Tatau weather in December

In December, Tatau sees average daytime highs of 30°C and overnight lows near 24°C, with 365 mm of rain across 29 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 1st-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 0% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 48 min at the start of December to 11 h 48 min by month's end. Set against the rest of the year, December is Tatau's 12th-clearest and 3rd-windiest month. For the whole year in context, see Tatau's year-round climate.

Daytime high
30°
10th warmest
Overnight low
24°
3rd coldest
Rainfall
365 mm
29 wet days
Daylight
11 h 48 min
6:30 AM – 6:20 PM
Cloud cover
92%
12th clearest
Wind
6 km/h
3rd windiest
Solar energy
4.31 kWh/m²
Travel score
2.7
out of 10

Tatau 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 30°C through the month.

A typical December day in Tatau reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
302924
312924

How December really feels in Tatau

Once humidity and wind are folded in, December 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
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.

Tatau weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°31627.311.93.0
Feb29° / 24°22423.211.93.2
Mar30° / 24°19924.9123.1
Apr31° / 25°22926.712.12.7
May31° / 25°22124.812.12.8
Jun31° / 25°20121.812.23.1
Jul31° / 24°18921.612.23.2
Aug31° / 24°21423.112.13.1
Sep31° / 24°23524.8122.9
Oct30° / 24°28828.311.92.7
Nov30° / 24°30528.711.92.6
Dec30° / 24°3652911.82.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 3% of December, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5595
6595
7595
8595
9595
10595
11496
12496
13496
14496
15496
16397
17397
18397
19397
20298
21298
22298
23298
24199
25199
26199
27298
28298
29298
30298
31298

Chance of precipitation in December

Any precipitation

Tatau gets around 365 mm of rain over 29 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 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
494
593
693
793
893
992
1092
1192
1292
1392
1492
1593
1693
1793
1893
1994
2094
2194
2294
2394
2494
2594
2694
2794
2894
2994
3094
3193

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13268
23268
33367
43367
53466
63466
73466
83565
93565
103565
113565
123565
133565
143565
153664
163664
173664
183664
193664
203763
213763
223862
233862
243961
254060
264159
274159
284258
294258
304357
314456

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 48 min at the start of December to 11 h 48 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 6:23 AM to 6:37 AM, and sunset from 6:14 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:236:14
211.86:236:14
311.86:246:14
411.86:246:15
511.86:256:15
611.86:256:16
711.86:266:16
811.86:266:16
911.86:266:17
1011.86:276:17
1111.86:276:18
1211.86:286:18
1311.86:286:18
1411.86:296:19
1511.86:296:19
1611.86:306:20
1711.86:306:20
1811.86:316:21
1911.86:316:21
2011.86:326:22
2111.86:326:22
2211.86:336:23
2311.86:336:23
2411.86:346:24
2511.86:346:24
2611.86:346:24
2711.86:356:25
2811.86:356:25
2911.86:366:26
3011.86:366:26
3111.86:376:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.31 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.31 kWh/m² to a high of 5.32 kWh/m² in August across the year — December's 4.31 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in December

Hazard calendar for Tatau

In seasonPeak

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

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

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

Is December a good time to visit Tatau?

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

2.7
Sightseeing
9th-best month of the year
3.7
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Tatau.

What to pack for Tatau in December

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

In December, Tatau sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Tatau in December

The nearest coast averages about 29°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 27 km away) is warmest in May at about 30°C and coldest in February 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
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Tatau in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Tatau peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 15Jul 14UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov11Extreme
Dec12Extreme

Air quality in Tatau 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 Tatau is worst in September — around 18 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1418 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar11Good
Apr11Good
May10Good
Jun10Good
Jul12Good
Aug14Moderate
Sep18Moderate
Oct11Good
Nov7Good
Dec7Good
Location & terrain

Where is Tatau?

Tatau sits at 2.9°N, 112.8°E, 22 m above sea level, in Malaysia. The nearest listed city is Bintulu, 38 km away.

Topography around Tatau

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

Within 3 km, the terrain around Tatau has only modest variations in elevation — a maximum elevation change of 79 m around an average of 24 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 612 m; within 80 km, large variations in elevation — a maximum elevation change of 1,068 m.

The land around Tatau is covered by trees (85%) within 3 km, trees (96%) within 16 km, and trees (77%) and water (22%) within 80 km.

3 km
79 m
16 km
612 m
80 km
1,068 m
treesgrasslandartificial surfacesbare terrainwater
December weather nearby: Bintulu 38 km · Sebauh 53 km · Selangau 71 km · Mukah 84 km · Dalat 88 km · Kapit 99 km · Belaga 106 km · Kanowit 117 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 Tatau (2.8833°, 112.85°, elevation 22 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).