Su-ngai Kolok weather in April

In April, Su-ngai Kolok sees average daytime highs of 33°C and overnight lows near 24°C, with 121 mm of rain across 18.2 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 14% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of April to 12 h 12 min by month's end. Set against the rest of the year, April is Su-ngai Kolok's 3rd-clearest and 5th-windiest month. For the whole year in context, see Su-ngai Kolok's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
24°
10th coldest
Rainfall
121 mm
18.2 wet days
Daylight
12 h 06 min
6:08 AM – 6:16 PM
Cloud cover
71%
3rd clearest
Wind
5 km/h
5th windiest
Solar energy
6.14 kWh/m²
Travel score
2.8
out of 10

Su-ngai Kolok is town in Narathiwat province, Thailand.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical April day in Su-ngai Kolok reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, April runs about 1°C warmer than March and on par with May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324

How April really feels in Su-ngai Kolok

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
18 feel dangerously hot (≥ 39°C)
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.

Su-ngai Kolok weather by month

How April compares with the rest of the year at a glance. April is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°18020.911.74.0
Feb30° / 22°841411.84.3
Mar31° / 23°11715.9123.7
Apr33° / 24°12118.212.12.8
May33° / 25°18825.312.32.2
Jun32° / 24°18724.712.32.4
Jul32° / 24°19124.412.32.6
Aug32° / 24°21925.712.22.5
Sep32° / 24°24826.6122.4
Oct31° / 24°30528.611.92.5
Nov30° / 23°37627.611.72.9
Dec29° / 23°42025.911.73.4

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33466
43565
53565
63466
73466
83565
93565
103565
113466
123466
133565
143565
153466
163466
173367
183268
193169
203070
212971
222872
232773
242773
252674
262575
272476
282476
292377
302278

Chance of precipitation in April

Any precipitation

Su-ngai Kolok gets around 121 mm of rain over 18.2 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 61% and peaks near 70% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
162
262
362
462
561
661
760
860
959
1059
1158
1257
1357
1456
1556
1656
1756
1857
1957
2058
2159
2260
2361
2462
2563
2665
2766
2867
2969
3070

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
16535
26436
36337
46238
56139
66040
76040
85941
95941
105842
115842
125743
135644
145644
155545
165545
175446
185347
195248
205149
214951
224852
234654
244456
254357
264159
273961
283862
293664
303565

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

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

Days grow by about 12 minutes over April. Sunrise moves from 6:15 AM to 6:03 AM, and sunset from 6:18 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:156:18
212.16:156:18
312.16:146:18
412.16:146:18
512.16:136:18
612.16:136:18
712.16:126:17
812.16:126:17
912.16:116:17
1012.16:116:17
1112.16:116:17
1212.16:106:17
1312.16:106:17
1412.16:096:17
1512.16:096:16
1612.16:086:16
1712.16:086:16
1812.16:086:16
1912.16:076:16
2012.26:076:16
2112.26:066:16
2212.26:066:16
2312.26:066:16
2412.26:056:16
2512.26:056:16
2612.26:056:16
2712.26:046:16
2812.26:046:16
2912.26:046:16
3012.26:036:16

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.14 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.67 kWh/m² to a high of 6.14 kWh/m² in April across the year — April's 6.14 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.0Intense
286.0Intense
296.0Bright
306.0Bright
Planning a trip in April

Hazard calendar for Su-ngai Kolok

In seasonPeak

In April, Su-ngai Kolok sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Su-ngai Kolok sits in the Pacific typhoon belt; the season peaks July–October.

Su-ngai Kolok's rainy season runs July–December, when most of the year's rain falls.

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

Is April a good time to visit Su-ngai Kolok?

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

2.8
Sightseeing
6th-best month of the year
4.9
Beach & pool
4th-best month of the year

April is a weaker month for outdoor sightseeing in Su-ngai Kolok.

What to pack for Su-ngai Kolok in April

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

In April, Su-ngai Kolok sees daytime highs around 33°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Su-ngai Kolok 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 42 km away) is warmest in May at about 30°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
Jan28Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Su-ngai Kolok in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Su-ngai Kolok peaks around February 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 14Nov 22UV 11
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep14Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Su-ngai Kolok 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 Su-ngai Kolok is worst in October — around 31 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 930 µg/m³Feb 1223 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb23Moderate
Mar25Moderate
Apr28Moderate
May28Moderate
Jun28Moderate
Jul30Moderate
Aug28Moderate
Sep30Moderate
Oct31Moderate
Nov26Moderate
Dec24Moderate
Location & terrain

Where is Su-ngai Kolok?

Su-ngai Kolok sits at 6.0°N, 102.0°E, 19 m above sea level, in Thailand. The nearest listed city is Pasir Mas, 19 km away.

Topography around Su-ngai Kolok

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Su-ngai Kolok.

Within 3 km, the terrain around Su-ngai Kolok has only modest variations in elevation — a maximum elevation change of 26 m around an average of 15 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 700 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.

The land around Su-ngai Kolok is covered by trees (66%) and artificial surfaces (21%) within 3 km, trees (88%) within 16 km, and trees (69%) and water (25%) within 80 km.

3 km
26 m
16 km
700 m
80 km
1,859 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Pasir Mas 19 km · Tak Bai 27 km · Wakaf Baharu 28 km · Kampong Pangkal Kalong 30 km · Kampong Kadok 32 km · Kota Bharu 32 km · Tanah Merah 33 km · Peringat 35 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

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 Su-ngai Kolok (6.0298°, 101.9659°, elevation 19 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).