Okha weather in December

In December, Okha sees average daytime highs of -10°C and overnight lows near -14°C, with 53 mm of precipitation across 10.3 wet days and about 7.3 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about -7°C in the first days to -12°C by the end. The sky is clear or mostly clear about 3% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 36 min at the start of December to 7 h 18 min by month's end. Set against the rest of the year, December is Okha's 12th-clearest and 1st-windiest month. For the whole year in context, see Okha's year-round climate.

Daytime high
-10°
10th warmest
Overnight low
-14°
4th coldest
Precipitation
53 mm
10.3 wet days
Daylight
7 h 12 min
8:47 AM – 4:01 PM
Cloud cover
88%
12th clearest
Wind
27 km/h
1st windiest
Solar energy
0.68 kWh/m²
Travel score
0.0
out of 10

Okha is human settlement in Okhinsky District, Sakhalin Oblast, Russia.

Density
604/km²
people per km²
Founded
1880

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 -7°C in the first days to -12°C by the end.

A typical December day in Okha reaches about -10°C in the afternoon and slips back to -14°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -17°C and -2°C. Set against its neighbours, December runs about 8°C cooler than November and about 4°C warmer than January.

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

How December really feels in Okha

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.

Okha weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-14° / -18°387.39.37.80.0
Feb-14° / -19°224.66.49.40.0
Mar-8° / -14°366.57.911.50.0
Apr-1° / -6°407.88.213.70.0
May / 538.83.715.60.3
Jun10° / 518.2016.72.5
Jul15° / 11°627.6016.34.6
Aug16° / 12°8410.5014.65.0
Sep13° / 10°7610.8012.53.7
Oct / 8713.53.810.30.7
Nov-2° / -5°8316.216.98.30.0
Dec-10° / -14°5310.313.67.30.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31189
41090
51090
61189
71189
81090
91090
101090
11991
121090
131090
14991
15991
16991
17991
18892
19892
20892
21892
22892
23892
24892
25892
26892
27892
28892
29892
30892
31892

Chance of precipitation in December

Any precipitationSnow

Okha gets around 53 mm of rain and snow over 10.3 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 33% and peaks near 46% on the wettest days, and about 14 days bring snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14657
24556
34555
44455
54354
64254
74153
84052
93951
103850
113749
123648
133547
143346
153244
163243
173142
183041
192939
202838
212838
222737
232736
242635
252635
262634
272634
282534
292534
302533
312533

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 27 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
3027breezy
3127breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 36 min at the start of December to 7 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 8:30 AM to 8:53 AM, and sunset from 4:06 PM to 4:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.68:304:06
27.68:324:05
37.58:334:04
47.58:344:04
57.58:364:03
67.48:374:03
77.48:384:02
87.48:394:02
97.48:414:02
107.38:424:02
117.38:434:01
127.38:444:01
137.38:454:01
147.38:464:01
157.28:474:01
167.28:474:01
177.28:484:01
187.28:494:02
197.28:504:02
207.28:504:02
217.28:514:03
227.28:514:03
237.28:524:04
247.28:524:04
257.28:524:05
267.28:534:05
277.28:534:06
287.28:534:07
297.28:534:08
307.38:534:09
317.38:534:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.68 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.68 kWh/m² to a high of 5.72 kWh/m² in May across the year — December's 0.68 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.7Dim
20.7Dim
30.7Dim
40.7Dim
50.7Dim
60.7Dim
70.7Dim
80.7Dim
90.7Dim
100.7Dim
110.7Dim
120.7Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.7Dim
220.7Dim
230.7Dim
240.7Dim
250.7Dim
260.7Dim
270.7Dim
280.7Dim
290.7Dim
300.7Dim
310.8Dim
Planning a trip in December

Is December a good time to visit Okha?

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

0.0
Sightseeing
7th-best month of the year
Beach & pool
never really warm enough

December is a weaker month for outdoor sightseeing in Okha.

What to pack for Okha in December

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

In December, Okha sees daytime highs around -10°C and nights near -14°C. Pack a warm layer and a heavy coat. Worth having: rain gear and a windbreaker. About 10 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Okha in December

The nearest coast averages about -0°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 13°C and coldest in March near -1°C.

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

-5°0°5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan-1Bracing
Feb-1Bracing
Mar-1Bracing
Apr-1Bracing
May0Bracing
Jun5Bracing
Jul11Bracing
Aug13Bracing
Sep11Bracing
Oct7Bracing
Nov3Bracing
Dec0Bracing

UV index in Okha 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 Okha peaks around August 10 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 18 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 5Dec 18UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5High
Aug5High
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Okha in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Okha is worst in September — around 21 µg/m³ PM2.5 (moderate), about 7.9× the cleanest month (January, 3 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1519 µg/m³Jan 153 µg/m³
PM2.5 (µg/m³)Level
Jan3Good
Feb4Good
Mar11Good
Apr12Good
May9Good
Jun7Good
Jul10Good
Aug12Moderate
Sep21Moderate
Oct9Good
Nov5Good
Dec4Good
Location & terrain

Where is Okha?

Okha sits at 53.6°N, 143.0°E, 25 m above sea level, in Russia. The nearest listed city is Nikolayevsk-on-Amure, 156 km away.

VaninoSovetskaya Gavan’KholmskYuzhno-Sakhalinsk

Topography around Okha

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

Within 3 km, the terrain around Okha has only modest variations in elevation — a maximum elevation change of 78 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 103 m; within 80 km, significant variations in elevation — a maximum elevation change of 585 m.

The land around Okha is covered by trees (48%) and grassland (29%) within 3 km, trees (49%) and water (37%) within 16 km, and water (53%) and trees (36%) within 80 km.

3 km
78 m
16 km
103 m
80 km
585 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetland
December weather nearby: Nikolayevsk-on-Amure 156 km · Poronaysk 487 km · Komsomolsk-on-Amur 528 km · Vanino 534 km · Sovetskaya Gavan’ 546 km · Amursk 559 km · Kholmsk 731 km · Yuzhno-Sakhalinsk 739 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 Okha (53.5949°, 142.9528°, elevation 25 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).