Kulai weather in January

In January, Kulai sees average daytime highs of 30°C and overnight lows near 23°C, with 204 mm of rain across 21.9 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 7th-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 3% 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 Kulai's 9th-clearest and 1st-windiest month. For the whole year in context, see Kulai's year-round climate.

Daytime high
30°
11th warmest
Overnight low
23°
2nd coldest
Rainfall
204 mm
21.9 wet days
Daylight
11 h 54 min
7:17 AM – 7:12 PM
Cloud cover
85%
9th clearest
Wind
10 km/h
1st windiest
Solar energy
4.51 kWh/m²
Travel score
3.6
out of 10

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

Founded
1890

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 30°C through the month.

A typical January day in Kulai reaches about 30°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 28°C and 31°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How January really feels in Kulai

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.

Kulai weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°20421.911.93.6
Feb31° / 23°13216.611.93.6
Mar31° / 24°21523.5122.9
Apr31° / 24°24227.2122.4
May31° / 24°21528.112.12.5
Jun31° / 24°17324.912.12.9
Jul30° / 24°16924.512.13.1
Aug30° / 24°18625.812.13.0
Sep30° / 24°19625.3122.9
Oct31° / 24°26627.4122.7
Nov30° / 24°32028.211.92.6
Dec30° / 23°30326.611.93.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% 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
2892
3991
41090
51090
61189
71288
81288
91387
101387
111387
121387
131387
141387
151387
161486
171486
181486
191387
201387
211387
221288
231288
241288
251189
261189
271189
281189
291189
301189
311288

Chance of precipitation in January

Any precipitation

Kulai gets around 204 mm of rain over 21.9 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 70% 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
477
576
676
775
875
974
1073
1172
1272
1371
1470
1570
1669
1769
1868
1968
2067
2167
2267
2366
2466
2566
2666
2766
2865
2965
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 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
127721
227721
327820
427820
527820
627919
737819
837819
937819
1037918
1137918
1247818
1347818
1457718
1557718
1657718
1767618
1867618
1967618
2077518
2177518
2277518
2377419
2477419
2577419
2677419
2777419
2877419
2977419
3077419
3167618

Wind in January

Winds average 10 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 7:12 AM to 7:21 AM, and sunset from 7:06 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.97:127:06
211.97:127:06
311.97:127:07
411.97:137:07
511.97:137:08
611.97:147:08
711.97:147:09
811.97:157:09
911.97:157:09
1011.97:157:10
1111.97:167:10
1211.97:167:11
1311.97:167:11
1411.97:177:12
1511.97:177:12
1611.97:177:12
1711.97:187:13
1811.97:187:13
1911.97:187:13
2011.97:197:14
2111.97:197:14
2211.97:197:14
2311.97:197:15
2411.97:207:15
2511.97:207:15
2611.97:207:16
2711.97:207:16
2811.97:217:16
2911.97:217:16
3011.97:217:17
3111.97:217:17

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.51 kWh/m².

For context, solar energy here swings from a low near 3.97 kWh/m² to a high of 5.21 kWh/m² in March across the year — January's 4.51 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.2Bright
34.2Bright
44.2Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.4Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in January

Is January a good time to visit Kulai?

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

3.6
Sightseeing
1st-best month of the year
4.8
Beach & pool
2nd-best month of the year

January is a weaker month for outdoor sightseeing in Kulai.

What to pack for Kulai in January

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

In January, Kulai sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Kulai 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 40 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
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Kulai 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 Kulai peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 18UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun10Very high
Jul10Very high
Aug12Extreme
Sep11Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Kulai 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 Kulai is worst in September — around 46 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (February, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1945 µg/m³Feb 821 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb21Moderate
Mar26Moderate
Apr32Moderate
May35Moderate
Jun33Moderate
Jul37Poor
Aug40Poor
Sep46Poor
Oct43Poor
Nov29Moderate
Dec22Moderate
Location & terrain

Where is Kulai?

Kulai sits at 1.7°N, 103.6°E, 33 m above sea level, in Malaysia. The nearest listed city is Bandar Putra Kulai, 3.0 km away.

Topography around Kulai

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

Within 3 km, the terrain around Kulai has only modest variations in elevation — a maximum elevation change of 103 m around an average of 43 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 644 m; within 80 km, large variations in elevation — a maximum elevation change of 1,020 m.

The land around Kulai is covered by trees (48%) and artificial surfaces (41%) within 3 km, trees (79%) within 16 km, and trees (54%) and water (37%) within 80 km.

3 km
103 m
16 km
644 m
80 km
1,020 m
treesgrasslandartificial surfacesbare terrainwatermangroves
January weather nearby: Bandar Putra Kulai 3.0 km · Taman Senai 8.0 km · Kampung Sedenak 10 km · Taman Universiti 14 km · Skudai 15 km · Mukim Pulai 15 km · Kempas 16 km · Setia Tropika 18 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 Kulai (1.6561°, 103.6032°, elevation 33 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).