Korsakov weather in October

In October, Korsakov sees average daytime highs of 12°C and overnight lows near 4°C, with 83 mm of precipitation across 10.4 wet days and about 10.6 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 8°C by the end. The sky is clear or mostly clear about 38% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 9 h 54 min by month's end. Set against the rest of the year, October is Korsakov's 1st-clearest and 2nd-windiest month. For the whole year in context, see Korsakov's year-round climate.

Daytime high
12°
5th warmest
Overnight low
8th coldest
Precipitation
83 mm
10.4 wet days
Daylight
10 h 36 min
6:55 AM – 5:33 PM
Cloud cover
55%
1st clearest
Wind
15 km/h
2nd windiest
Solar energy
2.73 kWh/m²
Travel score
3.0
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 15°C in the first days to 8°C by the end.

A typical October day in Korsakov reaches about 12°C in the afternoon and slips back to 4°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 15°C. Set against its neighbours, October runs about 6°C cooler than September and about 8°C warmer than November.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1158
2157
3157
4147
5147
6147
7146
8136
9136
10136
11135
12135
13125
14125
15125
16124
17114
18114
19114
20114
21103
22103
23103
24103
2593
2692
2792
2892
2982
3082
3181

How October really feels in Korsakov

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 12 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
12
wind chill below the day's low

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

Korsakov weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 3rd-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45347
55347
65446
75446
85545
95644
105644
115644
125743
135743
145644
155644
165644
175644
185545
195545
205545
215545
225446
235446
245347
255347
265248
275248
285248
295149
305248
315149

Chance of precipitation in October

Any precipitationSnow

Korsakov gets around 83 mm of rain and snow over 10.4 wet days in October. 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 36% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1360
2360
3360
4360
5360
6360
7360
8350
9350
10350
11350
12340
13340
14341
15331
16331
17331
18321
19321
20322
21322
22322
23322
24323
25323
26323
27324
28334
29335
30336
31336

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1964
2964
3973
4973
5982
6982
7982
8991
9991
10991
11991
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 15 km/h in October.

Across October, 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over October. Sunrise moves from 6:34 AM to 7:17 AM, and sunset from 6:02 PM to 5:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:346:02
211.46:356:00
311.46:365:58
411.36:385:56
511.26:395:54
611.26:415:52
711.16:425:50
811.16:435:48
911.06:455:46
1011.06:465:44
1110.96:485:42
1210.96:495:40
1310.86:505:39
1410.76:525:37
1510.76:535:35
1610.66:555:33
1710.66:565:31
1810.56:585:29
1910.56:595:28
2010.47:015:26
2110.47:025:24
2210.37:035:22
2310.37:055:21
2410.27:065:19
2510.27:085:17
2610.17:095:16
2710.17:115:14
2810.07:125:13
2910.07:145:11
309.97:155:10
319.97:175:08

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.73 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 — October's 2.73 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.0Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.9Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.7Moderate
182.7Moderate
192.6Moderate
202.6Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.4Moderate
252.4Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in October

Is October a good time to visit Korsakov?

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

3.0
Sightseeing
5th-best month of the year
0.0
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Korsakov.

What to pack for Korsakov in October

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

In October, Korsakov sees daytime highs around 12°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Korsakov in October

The nearest coast averages about 11°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. 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
October 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).