Smach Mean Chey weather in August

In August, Smach Mean Chey sees average daytime highs of 28°C and overnight lows near 25°C, with 596 mm of rain across 30.3 wet days and about 12.4 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Smach Mean Chey's 11th-clearest and 1st-windiest month. For the whole year in context, see Smach Mean Chey's year-round climate.

Daytime high
28°
11th warmest
Overnight low
25°
8th coldest
Rainfall
596 mm
30.3 wet days
Daylight
12 h 24 min
6:00 AM – 6:24 PM
Cloud cover
91%
11th clearest
Wind
13 km/h
1st windiest
Solar energy
4.12 kWh/m²
Travel score
3.2
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Smach Mean Chey reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How August really feels in Smach Mean Chey

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Smach Mean Chey weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°40811.45.6
Feb29° / 24°4610.111.65.4
Mar30° / 25°10418.411.94.3
Apr30° / 25°14423.112.23.4
May29° / 26°3632912.52.9
Jun29° / 25°51528.912.73.0
Jul28° / 25°61430.112.63.2
Aug28° / 25°59630.312.43.2
Sep28° / 25°52029.312.13.2
Oct29° / 25°31026.711.73.4
Nov30° / 25°8213.911.54.5
Dec30° / 24°316.711.35.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 4% of August, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1397
2496
3496
4595
5595
6595
7595
8694
9694
10694
11694
12694
13694
14694
15694
16694
17694
18595
19595
20595
21595
22595
23595
24595
25595
26595
27595
28595
29595
30595
31397

Chance of precipitation in August

Any precipitation

Smach Mean Chey gets around 596 mm of rain over 30.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 98% and peaks near 98% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
198
298
398
498
598
698
798
898
998
1098
1198
1298
1398
1498
1598
1698
1798
1898
1998
2098
2198
2297
2397
2497
2597
2697
2797
2897
2997
3097
3197

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13565
23565
33466
43466
53466
63367
73367
83268
93268
103169
113169
123169
133169
143169
153169
163169
173169
183169
193169
203169
213169
223169
233169
243169
253169
263169
273268
283268
293268
303367
313466

Wind in August

Winds average 13 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 12 km/h on the calmest days to 14 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
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 30 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 5:58 AM to 6:01 AM, and sunset from 6:29 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:586:29
212.55:596:29
312.55:596:29
412.55:596:28
512.55:596:28
612.55:596:28
712.55:596:27
812.56:006:27
912.46:006:27
1012.46:006:26
1112.46:006:26
1212.46:006:25
1312.46:006:25
1412.46:006:24
1512.46:006:24
1612.46:006:24
1712.46:006:23
1812.46:016:23
1912.46:016:22
2012.36:016:21
2112.36:016:21
2212.36:016:20
2312.36:016:20
2412.36:016:19
2512.36:016:19
2612.36:016:18
2712.36:016:17
2812.36:016:17
2912.36:016:16
3012.26:016:16
3112.26:016:15

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.12 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 5.9 kWh/m² in April across the year — August's 4.12 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Moderate
64.0Moderate
74.0Bright
84.0Bright
94.1Bright
104.1Bright
114.1Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in August

Hazard calendar for Smach Mean Chey

In seasonPeak

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

Smach Mean Chey sits in the Pacific typhoon belt; the season peaks July–October.

Smach Mean Chey'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 August a good time to visit Smach Mean Chey?

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

3.2
Sightseeing
8th-best month of the year
3.5
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Smach Mean Chey.

What to pack for Smach Mean Chey in August

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

In August, Smach Mean Chey sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Smach Mean Chey in August

The nearest coast averages about 29°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) 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
Feb29Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Smach Mean Chey in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Smach Mean Chey peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 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 14Dec 11UV 9
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Smach Mean Chey in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Smach Mean Chey is worst in February — around 24 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodFeb 1523 µg/m³Nov 129 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb24Moderate
Mar19Moderate
Apr16Moderate
May12Moderate
Jun12Good
Jul14Moderate
Aug12Good
Sep10Good
Oct10Good
Nov9Good
Dec11Good
Location & terrain

Where is Smach Mean Chey?

Smach Mean Chey sits at 11.5°N, 103.0°E, 5 m above sea level, in Cambodia. The nearest listed city is Koh Kong, 10 km away.

TratKo ChangLaem NgopKhao SamingSihanoukvillePursat

Topography around Smach Mean Chey

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

Within 3 km, the terrain around Smach Mean Chey has only modest variations in elevation — a maximum elevation change of 57 m around an average of 4 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 480 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,727 m.

The land around Smach Mean Chey is covered by mangroves (43%) and water (34%) within 3 km, trees (39%) and water (35%) within 16 km, and trees (51%) and water (43%) within 80 km.

3 km
57 m
16 km
480 m
80 km
1,727 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
August weather nearby: Koh Kong 10 km · Khlong Yai 30 km · Trat 96 km · Ko Chang 97 km · Laem Ngop 98 km · Khao Saming 111 km · Sihanoukville 117 km · Pursat 146 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 Smach Mean Chey (11.5466°, 103.0357°, elevation 5 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).