Tanah Merah weather in December

In December, Tanah Merah sees average daytime highs of 29°C and overnight lows near 23°C, with 409 mm of rain across 25.7 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 Tanah Merah's 11th-clearest and 4th-windiest month. For the whole year in context, see Tanah Merah's year-round climate.

Daytime high
29°
12th warmest
Overnight low
23°
4th coldest
Rainfall
409 mm
25.7 wet days
Daylight
11 h 42 min
7:18 AM – 6:58 PM
Cloud cover
88%
11th clearest
Wind
4 km/h
4th windiest
Solar energy
3.72 kWh/m²
Travel score
3.5
out of 10

Tanah Merah is human settlement in Malaysia.

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 Tanah Merah 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
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823
312823

How December really feels in Tanah Merah

Once humidity and wind are folded in, December averages 11 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
11
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.

Tanah Merah 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°19519.711.74.1
Feb30° / 22°8713.711.84.3
Mar31° / 23°12715.4123.7
Apr33° / 24°14019.112.12.8
May33° / 24°1992512.32.3
Jun32° / 24°18623.912.32.5
Jul32° / 24°18623.612.32.6
Aug32° / 24°21624.712.22.5
Sep32° / 23°25526.6122.4
Oct31° / 23°32728.511.92.5
Nov29° / 23°38727.611.72.9
Dec29° / 23°40925.711.73.5

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 7% of December, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2991
31090
41090
51090
61090
71090
81090
9991
10991
11991
12991
13991
14892
15892
16892
17892
18793
19793
20793
21793
22892
23892
24892
25892
26991
271090
281189
291189
301288
311486

Chance of precipitation in December

Any precipitation

Tanah Merah gets around 409 mm of rain over 25.7 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 83% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
384
484
583
683
783
883
983
1083
1183
1283
1384
1484
1584
1684
1785
1885
1985
2085
2184
2284
2384
2483
2582
2681
2780
2880
2979
3078
3177

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
118217
218316
318316
418415
518415
618514
718613
818613
918712
1018712
1118811
1218811
1318910
1418910
151909
162899
172908
182908
192908
202917
212917
223907
233916
243916
253916
264906
274915
285905
295896
306886
316886

Wind in December

Winds average 4 km/h in December.

Across December, 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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 7:11 AM to 7:25 AM, and sunset from 6:52 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:116:52
211.77:116:52
311.77:116:52
411.77:126:53
511.77:126:53
611.77:136:53
711.77:136:54
811.77:146:54
911.77:146:55
1011.77:156:55
1111.77:156:55
1211.77:166:56
1311.77:166:56
1411.77:176:57
1511.77:176:57
1611.77:186:58
1711.77:186:58
1811.77:196:58
1911.77:196:59
2011.77:206:59
2111.77:207:00
2211.77:207:00
2311.77:217:01
2411.77:217:01
2511.77:227:02
2611.77:227:02
2711.77:237:03
2811.77:237:03
2911.77:247:04
3011.77:247:04
3111.77:257:05

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.72 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.72 kWh/m² to a high of 6.16 kWh/m² in April across the year — December's 3.72 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in December

Hazard calendar for Tanah Merah

In seasonPeak

In December, Tanah Merah sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Tanah Merah sits in the Pacific typhoon belt; the season peaks July–October.

Tanah Merah's rainy season runs May–January, 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 Tanah Merah?

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

3.5
Sightseeing
4th-best month of the year
4.3
Beach & pool
6th-best month of the year

December is a weaker month for outdoor sightseeing in Tanah Merah.

What to pack for Tanah Merah in December

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

In December, Tanah Merah 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 Tanah Merah 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 44 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 Tanah Merah 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 Tanah Merah 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 Tanah Merah 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 Tanah Merah 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 Tanah Merah?

Tanah Merah sits at 5.8°N, 102.2°E, 19 m above sea level, in Malaysia. The nearest listed city is Kampong Pangkal Kalong, 15 km away.

Topography around Tanah Merah

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tanah Merah.

Within 3 km, the terrain around Tanah Merah has only modest variations in elevation — a maximum elevation change of 90 m around an average of 24 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 708 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.

The land around Tanah Merah is covered by trees (65%) within 3 km, trees (85%) within 16 km, and trees (71%) and water (23%) within 80 km.

3 km
90 m
16 km
708 m
80 km
1,859 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Kampong Pangkal Kalong 15 km · Kampong Kadok 25 km · Pasir Mas 28 km · Pasir Puteh 28 km · Peringat 30 km · Kuala Krai 30 km · Su-ngai Kolok 33 km · Wakaf Baharu 36 km

Malaysia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / G / M
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$13,125
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
22.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 581
Religion
Muslim 64%Buddhist 19%Christian 9%Hindu 6%

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 Tanah Merah (5.8°, 102.15°, 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).