300.5Dim
310.5Dim
Planning a trip in December

Is December a good time to visit Bratsk?

Our two travel scores rate December 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

December is a weaker month for outdoor sightseeing in Bratsk.

What to pack for Bratsk in December

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

In December, Bratsk sees daytime highs around -15°C and nights near -22°C. Pack a warm layer and a heavy coat. About 5 days see rain.

a warm layera heavy coat

UV index in Bratsk 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 Bratsk peaks around June 21 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 21UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug5High
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low

Air quality in Bratsk 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 Bratsk is worst in June — around 31 µg/m³ PM2.5 (moderate), about 17.2× the cleanest month (December, 2 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1930 µg/m³Dec 162 µg/m³
PM2.5 (µg/m³)Level
Jan4Good
Feb5Good
Mar6Good
Apr14Moderate
May23Moderate
Jun31Moderate
Jul28Moderate
Aug16Moderate
Sep24Moderate
Oct8Good
Nov3Good
Dec2Good
Location & terrain

Where is Bratsk?

Bratsk sits at 56.1°N, 101.6°E, 443 m above sea level, in Russia. The nearest listed city is Vikhorevka, 27 km away.

Topography around Bratsk

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

Within 3 km, the terrain around Bratsk has only modest variations in elevation — a maximum elevation change of 103 m around an average of 437 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 375 m; within 80 km, large variations in elevation — a maximum elevation change of 687 m.

The land around Bratsk is covered by trees (42%) and artificial surfaces (34%) within 3 km, trees (58%) and water (29%) within 16 km, and trees (82%) within 80 km.

3 km
103 m
16 km
375 m
80 km
687 m
treesgrasslandartificial surfacesbare terrainwater
December weather nearby: Vikhorevka 27 km · Chunskiy 123 km · Zheleznogorsk-Ilimskiy 163 km · Tulun 186 km · Nizhneudinsk 212 km · Ust’-Ilimsk 217 km · Tayshet 226 km · Sayansk 227 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 Bratsk (56.1325°, 101.6142°, elevation 443 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).