Udomlya weather in December

In December, Udomlya sees average daytime highs of -3°C and overnight lows near -8°C, with 44 mm of precipitation across 11.1 wet days and about 6.3 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about -2°C in the first days to -4°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 6 h 42 min at the start of December to 6 h 18 min by month's end. Set against the rest of the year, December is Udomlya's 12th-clearest and 1st-windiest month. For the whole year in context, see Udomlya's year-round climate.

Daytime high
-3°
10th warmest
Overnight low
-8°
3rd coldest
Precipitation
44 mm
11.1 wet days
Daylight
6 h 12 min
9:30 AM – 3:43 PM
Cloud cover
93%
12th clearest
Wind
14 km/h
1st windiest
Solar energy
0.22 kWh/m²
Travel score
0.0
out of 10

Udomlya is town in Tver Oblast, Russia.

Density
3,597/km²
people per km²
Founded
1478

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 -2°C in the first days to -4°C by the end.

A typical December day in Udomlya reaches about -3°C in the afternoon and slips back to -8°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -12°C and 3°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

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

How December really feels in Udomlya

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.

Udomlya 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-5° / -10°4010.711.96.90.0
Feb-4° / -10°329.410.48.90.0
Mar / -6°338.57.911.40.0
Apr10° / 409.12.6142.1
May17° / 7012.40.216.35.0
Jun20° / 11°8412.4017.75.8
Jul22° / 13°9413.6017.16.1
Aug21° / 11°7912.3015.15.9
Sep15° / 5910.70.112.54.1
Oct / 6412.52.59.91.0
Nov / -3°5010.977.60.0
Dec-3° / -8°4411.111.46.30.0

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 3% of December, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3694
4694
5694
6694
7694
8694
9793
10793
11793
12793
13793
14793
15793
16793
17793
18694
19694
20694
21694
22595
23595
24595
25595
26496
27496
28595
29595
30496
31496

Chance of precipitation in December

Any precipitationSnow

Udomlya gets around 44 mm of rain and snow over 11.1 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 35% and peaks near 38% on the wettest days, and about 11 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13328
23329
33329
43330
53330
63331
73432
83432
93433
103434
113434
123535
133535
143536
153536
163537
173537
183638
193638
203639
213739
223740
233740
243740
253741
263741
273841
283842
293842
303842
313742

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

Across December, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 6 h 42 min at the start of December to 6 h 18 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 9:09 AM to 9:35 AM, and sunset from 3:50 PM to 3:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
16.79:093:50
26.69:113:49
36.69:133:48
46.69:143:48
56.59:163:47
66.59:173:46
76.49:193:45
86.49:203:45
96.49:223:44
106.39:233:44
116.39:243:44
126.39:253:43
136.39:273:43
146.39:283:43
156.29:293:43
166.29:303:43
176.29:303:43
186.29:313:43
196.29:323:43
206.29:333:43
216.29:333:44
226.29:343:44
236.29:343:45
246.29:343:45
256.29:353:46
266.29:353:47
276.29:353:48
286.29:353:48
296.29:353:49
306.39:353:50
316.39:353:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.22 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.22 kWh/m² to a high of 5.37 kWh/m² in June across the year — December's 0.22 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.3Dim
20.3Dim
30.3Dim
40.3Dim
50.3Dim
60.2Dim
70.2Dim
80.2Dim
90.2Dim
100.2Dim
110.2Dim
120.2Dim
130.2Dim
140.2Dim
150.2Dim
160.2Dim
170.2Dim
180.2Dim
190.2Dim
200.2Dim
210.2Dim
220.2Dim
230.2Dim
240.2Dim
250.2Dim
260.2Dim
270.2Dim
280.2Dim
290.2Dim
300.2Dim
310.2Dim
Planning a trip in December

Is December a good time to visit Udomlya?

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 Udomlya.

What to pack for Udomlya in December

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

In December, Udomlya sees daytime highs around -3°C and nights near -8°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 Udomlya 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 Udomlya peaks around July 12 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 17 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 6Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun6High
Jul6High
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Udomlya?

Udomlya sits at 57.9°N, 35.0°E, 157 m above sea level, in Russia. The nearest listed city is Vyshniy Volochëk, 41 km away.

Topography around Udomlya

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

Within 3 km, the terrain around Udomlya has only modest variations in elevation — a maximum elevation change of 37 m around an average of 169 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, only modest variations in elevation — a maximum elevation change of 228 m.

The land around Udomlya is covered by trees (54%) within 3 km, trees (72%) within 16 km, and trees (81%) within 80 km.

3 km
37 m
16 km
84 m
80 km
228 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Vyshniy Volochëk 41 km · Bologoye 56 km · Borovichi 86 km · Pestovo 92 km · Torzhok 93 km · Bezhetsk 101 km · Valday 104 km · Tver 125 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 Udomlya (57.876°, 35.007°, elevation 157 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).