Aleysk weather in December

In December, Aleysk sees average daytime highs of -9°C and overnight lows near -17°C, with 36 mm of precipitation across 9.6 wet days and about 7.5 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about -7°C in the first days to -10°C by the end. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 48 min at the start of December to 7 h 30 min by month's end. Set against the rest of the year, December is Aleysk's 12th-clearest and 1st-windiest month. For the whole year in context, see Aleysk's year-round climate.

Daytime high
-9°
11th warmest
Overnight low
-17°
3rd coldest
Precipitation
36 mm
9.6 wet days
Daylight
7 h 24 min
8:42 AM – 4:08 PM
Cloud cover
81%
12th clearest
Wind
16 km/h
1st windiest
Solar energy
0.75 kWh/m²
Travel score
0.0
out of 10

Aleysk is human settlement in City of Aleysk, Altai Krai, Russia.

Founded
1913

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 -7°C in the first days to -10°C by the end.

A typical December day in Aleysk reaches about -9°C in the afternoon and slips back to -17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between -19°C and 0°C. Set against its neighbours, December runs about 7°C cooler than November and about 2°C warmer than January.

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

How December really feels in Aleysk

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.

Aleysk 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-11° / -20°226.68.280.0
Feb-8° / -18°205.66.59.50.0
Mar / -11°266.76.311.50.0
Apr12° / -0°377.52.213.63.2
May20° / 478.80.415.56.4
Jun25° / 13°5410.1016.56.8
Jul26° / 15°7112.3016.16.4
Aug24° / 12°438.6014.57.1
Sep18° / 388.30.112.45.8
Oct10° / -0°408.92.910.32.1
Nov-2° / -9°469.98.88.50.0
Dec-9° / -17°369.611.17.50.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
41981
51981
61882
71882
81882
91882
101882
111882
121783
131783
141783
151783
161783
171783
181882
191981
201981
211981
221981
231981
241981
252080
262080
272080
282080
292080
302080
312080

Chance of precipitation in December

Any precipitationSnow

Aleysk gets around 36 mm of rain and snow over 9.6 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 30% and peaks near 33% on the wettest days, and about 11 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13337
23337
33337
43336
53336
63236
73236
83235
93135
103135
113035
123035
133035
142935
152935
162935
172935
182935
192935
202935
212935
222935
233035
243036
253036
262935
272935
282835
292834
302734
312733

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 16 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 48 min at the start of December to 7 h 30 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 8:25 AM to 8:48 AM, and sunset from 4:12 PM to 4:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.88:254:12
27.78:274:12
37.78:284:11
47.78:294:10
57.78:304:10
67.68:324:10
77.68:334:09
87.68:344:09
97.68:354:09
107.58:364:08
117.58:374:08
127.58:384:08
137.58:394:08
147.58:404:08
157.58:414:08
167.48:424:08
177.48:424:09
187.48:434:09
197.48:444:09
207.48:444:09
217.48:454:10
227.48:454:10
237.48:464:11
247.48:464:11
257.48:474:12
267.48:474:13
277.48:474:13
287.48:474:14
297.58:474:15
307.58:484:16
317.58:484:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.75 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.75 kWh/m² to a high of 6.37 kWh/m² in June across the year — December's 0.75 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.8Dim
20.8Dim
30.8Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.8Dim
110.8Dim
120.8Dim
130.8Dim
140.8Dim
150.8Dim
160.8Dim
170.7Dim
180.7Dim
190.8Dim
200.8Dim
210.8Dim
220.8Dim
230.8Dim
240.8Dim
250.8Dim
260.8Dim
270.8Dim
280.8Dim
290.8Dim
300.8Dim
310.8Dim
Planning a trip in December

Is December a good time to visit Aleysk?

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 Aleysk.

What to pack for Aleysk in December

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

In December, Aleysk sees daytime highs around -9°C and nights near -17°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Aleysk 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 Aleysk peaks around July 18 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 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 18UV 6Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Aleysk 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 Aleysk is worst in April — around 16 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (December, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodGoodApr 1415 µg/m³Dec 166 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar12Good
Apr16Moderate
May9Good
Jun8Good
Jul13Moderate
Aug9Good
Sep7Good
Oct9Good
Nov8Good
Dec5Good
Location & terrain

Where is Aleysk?

Aleysk sits at 52.5°N, 82.8°E, 180 m above sea level, in Russia. The nearest listed city is Yuzhnyy, 104 km away.

Topography around Aleysk

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

Within 3 km, the terrain around Aleysk has only modest variations in elevation — a maximum elevation change of 56 m around an average of 173 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, significant variations in elevation — a maximum elevation change of 433 m.

The land around Aleysk is covered by grassland (48%), artificial surfaces (23%) and trees (20%) within 3 km, cropland (61%) and grassland (29%) within 16 km, and cropland (56%) and grassland (27%) within 80 km.

3 km
56 m
16 km
122 m
80 km
433 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Yuzhnyy 104 km · Novosilikatnyy 107 km · Barnaul 116 km · Novoaltaysk 129 km · Suzun 146 km · Rubtsovsk 153 km · Tal’menka 157 km · Biysk 164 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 Aleysk (52.4963°, 82.7747°, elevation 180 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).