Sihanoukville weather in June

In June, Sihanoukville sees average daytime highs of 29°C and overnight lows near 27°C, with 489 mm of rain across 27.7 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 4% of the time in June, and the air most often feels miserable.

Daylight stretches from about 12 h 36 min at the start of June to 12 h 36 min by month's end. Set against the rest of the year, June is Sihanoukville's 9th-clearest and 4th-windiest month. For the whole year in context, see Sihanoukville's year-round climate.

Daytime high
29°
4th warmest
Overnight low
27°
10th coldest
Rainfall
489 mm
27.7 wet days
Daylight
12 h 36 min
5:48 AM – 6:25 PM
Cloud cover
87%
9th clearest
Wind
16 km/h
4th windiest
Solar energy
4.75 kWh/m²
Travel score
3.1
out of 10

Sihanoukville is city in Preah Sihanouk Province, Cambodia.

Density
913/km²
people per km²
Founded
1964

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical June day in Sihanoukville reaches about 29°C in the afternoon and slips back to 27°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, June runs on par with May and on par with July.

24°26°28°30°32°151015202530
Avg high (°C)Avg low (°C)
12927
22927
32927
42927
52927
62927
72927
82927
92927
102927
112927
122927
132927
142927
152927
162927
172927
182927
192927
202926
212926
222926
232926
242926
252826
262826
272826
282826
292826
302826

How June really feels in Sihanoukville

Once humidity and wind are folded in, June averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sihanoukville weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°379.811.46.4
Feb28° / 26°308.211.66.3
Mar29° / 26°6513.511.95.3
Apr29° / 27°1151912.24.2
May29° / 27°37827.912.53.1
Jun29° / 27°48927.712.63.1
Jul28° / 26°55829.412.63.1
Aug28° / 26°55628.912.33.3
Sep28° / 26°55428.412.13.4
Oct28° / 26°34327.111.83.6
Nov29° / 26°10415.411.54.8
Dec29° / 26°449.311.45.8

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 6% of June, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11090
21189
31189
41288
51288
61288
71189
81189
91189
101288
111189
121189
131189
141189
15991
16991
17991
18991
19991
20892
21892
22892
23892
24892
25892
26892
27892
28892
29892
30892

Chance of precipitation in June

Any precipitation

Sihanoukville gets around 489 mm of rain over 27.7 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
194
293
393
492
592
691
791
890
990
1090
1190
1290
1390
1491
1591
1691
1792
1892
1993
2093
2193
2294
2394
2495
2595
2695
2795
2895
2995
3095

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the miserable band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1298
2298
3298
4298
5298
6298
7397
8397
9397
10397
11397
12496
13496
14496
15496
16595
17595
18694
19694
20694
21793
22892
23892
24991
25991
26991
271090
281090
291189
301189

Wind in June

Winds average 16 km/h in June.

Across June, daily wind ranges from about 15 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 h 36 min at the start of June to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over June. Sunrise moves from 5:46 AM to 5:51 AM, and sunset from 6:21 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:466:21
212.65:466:21
312.65:466:21
412.65:466:21
512.65:466:22
612.65:466:22
712.65:466:22
812.65:476:23
912.65:476:23
1012.65:476:23
1112.65:476:23
1212.65:476:24
1312.65:476:24
1412.65:476:24
1512.65:476:24
1612.65:486:25
1712.65:486:25
1812.65:486:25
1912.65:486:25
2012.65:486:26
2112.65:496:26
2212.65:496:26
2312.65:496:26
2412.65:496:26
2512.65:496:27
2612.65:506:27
2712.65:506:27
2812.65:506:27
2912.65:506:27
3012.65:516:27

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.75 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.26 kWh/m² in March across the year — June's 4.75 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.7Bright
Planning a trip in June

Hazard calendar for Sihanoukville

In seasonPeak

In June, Sihanoukville sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Sihanoukville sits in the Pacific typhoon belt; the season peaks July–October.

Sihanoukville's monsoon runs May–October, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Sihanoukville?

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

3.1
Sightseeing
10th-best month of the year
3.9
Beach & pool
9th-best month of the year

June is a weaker month for outdoor sightseeing in Sihanoukville.

What to pack for Sihanoukville in June

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

In June, Sihanoukville sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Sihanoukville in June

The nearest coast averages about 30°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 31°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Sihanoukville in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sihanoukville peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 13Dec 12UV 9
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Sihanoukville in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sihanoukville is worst in February — around 24 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (September, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodModerateFeb 1423 µg/m³Sep 2210 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb24Moderate
Mar19Moderate
Apr17Moderate
May12Moderate
Jun12Good
Jul14Moderate
Aug11Good
Sep10Good
Oct11Good
Nov12Good
Dec15Moderate
Location & terrain

Where is Sihanoukville?

Sihanoukville sits at 10.6°N, 103.5°E, 6 m above sea level, in Cambodia. The nearest listed city is Phu Quoc, 65 km away.

Phu QuocKampotHàm NinhKepHà TiênSmach Mean CheyKoh KongÂngk Tasaôm

Topography around Sihanoukville

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

Within 3 km, the terrain around Sihanoukville has only modest variations in elevation — a maximum elevation change of 124 m around an average of 21 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 288 m; within 80 km, large variations in elevation — a maximum elevation change of 1,064 m.

The land around Sihanoukville is covered by artificial surfaces (36%) and water (28%) within 3 km, water (62%) and trees (20%) within 16 km, and water (63%) and trees (26%) within 80 km.

3 km
124 m
16 km
288 m
80 km
1,064 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
June weather nearby: Phu Quoc 65 km · Kampot 71 km · Hàm Ninh 74 km · Kep 87 km · Hà Tiên 108 km · Smach Mean Chey 117 km · Koh Kong 127 km · Ângk Tasaôm 133 km

Cambodia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / C / G
230 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$2,872
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
1.8
per 100k, 2011
Road deaths
19.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 390
Religion
Buddhist 97%Muslim 2%other 1%Christian 0%

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 Sihanoukville (10.6093°, 103.5296°, elevation 6 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).