Korsakov weather in December

In December, Korsakov sees average daytime highs of -4°C and overnight lows near -11°C, with 53 mm of precipitation across 7.4 wet days and about 8.4 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about -2°C in the first days to -5°C by the end. The sky is clear or mostly clear about 23% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of December to 8 h 24 min by month's end. Set against the rest of the year, December is Korsakov's 5th-clearest and 3rd-windiest month. For the whole year in context, see Korsakov's year-round climate.

Daytime high
-4°
10th warmest
Overnight low
-11°
3rd coldest
Precipitation
53 mm
7.4 wet days
Daylight
8 h 24 min
8:14 AM – 4:36 PM
Cloud cover
64%
5th clearest
Wind
15 km/h
3rd windiest
Solar energy
1.38 kWh/m²
Travel score
0.0
out of 10

Korsakov is town in Sakhalin Oblast, Russia.

Density
1,350/km²
people per km²
Founded
1853

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 -5°C by the end.

A typical December day in Korsakov reaches about -4°C in the afternoon and slips back to -11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -8°C and 1°C. Set against its neighbours, December runs about 7°C cooler than November and about 3°C warmer than January.

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

How December really feels in Korsakov

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.

Korsakov weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-7° / -14°416.17.48.80.0
Feb-6° / -14°325.36.7100.0
Mar-1° / -9°537.88.211.60.0
Apr / -2°619.66.213.30.6
May11° / 659.61.414.82.8
Jun15° / 558.7015.64.4
Jul18° / 13°799015.35.7
Aug20° / 15°10210.30146.0
Sep18° / 11°9610.8012.45.5
Oct12° / 8310.40.410.63.0
Nov / -3°6394.89.20.2
Dec-4° / -11°537.47.98.40.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34357
44357
54258
64258
74159
84258
94258
104159
114258
124258
134258
144258
154357
164357
174357
184357
194357
204456
214357
224357
234357
244456
254456
264456
274456
284357
294456
304357
314357

Chance of precipitation in December

Any precipitationSnow

Korsakov gets around 53 mm of rain and snow over 7.4 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 24% and peaks near 27% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12722
22622
32622
42623
52523
62524
72524
82424
92425
102425
112325
122325
132325
142325
152225
162225
172226
182226
192226
202326
212326
222327
232327
242327
252427
262427
272428
282428
292428
302428
312327

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 15 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 15 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
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 8 h 36 min at the start of December to 8 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 8:00 AM to 8:20 AM, and sunset from 4:38 PM to 4:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.68:004:38
28.68:014:37
38.68:024:37
48.68:034:37
58.58:044:36
68.58:054:36
78.58:064:36
88.58:074:36
98.58:084:36
108.58:094:36
118.48:104:36
128.48:114:36
138.48:114:36
148.48:124:36
158.48:134:36
168.48:144:36
178.48:144:37
188.48:154:37
198.48:164:37
208.48:164:38
218.48:174:38
228.48:174:39
238.48:184:39
248.48:184:40
258.48:184:40
268.48:194:41
278.48:194:41
288.48:194:42
298.48:194:43
308.48:204:44
318.48:204:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.38 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.38 kWh/m² to a high of 5.42 kWh/m² in May across the year — December's 1.38 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.5Dim
21.4Dim
31.4Dim
41.4Dim
51.4Dim
61.4Dim
71.4Dim
81.4Dim
91.4Dim
101.4Dim
111.4Dim
121.4Dim
131.4Dim
141.4Dim
151.4Dim
161.4Dim
171.4Dim
181.4Dim
191.4Dim
201.4Dim
211.4Dim
221.4Dim
231.4Dim
241.4Dim
251.4Dim
261.4Dim
271.4Dim
281.4Dim
291.4Dim
301.5Dim
311.5Dim
Planning a trip in December

Is December a good time to visit Korsakov?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
9th-best month of the year
0.0
Beach & pool
6th-best month of the year

December is a weaker month for outdoor sightseeing in Korsakov.

What to pack for Korsakov in December

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

In December, Korsakov sees daytime highs around -4°C and nights near -11°C. Pack a warm layer and a heavy coat. About 7 days see rain.

a warm layera heavy coat

Sea temperature near Korsakov 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 17°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
Apr1Bracing
May5Bracing
Jun9Bracing
Jul14Bracing
Aug17Cool
Sep16Cool
Oct11Bracing
Nov7Bracing
Dec3Bracing

UV index in Korsakov 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 Korsakov peaks around August 12 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 12UV 7Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Korsakov?

Korsakov sits at 46.6°N, 142.8°E, 61 m above sea level, in Russia. The nearest listed city is Yuzhno-Sakhalinsk, 36 km away.

Topography around Korsakov

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

Within 3 km, the terrain around Korsakov has only modest variations in elevation — a maximum elevation change of 121 m around an average of 38 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 462 m; within 80 km, large variations in elevation — a maximum elevation change of 1,026 m.

The land around Korsakov is covered by trees (38%) and artificial surfaces (23%) within 3 km, water (62%) and trees (32%) within 16 km, and water (50%) and trees (46%) within 80 km.

3 km
121 m
16 km
462 m
80 km
1,026 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Yuzhno-Sakhalinsk 36 km · Nevel’sk 71 km · Kholmsk 72 km · Makubetsu 159 km · Wakkanai 161 km · Nayoro 255 km · Mombetsu 258 km · Minamishibetsuchō 278 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 Korsakov (46.6341°, 142.7829°, elevation 61 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).