Korsakov weather in January

In January, Korsakov sees average daytime highs of -7°C and overnight lows near -14°C, with 41 mm of precipitation across 6.1 wet days and about 8.8 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near -7°C through the month. The sky is clear or mostly clear about 24% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 24 min at the start of January to 9 h 18 min by month's end. Set against the rest of the year, January is Korsakov's 4th-clearest and 4th-windiest month. For the whole year in context, see Korsakov's year-round climate.

Daytime high
-7°
12th warmest
Overnight low
-14°
1st coldest
Precipitation
41 mm
6.1 wet days
Daylight
8 h 42 min
8:16 AM – 5:01 PM
Cloud cover
64%
4th clearest
Wind
13 km/h
4th windiest
Solar energy
1.73 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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -7°C through the month.

A typical January day in Korsakov reaches about -7°C in the afternoon and slips back to -14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -12°C and -2°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

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

How January really feels in Korsakov

Once humidity and wind are folded in, January 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 January is cold — wind chill drags the overnight "feels like" below the raw low.

Korsakov weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34357
44456
54456
64456
74357
84456
94456
104456
114456
124456
134456
144456
154456
164555
174357
184258
194258
204258
214258
224060
234060
243961
253961
263961
273961
283862
293961
303961
313961

Chance of precipitation in January

Any precipitationSnow

Korsakov gets around 41 mm of rain and snow over 6.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 20% and peaks near 23% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12327
22327
32226
42226
52125
62125
72124
82124
92024
102024
112024
122023
132023
142024
152024
161924
171924
181924
191924
201924
211924
221924
231923
241923
251923
261823
271823
281822
291822
301822
311722

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January 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 January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 13 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
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 24 min at the start of January to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over January. Sunrise moves from 8:19 AM to 8:03 AM, and sunset from 4:45 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.48:194:45
28.48:194:46
38.58:194:46
48.58:194:47
58.58:194:48
68.58:194:49
78.58:194:50
88.58:194:51
98.68:194:52
108.68:184:54
118.68:184:55
128.68:184:56
138.78:174:57
148.78:174:58
158.78:164:59
168.78:165:01
178.88:155:02
188.88:155:03
198.88:145:04
208.98:135:06
218.98:125:07
228.98:125:08
239.08:115:10
249.08:105:11
259.18:095:13
269.18:085:14
279.18:075:15
289.28:065:17
299.28:055:18
309.38:045:20
319.38:035:21

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.73 kWh/m².

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 — January's 1.73 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.5Dim
21.5Dim
31.5Dim
41.5Dim
51.5Dim
61.6Dim
71.6Dim
81.6Dim
91.6Dim
101.6Dim
111.6Dim
121.6Dim
131.6Dim
141.7Dim
151.7Dim
161.7Dim
171.7Dim
181.8Dim
191.8Dim
201.8Dim
211.8Dim
221.9Dim
231.9Dim
241.9Dim
251.9Dim
262.0Dim
272.0Moderate
282.0Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in January

Is January a good time to visit Korsakov?

Our two travel scores rate January 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

January is a weaker month for outdoor sightseeing in Korsakov.

What to pack for Korsakov in January

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

In January, Korsakov sees daytime highs around -7°C and nights near -14°C. Pack a warm layer and a heavy coat. About 6 days see rain.

a warm layera heavy coat

Sea temperature near Korsakov in January

The nearest coast averages about 1°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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
January 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).