Su-ngai Kolok weather in December

In December, Su-ngai Kolok sees average daytime highs of 29°C and overnight lows near 23°C, with 420 mm of rain across 25.9 wet days and about 11.7 hours of daylight. It is the 12th-warmest and 1st-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 2% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Su-ngai Kolok's 10th-clearest and 4th-windiest month. For the whole year in context, see Su-ngai Kolok's year-round climate.

Daytime high
29°
12th warmest
Overnight low
23°
4th coldest
Rainfall
420 mm
25.9 wet days
Daylight
11 h 42 min
6:19 AM – 5:58 PM
Cloud cover
87%
10th clearest
Wind
5 km/h
4th windiest
Solar energy
3.67 kWh/m²
Travel score
3.4
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 December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Su-ngai Kolok reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823
312923

How December really feels in Su-ngai Kolok

Once humidity and wind are folded in, December averages 16 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
16
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Su-ngai Kolok weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 1st-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41189
51189
61189
71189
81189
91189
101189
111090
121090
131090
141090
15991
16991
17991
181090
19991
20991
21991
22991
23991
24991
251090
261090
271189
281189
291288
301387
311486

Chance of precipitation in December

Any precipitation

Su-ngai Kolok gets around 420 mm of rain over 25.9 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 84% and peaks near 87% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
386
486
586
685
785
885
985
1085
1185
1285
1385
1484
1584
1684
1784
1884
1984
2083
2183
2283
2382
2482
2582
2681
2781
2880
2979
3079
3178

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
107624
207723
307723
407822
507921
608020
708020
808119
908119
1008218
1108317
1208317
1308416
1408416
1508515
1618415
1718514
1818514
1918613
2018613
2128612
2228612
2328612
2428711
2538611
2638710
2748610
2848610
2948610
3058510
3158510

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 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
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 42 min at the start of December to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:12 AM to 6:26 AM, and sunset from 5:52 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:125:52
211.76:125:52
311.76:135:53
411.76:135:53
511.76:135:53
611.76:145:54
711.76:145:54
811.76:155:55
911.76:155:55
1011.76:165:55
1111.76:165:56
1211.76:175:56
1311.76:175:57
1411.76:185:57
1511.76:185:57
1611.76:195:58
1711.76:195:58
1811.76:205:59
1911.76:205:59
2011.76:216:00
2111.76:216:00
2211.76:226:01
2311.76:226:01
2411.76:236:02
2511.76:236:02
2611.76:236:03
2711.76:246:03
2811.76:246:03
2911.76:256:04
3011.76:256:04
3111.76:266:05

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.67 kWh/m² — the year's lowest.

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 — December's 3.67 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.9Moderate
Planning a trip in December

Hazard calendar for Su-ngai Kolok

In seasonPeak

In December, Su-ngai Kolok sits inside its pacific typhoon and rainy season 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 December a good time to visit Su-ngai Kolok?

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

3.4
Sightseeing
4th-best month of the year
4.2
Beach & pool
5th-best month of the year

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

What to pack for Su-ngai Kolok in December

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

In December, Su-ngai Kolok sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

Sea temperature near Su-ngai Kolok in December

The nearest coast averages about 28°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (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 December

GoodModeratePoorUnhealthyVery unhealthy

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