Okha weather in May

In May, Okha sees average daytime highs of 5°C and overnight lows near 0°C, with 53 mm of precipitation across 8.8 wet days and about 15.6 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 3°C in the first days to 7°C by the end. The sky is clear or mostly clear about 21% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of May to 16 h 24 min by month's end. Set against the rest of the year, May is Okha's 8th-clearest and 9th-windiest month. For the whole year in context, see Okha's year-round climate.

Daytime high
6th warmest
Overnight low
7th coldest
Precipitation
53 mm
8.8 wet days
Daylight
15 h 36 min
4:35 AM – 8:14 PM
Cloud cover
71%
8th clearest
Wind
18 km/h
9th windiest
Solar energy
5.72 kWh/m²
Travel score
0.3
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 3°C in the first days to 7°C by the end.

A typical May day in Okha reaches about 5°C in the afternoon and slips back to 0°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 9°C. Set against its neighbours, May runs about 6°C warmer than April and about 6°C cooler than June.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
12-2
22-2
33-2
43-2
53-2
63-2
73-1
83-1
94-1
104-1
114-1
124-1
134-1
1450
1550
1650
1750
1850
1950
2061
2161
2261
2361
2461
2561
2672
2772
2872
2972
3083
3183

How May really feels in Okha

Once humidity and wind are folded in, May 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
wind chill below the day's low

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

Okha weather by month

How May compares with the rest of the year at a glance. May is the 6th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43268
53367
63268
73268
83367
93367
103367
113367
123367
133367
143367
153367
163268
173169
183169
193169
203070
212971
222971
233070
243070
253070
263070
273070
283169
293169
303169
313169

Chance of precipitation in May

Any precipitationSnow

Okha gets around 53 mm of rain and snow over 8.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 32% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12823
22722
32721
42721
52620
62619
72618
82617
92516
102515
112515
122514
132513
142512
152511
162510
172610
18269
19279
20288
21298
22307
23307
24316
25316
26315
27325
28324
29313
30313
31312

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May 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 May

Winds average 18 km/h in May.

Across May, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 42 min at the start of May to 16 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 102 minutes over May. Sunrise moves from 5:03 AM to 4:15 AM, and sunset from 7:48 PM to 8:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.75:037:48
214.85:017:49
314.94:597:51
414.94:577:53
515.04:557:55
615.14:537:57
715.14:517:58
815.24:498:00
915.24:478:02
1015.34:458:04
1115.44:448:05
1215.44:428:07
1315.54:408:09
1415.54:388:11
1515.64:378:12
1615.64:358:14
1715.74:338:16
1815.84:328:17
1915.84:308:19
2015.94:298:20
2115.94:278:22
2216.04:268:24
2316.04:248:25
2416.14:238:27
2516.14:228:28
2616.14:218:29
2716.24:198:31
2816.24:188:32
2916.34:178:34
3016.34:168:35
3116.44:158:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.72 kWh/m² — the sunniest month for solar.

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 — May's 5.72 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in May

Is May a good time to visit Okha?

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

0.3
Sightseeing
6th-best month of the year
Beach & pool
never really warm enough

May is a weaker month for outdoor sightseeing in Okha.

What to pack for Okha in May

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

In May, Okha sees daytime highs around 5°C and nights near 0°C. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 9 days see rain.

a warm layera heavy coatrain gearsun protection

Sea temperature near Okha in May

The nearest coast averages about 0°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).