Usol’ye-Sibirskoye weather in December

In December, Usol’ye-Sibirskoye sees average daytime highs of -14°C and overnight lows near -23°C, with 9 mm of precipitation across 3.1 wet days and about 7.5 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about -12°C in the first days to -16°C by the end. The sky is clear or mostly clear about 17% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 42 min at the start of December to 7 h 24 min by month's end. Set against the rest of the year, December is Usol’ye-Sibirskoye's 12th-clearest and 11th-windiest month. For the whole year in context, see Usol’ye-Sibirskoye's year-round climate.

Daytime high
-14°
11th warmest
Overnight low
-23°
2nd coldest
Precipitation
9 mm
3.1 wet days
Daylight
7 h 24 min
9:20 AM – 4:43 PM
Cloud cover
72%
12th clearest
Wind
8 km/h
11th windiest
Solar energy
0.88 kWh/m²
Travel score
0.0
out of 10

Usol’ye-Sibirskoye is town in Russia.

Density
1,161/km²
people per km²
Founded
1669

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 -12°C in the first days to -16°C by the end.

A typical December day in Usol’ye-Sibirskoye reaches about -14°C in the afternoon and slips back to -23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -23°C and -7°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)
1-11-20
2-12-20
3-12-20
4-12-21
5-12-21
6-13-21
7-13-21
8-13-21
9-13-22
10-13-22
11-13-22
12-14-22
13-14-22
14-14-22
15-14-22
16-14-23
17-14-23
18-14-23
19-14-23
20-14-23
21-15-23
22-15-23
23-15-23
24-15-24
25-15-24
26-15-24
27-15-24
28-16-24
29-16-24
30-16-24
31-16-25

How December really feels in Usol’ye-Sibirskoye

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.

Usol’ye-Sibirskoye 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-16° / -25°41.22.57.90.0
Feb-10° / -22°41.52.79.50.0
Mar-1° / -14°93411.50.0
Apr10° / -3°205.53.113.62.3
May18° / 348.40.815.55.8
Jun24° / 11°6310.4016.56.7
Jul25° / 14°8812.4016.16.4
Aug22° / 12°8611.2014.56.5
Sep15° / 5310.30.412.44.7
Oct / -4°185.42.910.31.0
Nov-6° / -14°113.64.88.50.0
Dec-14° / -23°93.14.77.50.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32674
42674
52674
62674
72773
82773
92872
102872
112872
122971
132971
143070
153070
163268
173268
183268
193367
203466
213466
223664
233664
243664
253664
263664
273664
283664
293664
303763
313862

Chance of precipitation in December

Any precipitationSnow

Usol’ye-Sibirskoye gets around 9 mm of rain and snow over 3.1 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 10% and peaks near 12% on the wettest days, and about 5 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
11116
21117
31117
41117
51117
61117
71117
81118
91118
101118
111118
121218
131118
141118
151117
161117
171116
181116
191015
201015
211014
22914
23913
24813
25812
26812
27712
28711
29611
30611
31611

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 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
279calm
289calm
299calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 42 min at the start of December to 7 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 9:03 AM to 9:26 AM, and sunset from 4:47 PM to 4:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.79:034:47
27.79:044:47
37.79:064:46
47.69:074:46
57.69:084:45
67.69:104:45
77.69:114:44
87.59:124:44
97.59:134:44
107.59:144:44
117.59:154:43
127.59:164:43
137.49:174:43
147.49:184:43
157.49:194:43
167.49:204:43
177.49:204:44
187.49:214:44
197.49:224:44
207.49:224:44
217.49:234:45
227.49:234:45
237.49:244:46
247.49:244:46
257.49:254:47
267.49:254:48
277.49:254:48
287.49:254:49
297.49:254:50
307.49:254:51
317.49:264:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.88 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.88 kWh/m² to a high of 6.11 kWh/m² in June across the year — December's 0.88 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.0Dim
21.0Dim
31.0Dim
40.9Dim
50.9Dim
60.9Dim
70.9Dim
80.9Dim
90.9Dim
100.9Dim
110.9Dim
120.9Dim
130.9Dim
140.9Dim
150.9Dim
160.9Dim
170.9Dim
180.9Dim
190.9Dim
200.9Dim
210.9Dim
220.9Dim
230.9Dim
240.9Dim
250.9Dim
260.9Dim
270.9Dim
280.9Dim
290.9Dim
300.9Dim
310.9Dim
Planning a trip in December

Is December a good time to visit Usol’ye-Sibirskoye?

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
8th-best month of the year

December is a weaker month for outdoor sightseeing in Usol’ye-Sibirskoye.

What to pack for Usol’ye-Sibirskoye in December

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

In December, Usol’ye-Sibirskoye sees daytime highs around -14°C and nights near -23°C. Pack a warm layer and a heavy coat. About 3 days see rain.

a warm layera heavy coat

UV index in Usol’ye-Sibirskoye in December

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Usol’ye-Sibirskoye peaks around July 12 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 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 6Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Usol’ye-Sibirskoye 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 Usol’ye-Sibirskoye is worst in May — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodMay 1617 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar11Good
Apr14Moderate
May17Moderate
Jun14Moderate
Jul17Moderate
Aug14Moderate
Sep9Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Usol’ye-Sibirskoye?

Usol’ye-Sibirskoye sits at 52.8°N, 103.6°E, 435 m above sea level, in Russia. The nearest listed city is Angarsk, 28 km away.

Topography around Usol’ye-Sibirskoye

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

Within 3 km, the terrain around Usol’ye-Sibirskoye has only modest variations in elevation — a maximum elevation change of 91 m around an average of 438 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 213 m; within 80 km, large variations in elevation — a maximum elevation change of 1,029 m.

The land around Usol’ye-Sibirskoye is covered by trees (40%), artificial surfaces (33%) and grassland (20%) within 3 km, trees (53%) and grassland (28%) within 16 km, and trees (60%) and grassland (22%) within 80 km.

3 km
91 m
16 km
213 m
80 km
1,029 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Angarsk 28 km · Cheremkhovo 58 km · Irkutsk 67 km · Shelekhov 67 km · Markova 72 km · Slyudyanka 121 km · Baykal’sk 142 km · Zima 168 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 Usol’ye-Sibirskoye (52.7519°, 103.6453°, elevation 435 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).