Koz’modem’yansk weather in December

In December, Koz’modem’yansk sees average daytime highs of -5°C and overnight lows near -10°C, with 40 mm of precipitation across 10.7 wet days and about 6.7 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about -4°C in the first days to -6°C by the end. The sky is clear or mostly clear about 3% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 hours at the start of December to 6 h 42 min by month's end. Set against the rest of the year, December is Koz’modem’yansk's 12th-clearest and 1st-windiest month. For the whole year in context, see Koz’modem’yansk's year-round climate.

Daytime high
-5°
10th warmest
Overnight low
-10°
3rd coldest
Precipitation
40 mm
10.7 wet days
Daylight
6 h 36 min
8:31 AM – 3:09 PM
Cloud cover
92%
12th clearest
Wind
16 km/h
1st windiest
Solar energy
0.36 kWh/m²
Travel score
0.0
out of 10

Koz’modem’yansk is human settlement in Kozmodemyansk Urban Okrug, Mari El Republic, Russia.

Density
1,693/km²
people per km²
Founded
1583

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 -4°C in the first days to -6°C by the end.

A typical December day in Koz’modem’yansk reaches about -5°C in the afternoon and slips back to -10°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -14°C and 1°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

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

How December really feels in Koz’modem’yansk

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.

Koz’modem’yansk weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-7° / -12°3710.312.27.30.0
Feb-6° / -12°3189.29.10.0
Mar / -7°358.38.311.40.0
Apr / 367.92.213.92.0
May17° / 459.20.3165.6
Jun22° / 13°7011.3017.36.3
Jul24° / 16°7111016.86.8
Aug22° / 14°5910.4014.96.5
Sep15° / 5910.90.112.54.4
Oct / 5812.12.510.11.2
Nov-0° / -4°4310.27.87.90.0
Dec-5° / -10°4010.711.36.70.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 2% of December, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
2991
3892
4892
5892
6892
7892
8793
9694
10694
11694
12694
13694
14595
15595
16595
17595
18595
19595
20595
21595
22496
23496
24496
25496
26496
27496
28496
29595
30595
31595

Chance of precipitation in December

Any precipitationSnow

Koz’modem’yansk gets around 40 mm of rain and snow over 10.7 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 34% and peaks near 34% on the wettest days, and about 11 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13233
23233
33333
43334
53334
63434
73434
83434
93435
103435
113435
123435
133436
143436
153436
163437
173437
183437
193438
203438
213438
223438
233438
243438
253438
263438
273338
283338
293338
303338
313338

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 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 hours 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 18 minutes over December. Sunrise moves from 8:12 AM to 8:37 AM, and sunset from 3:15 PM to 3:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.08:123:15
27.08:143:14
37.08:153:13
46.98:173:12
56.98:183:12
66.98:203:11
76.88:213:11
86.88:233:10
96.88:243:10
106.78:253:09
116.78:263:09
126.78:273:09
136.78:283:09
146.78:293:09
156.68:303:09
166.68:313:09
176.68:323:09
186.68:333:09
196.68:333:09
206.68:343:09
216.68:353:10
226.68:353:10
236.68:363:11
246.68:363:11
256.68:363:12
266.68:373:13
276.68:373:13
286.68:373:14
296.68:373:15
306.78:373:16
316.78:373:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.36 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.36 kWh/m² to a high of 5.65 kWh/m² in June across the year — December's 0.36 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.4Dim
20.4Dim
30.4Dim
40.4Dim
50.4Dim
60.4Dim
70.4Dim
80.4Dim
90.4Dim
100.4Dim
110.4Dim
120.4Dim
130.4Dim
140.4Dim
150.3Dim
160.3Dim
170.3Dim
180.3Dim
190.3Dim
200.3Dim
210.3Dim
220.3Dim
230.4Dim
240.4Dim
250.4Dim
260.4Dim
270.4Dim
280.4Dim
290.4Dim
300.4Dim
310.4Dim
Planning a trip in December

Is December a good time to visit Koz’modem’yansk?

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 Koz’modem’yansk.

What to pack for Koz’modem’yansk in December

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

In December, Koz’modem’yansk sees daytime highs around -5°C and nights near -10°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

UV index in Koz’modem’yansk 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 Koz’modem’yansk peaks around June 20 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 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May4Moderate
Jun6High
Jul6High
Aug4Moderate
Sep4Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Koz’modem’yansk?

Koz’modem’yansk sits at 56.3°N, 46.6°E, 140 m above sea level, in Russia. The nearest listed city is Cheboksary, 48 km away.

Topography around Koz’modem’yansk

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Koz’modem’yansk.

Within 3 km, the terrain around Koz’modem’yansk has only modest variations in elevation — a maximum elevation change of 121 m around an average of 104 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 143 m; within 80 km, only modest variations in elevation — a maximum elevation change of 178 m.

The land around Koz’modem’yansk is covered by water (40%) and trees (26%) within 3 km, trees (37%) and water (37%) within 16 km, and trees (60%) within 80 km.

3 km
121 m
16 km
143 m
80 km
178 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Cheboksary 48 km · Novocheboksarsk 62 km · Medvedevo 83 km · Yoshkar-Ola 89 km · Shumerlya 93 km · Lyskovo 100 km · Kanash 108 km · Sergach 113 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 Koz’modem’yansk (56.3321°, 46.5606°, elevation 140 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).