Smach Mean Chey weather in April

In April, Smach Mean Chey sees average daytime highs of 30°C and overnight lows near 25°C, with 144 mm of rain across 23.1 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 21% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 24 min by month's end. Set against the rest of the year, April is Smach Mean Chey's 6th-clearest and 12th-windiest month. For the whole year in context, see Smach Mean Chey's year-round climate.

Daytime high
30°
1st warmest
Overnight low
25°
11th coldest
Rainfall
144 mm
23.1 wet days
Daylight
12 h 18 min
6:00 AM – 6:16 PM
Cloud cover
66%
6th clearest
Wind
6 km/h
12th windiest
Solar energy
5.9 kWh/m²
Travel score
3.4
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical April day in Smach Mean Chey reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153026
163026
173026
183026
193026
203026
213026
223026
233026
243026
253026
263026
273026
283026
293026
303026

How April really feels in Smach Mean Chey

Once humidity and wind are folded in, April 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 April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Smach Mean Chey weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 7th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35149
45149
54951
64951
74852
84654
94753
104654
114555
124555
134357
144357
154357
164357
174258
184159
194060
203862
213763
223763
233565
243466
253367
263268
273169
282971
292971
302872

Chance of precipitation in April

Any precipitation

Smach Mean Chey gets around 144 mm of rain over 23.1 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 86% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
172
273
373
473
573
673
773
873
973
1073
1173
1273
1373
1473
1573
1674
1775
1875
1976
2077
2178
2279
2380
2481
2582
2683
2784
2885
2985
3086

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the miserable band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
115148
214950
314752
414554
514356
614158
703961
803763
903565
1003367
1103169
1202971
1302872
1402674
1502476
1602377
1702278
1802080
1901981
2001882
2101783
2201684
2301585
2401486
2501387
2601288
2701189
2801189
2901090
300991

Wind in April

Winds average 6 km/h in April, the calmest month.

Across April, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over April. Sunrise moves from 6:10 AM to 5:53 AM, and sunset from 6:15 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:106:15
212.16:096:15
312.16:086:15
412.16:086:15
512.16:076:15
612.26:066:15
712.26:066:15
812.26:056:15
912.26:056:16
1012.26:046:16
1112.26:036:16
1212.26:036:16
1312.26:026:16
1412.26:026:16
1512.26:016:16
1612.36:006:16
1712.36:006:16
1812.35:596:16
1912.35:596:16
2012.35:586:16
2112.35:586:16
2212.35:576:16
2312.35:576:16
2412.35:566:16
2512.35:566:16
2612.45:556:17
2712.45:556:17
2812.45:546:17
2912.45:546:17
3012.45:536:17

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.9 kWh/m² — the sunniest month for solar.

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 — April's 5.9 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
Planning a trip in April

Hazard calendar for Smach Mean Chey

In seasonPeak

In April, Smach Mean Chey sits inside its pacific typhoon 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 April a good time to visit Smach Mean Chey?

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

3.4
Sightseeing
6th-best month of the year
4.7
Beach & pool
6th-best month of the year

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

What to pack for Smach Mean Chey in April

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

In April, Smach Mean Chey sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Smach Mean Chey in April

The nearest coast averages about 30°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 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 April

GoodModeratePoorUnhealthyVery unhealthy

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