Muar weather in January

In January, Muar sees average daytime highs of 29°C and overnight lows near 25°C, with 121 mm of rain across 16.3 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 11th-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 5% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Muar's 9th-clearest and 1st-windiest month. For the whole year in context, see Muar's year-round climate.

Daytime high
29°
9th warmest
Overnight low
25°
1st coldest
Rainfall
121 mm
16.3 wet days
Daylight
11 h 54 min
7:22 AM – 7:16 PM
Cloud cover
82%
9th clearest
Wind
14 km/h
1st windiest
Solar energy
5.06 kWh/m²
Travel score
4.4
out of 10

Muar is town in Johor and district capital of Muar District.

Founded
1885

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Muar reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How January really feels in Muar

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Muar weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°12116.311.94.4
Feb30° / 25°7412.611.94.5
Mar30° / 25°15022123.6
Apr30° / 26°20326123.1
May30° / 26°21326.612.13.1
Jun30° / 26°17522.712.13.5
Jul29° / 26°17522.712.13.7
Aug29° / 26°18524.212.13.6
Sep29° / 26°18023.8123.5
Oct29° / 26°22026.2123.3
Nov29° / 25°2752811.93.0
Dec29° / 25°23924.511.93.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21486
31486
41585
51585
61684
71783
81783
91783
101882
111882
121882
131882
141882
151981
161882
171882
181882
191882
201882
211783
221783
231783
241783
251684
261684
271684
281684
291783
301783
311783

Chance of precipitation in January

Any precipitation

Muar gets around 121 mm of rain over 16.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 53% and peaks near 62% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
162
260
359
458
557
656
755
854
954
1053
1153
1253
1353
1453
1552
1652
1752
1852
1952
2052
2152
2252
2352
2451
2551
2650
2750
2849
2948
3047
3145

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 (%)
138512
238512
338512
438512
538512
638512
738413
838413
948313
1048313
1148313
1258213
1358213
1458312
1568212
1668212
1778211
1878211
1978310
2088210
2188210
2288210
239829
249829
259829
268848
278848
288848
297867
307867
317867

Wind in January

Winds average 14 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 54 min at the start of January to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over January. Sunrise moves from 7:16 AM to 7:26 AM, and sunset from 7:09 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.97:167:09
211.97:177:10
311.97:177:10
411.97:187:11
511.97:187:11
611.97:197:12
711.97:197:12
811.97:197:13
911.97:207:13
1011.97:207:13
1111.97:207:14
1211.97:217:14
1311.97:217:15
1411.97:227:15
1511.97:227:15
1611.97:227:16
1711.97:237:16
1811.97:237:17
1911.97:237:17
2011.97:237:17
2111.97:247:18
2211.97:247:18
2311.97:247:18
2411.97:247:19
2511.97:257:19
2611.97:257:19
2711.97:257:19
2811.97:257:20
2911.97:257:20
3011.97:267:20
3111.97:267:20

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.06 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 5.8 kWh/m² in March across the year — January's 5.06 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Muar

In seasonPeak

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

Muar 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 January a good time to visit Muar?

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

4.4
Sightseeing
2nd-best month of the year
5.7
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Muar for sightseeing.

What to pack for Muar in January

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

In January, Muar sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Muar in January

The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 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
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Muar in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Muar peaks around February 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 14Jul 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Muar in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Muar is worst in September — around 39 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (February, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1638 µg/m³Feb 816 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar22Moderate
Apr28Moderate
May28Moderate
Jun28Moderate
Jul30Moderate
Aug34Moderate
Sep39Poor
Oct34Moderate
Nov23Moderate
Dec19Moderate
Location & terrain

Where is Muar?

Muar sits at 2.0°N, 102.6°E, 6 m above sea level, in Malaysia. The nearest listed city is Bakri, 9.0 km away.

Topography around Muar

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

Within 3 km, the terrain around Muar has only modest variations in elevation — a maximum elevation change of 20 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 243 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,226 m.

The land around Muar is covered by artificial surfaces (46%) and trees (21%) within 3 km, trees (45%) and water (42%) within 16 km, and trees (52%) and water (43%) within 80 km.

3 km
20 m
16 km
243 m
80 km
1,226 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
January weather nearby: Bakri 9.0 km · Merlimau 20 km · Bukit Gambir 21 km · Gerisek 24 km · Tangkak 25 km · Pagoh 25 km · Kampung Ayer Molek 33 km · Parit Sulung 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 Muar (2.0442°, 102.5689°, elevation 6 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).