Masai weather in January

In January, Masai sees average daytime highs of 29°C and overnight lows near 25°C, with 220 mm of rain across 21.2 wet days and about 11.9 hours of daylight. It is the 12th-warmest and 6th-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 4% 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 Masai's 10th-clearest and 1st-windiest month. For the whole year in context, see Masai's year-round climate.

Daytime high
29°
12th warmest
Overnight low
25°
1st coldest
Rainfall
220 mm
21.2 wet days
Daylight
11 h 54 min
7:16 AM – 7:11 PM
Cloud cover
85%
10th clearest
Wind
14 km/h
1st windiest
Solar energy
4.65 kWh/m²
Travel score
3.9
out of 10

Masai is suburb in Johor Bahru, Johor, Malaysia.

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 Masai 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 27°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 Masai

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.

Masai weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°22021.211.93.9
Feb30° / 25°12216.2124.0
Mar30° / 25°19823123.3
Apr31° / 25°23327.3122.7
May31° / 26°22028.312.12.7
Jun30° / 26°18324.612.13.1
Jul30° / 25°16823.712.13.4
Aug30° / 25°17024.5123.3
Sep30° / 25°17723.7123.3
Oct30° / 25°24126.7123.0
Nov30° / 25°33828.311.92.7
Dec29° / 25°32727.411.93.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2991
31090
41090
51090
61189
71189
81387
91387
101387
111387
121387
131387
141387
151387
161387
171288
181288
191387
201387
211387
221387
231387
241387
251387
261387
271387
281387
291387
301387
311486

Chance of precipitation in January

Any precipitation

Masai gets around 220 mm of rain over 21.2 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 69% and peaks near 78% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
178
278
377
476
575
674
773
872
972
1071
1170
1269
1369
1468
1567
1667
1766
1865
1965
2065
2164
2264
2365
2465
2565
2665
2765
2865
2964
3064
3163

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
116336
216435
316534
416534
516633
616732
716732
816831
916930
1016930
1116930
1217029
1317029
1426929
1526929
1626929
1726929
1826929
1926929
2036829
2136829
2236829
2336730
2436730
2536730
2636730
2736730
2836730
2936730
3026830
3126929

Wind in January

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

Across January, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light 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
2915light breeze
3015light breeze
3115light 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 7:10 AM to 7:20 AM, and sunset from 7:05 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.97:107:05
211.97:117:06
311.97:117:06
411.97:117:06
511.97:127:07
611.97:127:07
711.97:137:08
811.97:137:08
911.97:147:09
1011.97:147:09
1111.97:147:09
1211.97:157:10
1311.97:157:10
1411.97:157:11
1511.97:167:11
1611.97:167:11
1711.97:167:12
1811.97:177:12
1911.97:177:13
2011.97:177:13
2111.97:187:13
2211.97:187:14
2311.97:187:14
2411.97:187:14
2511.97:197:14
2611.97:197:15
2711.97:197:15
2811.97:197:15
2911.97:197:15
3011.97:207:16
3111.97:207:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.65 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 5.4 kWh/m² in March across the year — January's 4.65 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.4Bright
64.4Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.6Bright
124.6Bright
134.6Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.9Bright
314.9Bright
Planning a trip in January

Is January a good time to visit Masai?

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

3.9
Sightseeing
2nd-best month of the year
5.0
Beach & pool
2nd-best month of the year

January is a weaker month for outdoor sightseeing in Masai.

What to pack for Masai in January

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

In January, Masai sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Masai 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 30 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
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Masai 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 Masai peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 19UV 15Jul 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun10Very high
Jul10Very high
Aug12Extreme
Sep11Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Masai 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 Masai is worst in October — around 33 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (January, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 933 µg/m³Jan 2214 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar15Moderate
Apr21Moderate
May25Moderate
Jun25Moderate
Jul25Moderate
Aug27Moderate
Sep33Moderate
Oct33Moderate
Nov22Moderate
Dec16Moderate
Location & terrain

Where is Masai?

Masai sits at 1.5°N, 103.9°E, 9 m above sea level, in Malaysia. The nearest listed city is Bandar Seri Alam, 2.0 km away.

Topography around Masai

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

Within 3 km, the terrain around Masai has only modest variations in elevation — a maximum elevation change of 90 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, large variations in elevation — a maximum elevation change of 1,020 m.

The land around Masai is covered by artificial surfaces (46%) and trees (32%) within 3 km, trees (40%) and artificial surfaces (29%) within 16 km, and water (49%) and trees (40%) within 80 km.

3 km
90 m
16 km
205 m
80 km
1,020 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
January weather nearby: Bandar Seri Alam 2.0 km · Kampung Pasir Gudang Baru 2.0 km · Pasir Gudang 4.0 km · Taman Scientex 5.0 km · Taman Permas Jaya 7.0 km · Sembawang Estate 7.0 km · Pelentong 7.0 km · Sungai Simpang 8.0 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 Masai (1.4907°, 103.8788°, elevation 9 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. 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).