Ust’-Katav weather in December

In December, Ust’-Katav sees average daytime highs of -8°C and overnight lows near -15°C, with 31 mm of precipitation across 8.6 wet days and about 7 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about -6°C in the first days to -9°C by the end. The sky is clear or mostly clear about 10% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 18 min at the start of December to 7 hours by month's end. Set against the rest of the year, December is Ust’-Katav's 12th-clearest and 5th-windiest month. For the whole year in context, see Ust’-Katav's year-round climate.

Daytime high
-8°
11th warmest
Overnight low
-15°
3rd coldest
Precipitation
31 mm
8.6 wet days
Daylight
6 h 54 min
9:35 AM – 4:32 PM
Cloud cover
83%
12th clearest
Wind
12 km/h
5th windiest
Solar energy
0.47 kWh/m²
Travel score
0.0
out of 10

Ust’-Katav is human settlement in Ust-Katav Urban Okrug, Chelyabinsk Oblast, Russia.

Density
912/km²
people per km²
Founded
1758

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 -6°C in the first days to -9°C by the end.

A typical December day in Ust’-Katav reaches about -8°C in the afternoon and slips back to -15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -17°C and -1°C. Set against its neighbours, December runs about 6°C cooler than November and about 1°C warmer than January.

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

How December really feels in Ust’-Katav

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.

Ust’-Katav 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-9° / -16°247.29.77.60.0
Feb-7° / -16°226.39.29.30.0
Mar-1° / -9°338.59.911.40.0
Apr / -1°408.64.613.81.7
May17° / 6412.50.815.85.0
Jun21° / 10°8114.20.1175.7
Jul22° / 12°9614016.56.1
Aug20° / 11°8514.3014.75.7
Sep14° / 6912.7112.53.8
Oct / -0°6613.16.610.20.8
Nov-2° / -8°4010.411.58.10.0
Dec-8° / -15°318.611.770.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21882
31882
41882
51981
61981
71882
81882
91882
101882
111882
121882
131882
141783
151684
161684
171684
181684
191585
201585
211585
221585
231486
241585
251585
261486
271486
281387
291387
301387
311288

Chance of precipitation in December

Any precipitationSnow

Ust’-Katav gets around 31 mm of rain and snow over 8.6 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 27% and peaks near 30% on the wettest days, and about 12 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
12939
22939
32838
42737
52636
62636
72535
82534
92534
102434
112534
122534
132535
142535
152536
162636
172637
182737
192738
202839
212939
222940
233040
243040
253040
263040
273039
282938
292937
302837
312836

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 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 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
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 18 min at the start of December to 7 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 9:17 AM to 9:41 AM, and sunset from 4:37 PM to 4:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.39:174:37
27.39:194:36
37.39:204:36
47.29:214:35
57.29:234:34
67.29:244:34
77.19:254:33
87.19:274:33
97.19:284:33
107.19:294:32
117.09:304:32
127.09:314:32
137.09:324:32
147.09:334:32
157.09:344:32
166.99:354:32
176.99:364:32
186.99:374:32
196.99:374:33
206.99:384:33
216.99:384:33
226.99:394:34
236.99:394:34
246.99:404:35
256.99:404:35
266.99:404:36
276.99:404:37
286.99:414:38
297.09:414:38
307.09:414:39
317.09:414:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.47 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.47 kWh/m² to a high of 5.71 kWh/m² in June across the year — December's 0.47 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.6Dim
20.5Dim
30.5Dim
40.5Dim
50.5Dim
60.5Dim
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

Hazard calendar for Ust’-Katav

In seasonPeak

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

Ust’-Katav's rainy season runs May–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 Ust’-Katav?

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
7th-best month of the year

December is a weaker month for outdoor sightseeing in Ust’-Katav.

What to pack for Ust’-Katav in December

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

In December, Ust’-Katav sees daytime highs around -8°C and nights near -15°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Ust’-Katav 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 Ust’-Katav peaks around June 22 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 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 6Dec 22UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May4Moderate
Jun6High
Jul6High
Aug4Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Ust’-Katav?

Ust’-Katav sits at 54.9°N, 58.2°E, 302 m above sea level, in Russia. The nearest listed city is Katav-Ivanovsk, 21 km away.

Topography around Ust’-Katav

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

Within 3 km, the terrain around Ust’-Katav has significant variations in elevation — a maximum elevation change of 281 m around an average of 385 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 478 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,526 m.

The land around Ust’-Katav is covered by trees (63%) within 3 km, trees (77%) within 16 km, and trees (82%) within 80 km.

3 km
281 m
16 km
478 m
80 km
1,526 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Katav-Ivanovsk 21 km · Trëkhgornyy 22 km · Sim 31 km · Bakal 40 km · Satka 57 km · Asha 59 km · Kusa 92 km · Zlatoust 98 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 Ust’-Katav (54.9366°, 58.1757°, elevation 302 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).