Korsakov weather in July

In July, Korsakov sees average daytime highs of 18°C and overnight lows near 13°C, with 79 mm of rain across 9 wet days and about 15.3 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 13% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 h 36 min at the start of July to 14 h 48 min by month's end. Set against the rest of the year, July is Korsakov's 12th-clearest and 12th-windiest month. For the whole year in context, see Korsakov's year-round climate.

Daytime high
18°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
79 mm
9 wet days
Daylight
15 h 18 min
4:56 AM – 8:13 PM
Cloud cover
80%
12th clearest
Wind
11 km/h
12th windiest
Solar energy
4.83 kWh/m²
Travel score
5.7
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 July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 20°C by the end.

A typical July day in Korsakov reaches about 18°C in the afternoon and slips back to 13°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, July runs about 4°C warmer than June and about 2°C cooler than August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11711
21711
31711
41711
51712
61712
71812
81812
91812
101812
111812
121812
131813
141813
151813
161813
171913
181913
191913
201913
211914
221914
231914
241914
251914
261914
272014
282014
292014
302015
312015

How July really feels in Korsakov

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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Korsakov weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 4th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of July, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32674
42575
52575
62575
72476
82476
92377
102377
112377
122377
132278
142278
152179
162179
172179
181981
191981
201981
211882
221882
231783
241783
251783
261783
271882
281882
292080
302179
312179

Chance of precipitation in July

Any precipitation

Korsakov gets around 79 mm of rain over 9 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
827
927
1027
1127
1227
1328
1428
1528
1629
1729
1829
1930
2030
2131
2231
2331
2431
2532
2632
2732
2832
2931
3031
3131

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1702460
2682570
3672580
4652690
56327100
66227110
76028120
85928130
95729140
105629150
115330161
125230171
135031181
144832191
154632201
164533211
174333222
184134232
193934242
203735253
213535263
223335274
233235285
243035295
252935306
262834317
272634328
282534329
2924343210
3023343211
3122333212

Wind in July

Winds average 11 km/h in July, the calmest month.

Across July, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 36 min at the start of July to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 4:44 AM to 5:12 AM, and sunset from 8:20 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.64:448:20
215.64:458:20
315.64:458:20
415.64:468:19
515.54:478:19
615.54:478:19
715.54:488:19
815.54:498:18
915.54:508:18
1015.44:508:17
1115.44:518:17
1215.44:528:16
1315.44:538:15
1415.44:548:15
1515.34:558:14
1615.34:568:13
1715.34:578:13
1815.24:588:12
1915.24:598:11
2015.25:008:10
2115.15:018:09
2215.15:028:08
2315.15:038:07
2415.05:048:06
2515.05:058:05
2615.05:068:04
2714.95:078:03
2814.95:098:02
2914.85:108:00
3014.85:117:59
3114.85:127:58

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.83 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 — July's 4.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
144.9Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.7Bright
224.7Bright
234.7Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in July

Is July a good time to visit Korsakov?

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

5.7
Sightseeing
2nd-best month of the year
2.2
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Korsakov for sightseeing.

What to pack for Korsakov in July

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

In July, Korsakov sees daytime highs around 18°C and nights near 13°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

Sea temperature near Korsakov in July

The nearest coast averages about 14°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 7 — enough to warrant sun protection. 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
July 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).