Su-ngai Kolok weather in May

In May, Su-ngai Kolok sees average daytime highs of 33°C and overnight lows near 25°C, with 188 mm of rain across 25.3 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 7th-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 7% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 18 min by month's end. Set against the rest of the year, May is Su-ngai Kolok's 5th-clearest and 7th-windiest month. For the whole year in context, see Su-ngai Kolok's year-round climate.

Daytime high
33°
1st warmest
Overnight low
25°
12th coldest
Rainfall
188 mm
25.3 wet days
Daylight
12 h 18 min
6:00 AM – 6:17 PM
Cloud cover
80%
5th clearest
Wind
4 km/h
7th windiest
Solar energy
5.71 kWh/m²
Travel score
2.2
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 May

Average highAverage lowShaded bands: 10–90% of days

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

A typical May day in Su-ngai Kolok reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°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, May runs on par with April and on par with June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183325
193325
203325
213325
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How May really feels in Su-ngai Kolok

Once humidity and wind are folded in, May 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
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Su-ngai Kolok weather by month

How May compares with the rest of the year at a glance. May 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° / 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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22179
32080
42080
52080
62080
72080
81981
91981
101981
111882
121882
131882
141882
151783
161783
171783
181783
191684
201585
211585
221585
231585
241585
251585
261585
271585
281585
291585
301585
311684

Chance of precipitation in May

Any precipitation

Su-ngai Kolok gets around 188 mm of rain over 25.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 82% and peaks near 86% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
171
273
374
475
575
676
777
877
978
1079
1179
1280
1381
1482
1583
1683
1784
1885
1985
2085
2186
2286
2386
2486
2586
2686
2786
2886
2986
3086
3186

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13367
23169
33070
42872
52773
62575
72476
82377
92278
102179
112080
121981
131882
141783
151684
161585
171486
181486
191486
201387
211387
221387
231486
241486
251486
261486
271486
281585
291585
301585
311684

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 min at the start of May to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over May. Sunrise moves from 6:03 AM to 6:00 AM, and sunset from 6:16 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:036:16
212.26:036:16
312.26:036:16
412.26:026:16
512.26:026:16
612.26:026:16
712.26:026:16
812.26:016:16
912.26:016:16
1012.26:016:16
1112.36:016:16
1212.36:016:16
1312.36:016:16
1412.36:006:16
1512.36:006:16
1612.36:006:17
1712.36:006:17
1812.36:006:17
1912.36:006:17
2012.36:006:17
2112.36:006:17
2212.36:006:17
2312.36:006:18
2412.36:006:18
2512.36:006:18
2612.36:006:18
2712.36:006:18
2812.36:006:19
2912.36:006:19
3012.36:006:19
3112.36:006:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.71 kWh/m².

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 — May's 5.71 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Su-ngai Kolok

In seasonPeak

In May, 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 May a good time to visit Su-ngai Kolok?

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

2.2
Sightseeing
12th-best month of the year
4.0
Beach & pool
9th-best month of the year

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

What to pack for Su-ngai Kolok in May

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

In May, Su-ngai Kolok sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Su-ngai Kolok in May

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

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 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 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
May 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).