Miri weather in December

In December, Miri sees average daytime highs of 28°C and overnight lows near 25°C, with 293 mm of rain across 28 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°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 48 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Miri's 12th-clearest and 3rd-windiest month. For the whole year in context, see Miri's year-round climate.

Daytime high
28°
9th warmest
Overnight low
25°
3rd coldest
Rainfall
293 mm
28 wet days
Daylight
11 h 42 min
6:28 AM – 6:13 PM
Cloud cover
88%
12th clearest
Wind
12 km/h
3rd windiest
Solar energy
4.68 kWh/m²
Travel score
3.6
out of 10

Miri is city in Sarawak, Malaysia.

Density
301/km²
people per km²
Founded
1910

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 28°C through the month.

A typical December day in Miri reaches about 28°C in the afternoon and slips back to 25°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312725

How December really feels in Miri

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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Miri weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°20022.611.84.3
Feb27° / 25°1111711.94.9
Mar28° / 26°8316.6125.2
Apr28° / 26°12420.612.14.2
May29° / 26°15921.512.23.9
Jun29° / 26°20119.412.24.1
Jul29° / 26°18719.312.24.3
Aug29° / 26°18320.412.14.1
Sep28° / 26°19522.7123.8
Oct28° / 26°28027.111.93.6
Nov28° / 26°27628.111.83.4
Dec28° / 25°2932811.73.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6892
7892
8892
9991
10991
11991
12991
13991
14892
15892
16892
17793
18793
19793
20793
21793
22793
23793
24793
25793
26793
27793
28793
29892
30991
311090

Chance of precipitation in December

Any precipitation

Miri gets around 293 mm of rain over 28 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 89% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
391
491
590
690
789
889
988
1088
1188
1288
1388
1488
1588
1689
1789
1890
1990
2091
2191
2291
2391
2491
2590
2690
2789
2888
2987
3086
3185

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16634
26733
36733
46733
56733
66832
76832
86832
96832
106832
116832
126832
136832
146832
156832
166931
176931
186931
196931
206931
217030
227030
237030
247030
257030
267129
277129
287129
297129
307129
317129

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 48 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 shrink by about 6 minutes over December. Sunrise moves from 6:21 AM to 6:35 AM, and sunset from 6:07 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:216:07
211.86:216:07
311.86:226:07
411.86:226:08
511.86:236:08
611.86:236:08
711.86:246:09
811.86:246:09
911.86:246:10
1011.86:256:10
1111.86:256:10
1211.76:266:11
1311.76:266:11
1411.76:276:12
1511.76:276:12
1611.76:286:13
1711.76:286:13
1811.76:296:13
1911.76:296:14
2011.76:306:14
2111.76:306:15
2211.76:316:15
2311.76:316:16
2411.76:326:16
2511.76:326:17
2611.76:336:17
2711.76:336:18
2811.76:336:18
2911.76:346:19
3011.76:346:19
3111.76:356:20

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.68 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 5.96 kWh/m² in April across the year — December's 4.68 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Miri

In seasonPeak

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

Miri 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 Miri?

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

3.6
Sightseeing
10th-best month of the year
3.9
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Miri.

What to pack for Miri in December

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

In December, Miri sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Miri 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 13 km away) is warmest in June at about 30°C and coldest in February near 27°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
Feb27Warm
Mar28Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Miri 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 Miri peaks around February 17 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 17UV 14Nov 22UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Miri 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 Miri is worst in May — around 68 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (October, 13 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1764 µg/m³Oct 1815 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb48Poor
Mar47Poor
Apr34Moderate
May68Unhealthy
Jun35Moderate
Jul23Moderate
Aug23Moderate
Sep28Moderate
Oct13Moderate
Nov24Moderate
Dec24Moderate
Location & terrain

Where is Miri?

Miri sits at 4.4°N, 114.0°E, 8 m above sea level, in Malaysia. The nearest listed city is Kuala Belait, 34 km away.

Topography around Miri

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

Within 3 km, the terrain around Miri has only modest variations in elevation — a maximum elevation change of 87 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 112 m; within 80 km, significant variations in elevation — a maximum elevation change of 531 m.

The land around Miri is covered by trees (33%), water (31%) and artificial surfaces (25%) within 3 km, water (44%) and trees (40%) within 16 km, and trees (57%) and water (40%) within 80 km.

3 km
87 m
16 km
112 m
80 km
531 m
treesgrasslandartificial surfacesbare terrainwater
December weather nearby: Kuala Belait 34 km · Marudi 43 km · Seria 44 km · Beluru 48 km · Liang 64 km · Niah 67 km · Tutong 86 km · Sengkurong 108 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 Miri (4.3993°, 113.9916°, elevation 8 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).