Sosnovyy Bor weather in December

In December, Sosnovyy Bor sees average daytime highs of -0°C and overnight lows near -3°C, with 56 mm of precipitation across 13 wet days and about 5.7 hours of daylight. It is the 9th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 1°C in the first days to -1°C by the end. The sky is clear or mostly clear about 5% of the time in December, and the air most often feels dry.

Daylight stretches from about 6 h 06 min at the start of December to 5 h 42 min by month's end. Set against the rest of the year, December is Sosnovyy Bor's 11th-clearest and 1st-windiest month. For the whole year in context, see Sosnovyy Bor's year-round climate.

Daytime high
-0°
9th warmest
Overnight low
-3°
4th coldest
Precipitation
56 mm
13 wet days
Daylight
5 h 36 min
10:12 AM – 3:48 PM
Cloud cover
88%
11th clearest
Wind
27 km/h
1st windiest
Solar energy
0.16 kWh/m²
Travel score
0.0
out of 10

Sosnovyy Bor is city in Leningrad Oblast, Russia.

Density
952/km²
people per km²
Founded
1958

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 1°C in the first days to -1°C by the end.

A typical December day in Sosnovyy Bor reaches about -0°C in the afternoon and slips back to -3°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between -6°C and 4°C. Set against its neighbours, December runs about 3°C cooler than November and about 2°C warmer than January.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
12-1
21-1
31-1
41-1
51-1
61-1
71-2
81-2
91-2
101-2
111-2
120-2
130-2
140-2
150-3
160-3
170-3
180-3
190-3
20-1-3
21-1-4
22-1-4
23-1-4
24-1-4
25-1-4
26-1-4
27-1-4
28-1-4
29-1-4
30-1-4
31-2-4

How December really feels in Sosnovyy Bor

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
15 feel bitter (≤ -10°C)

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Sosnovyy Bor weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -6°4411.711.86.40.0
Feb-3° / -7°359.59.58.70.0
Mar-1° / -4°369.16.411.30.0
Apr / 368.72.914.10.1
May / 447.80.216.72.0
Jun13° / 10°599.8018.33.6
Jul18° / 15°569.3017.75.9
Aug18° / 15°8511.9015.35.5
Sep14° / 12°8013.2012.63.6
Oct / 8415.11.49.81.0
Nov / 6914.45.77.20.0
Dec-0° / -3°56139.95.70.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 5% of December, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6892
7892
8991
9991
10991
11991
121090
131090
141090
151090
161189
171189
181189
191189
201189
211189
221189
231288
241288
251288
261288
271288
281189
291189
301288
311288

Chance of precipitation in December

Any precipitationSnow

Sosnovyy Bor gets around 56 mm of rain and snow over 13 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 41% and peaks near 44% on the wettest days, and about 10 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14427
24428
34428
44328
54329
64329
74229
84229
94129
104129
114029
124029
133930
143930
153930
163931
173931
183932
194032
204033
214033
224034
234134
244134
254135
264135
274136
284136
294136
304136
314036

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

Across December, daily wind ranges from about 26 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
127breezy
227breezy
327breezy
427breezy
527breezy
627breezy
727breezy
827breezy
927breezy
1027breezy
1127breezy
1227breezy
1327breezy
1427breezy
1527breezy
1627breezy
1727breezy
1827breezy
1927breezy
2027breezy
2127breezy
2227breezy
2327breezy
2427breezy
2527breezy
2627breezy
2727breezy
2827breezy
2927breezy
3026breezy
3126breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 6 h 06 min at the start of December to 5 h 42 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 9:49 AM to 10:17 AM, and sunset from 3:58 PM to 3:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
16.19:493:58
26.19:513:56
36.09:533:55
46.09:553:54
55.99:573:53
65.99:583:52
75.910:003:51
85.810:023:51
95.810:033:50
105.710:053:50
115.710:063:49
125.710:073:49
135.710:093:48
145.610:103:48
155.610:113:48
165.610:123:48
175.610:133:48
185.610:143:48
195.610:143:48
205.610:153:48
215.510:163:49
225.510:163:49
235.510:173:49
245.610:173:50
255.610:173:51
265.610:173:52
275.610:183:52
285.610:183:53
295.610:173:54
305.610:173:55
315.710:173:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.16 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.16 kWh/m² to a high of 5.93 kWh/m² in June across the year — December's 0.16 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.2Dim
20.2Dim
30.2Dim
40.2Dim
50.2Dim
60.2Dim
70.2Dim
80.2Dim
90.2Dim
100.2Dim
110.2Dim
120.2Dim
130.2Dim
140.2Dim
150.2Dim
160.2Dim
170.1Dim
180.1Dim
190.1Dim
200.1Dim
210.1Dim
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 Sosnovyy Bor?

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
5th-best month of the year

December is a weaker month for outdoor sightseeing in Sosnovyy Bor.

What to pack for Sosnovyy Bor in December

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

In December, Sosnovyy Bor sees daytime highs around -0°C and nights near -3°C. Pack a warm layer and a heavy coat. Worth having: rain gear and a windbreaker. About 13 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Sosnovyy Bor in December

The nearest coast averages about 3°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in February near -0°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan1Bracing
Feb0Bracing
Mar0Bracing
Apr2Bracing
May7Bracing
Jun13Bracing
Jul17Cool
Aug18Cool
Sep15Bracing
Oct10Bracing
Nov6Bracing
Dec3Bracing

UV index in Sosnovyy Bor 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 Sosnovyy Bor peaks around July 11 at about 5 (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 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 11UV 5Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5High
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Sosnovyy Bor?

Sosnovyy Bor sits at 59.9°N, 29.1°E, 17 m above sea level, in Russia. The nearest listed city is Lomonosov, 38 km away.

Topography around Sosnovyy Bor

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

Within 3 km, the terrain around Sosnovyy Bor has only modest variations in elevation — a maximum elevation change of 36 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 99 m; within 80 km, only modest variations in elevation — a maximum elevation change of 209 m.

The land around Sosnovyy Bor is covered by trees (63%) within 3 km, water (48%) and trees (45%) within 16 km, and trees (47%) and water (36%) within 80 km.

3 km
36 m
16 km
99 m
80 km
209 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Lomonosov 38 km · Kronstadt 40 km · Petrodvorets 40 km · Peterhof 45 km · Sestroretsk 54 km · Kurortnyy 54 km · Krasnoye Selo 59 km · Sosnovaya Polyana 60 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 Sosnovyy Bor (59.8996°, 29.0857°, elevation 17 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).