Bahau weather in January

In January, Bahau sees average daytime highs of 30°C and overnight lows near 23°C, with 122 mm of rain across 17.5 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 9th-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 4% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Bahau's 8th-clearest and 1st-windiest month. For the whole year in context, see Bahau's year-round climate.

Daytime high
30°
11th warmest
Overnight low
23°
1st coldest
Rainfall
122 mm
17.5 wet days
Daylight
11 h 54 min
7:24 AM – 7:15 PM
Cloud cover
83%
8th clearest
Wind
9 km/h
1st windiest
Solar energy
4.52 kWh/m²
Travel score
3.8
out of 10

Bahau is subdistrict in Negeri Sembilan, 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 30°C through the month.

A typical January day in Bahau reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263123
273123
283123
293123
303123
313123

How January really feels in Bahau

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.

Bahau weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°12217.511.93.8
Feb32° / 23°7712.711.93.5
Mar33° / 24°14220.2122.7
Apr33° / 24°16224.712.12.3
May32° / 24°15524.712.12.4
Jun32° / 24°11421.912.22.7
Jul32° / 24°11721.512.13.0
Aug32° / 24°13323.612.12.8
Sep32° / 23°13724.2122.6
Oct32° / 24°17825.511.92.5
Nov31° / 23°24027.811.92.5
Dec30° / 23°21223.811.83.2

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 10% of January, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21288
31288
41288
51387
61486
71486
81486
91486
101585
111585
121585
131585
141486
151486
161387
171387
181387
191387
201387
211387
221387
231387
241486
251486
261486
271486
281486
291585
301585
311585

Chance of precipitation in January

Any precipitation

Bahau gets around 122 mm of rain over 17.5 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 56% and peaks near 65% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
165
264
363
463
562
661
760
859
958
1058
1157
1256
1356
1455
1555
1654
1754
1854
1953
2053
2153
2253
2353
2452
2552
2652
2751
2850
2949
3049
3148

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
16868
26868
36868
47867
57867
68857
78857
89847
99838
1010828
1111818
1212817
1312817
1413807
1514797
1614806
1715796
1816795
1916795
2017785
2117794
2217794
2318784
2418793
2518793
2618793
2719783
2819783
2919783
3019783
3119783

Wind in January

Winds average 9 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 48 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 6 minutes over January. Sunrise moves from 7:18 AM to 7:27 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)
111.87:187:09
211.87:197:09
311.87:197:10
411.87:207:10
511.87:207:11
611.87:207:11
711.87:217:12
811.87:217:12
911.87:227:12
1011.87:227:13
1111.87:227:13
1211.87:237:14
1311.97:237:14
1411.97:237:14
1511.97:247:15
1611.97:247:15
1711.97:247:16
1811.97:257:16
1911.97:257:16
2011.97:257:17
2111.97:257:17
2211.97:267:17
2311.97:267:18
2411.97:267:18
2511.97:267:18
2611.97:277:19
2711.97:277:19
2811.97:277:19
2911.97:277:20
3011.97:277:20
3111.97:277:20

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.52 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 5.35 kWh/m² in March across the year — January's 4.52 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.4Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.8Bright
314.8Bright
Planning a trip in January

Is January a good time to visit Bahau?

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

3.8
Sightseeing
1st-best month of the year
5.3
Beach & pool
2nd-best month of the year

January is a weaker month for outdoor sightseeing in Bahau.

What to pack for Bahau in January

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

In January, Bahau sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Bahau 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 57 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 Bahau 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 Bahau peaks around February 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 15Jul 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul10Very high
Aug13Extreme
Sep14Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Bahau 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 Bahau is worst in September — around 36 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (February, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1635 µg/m³Feb 1015 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar20Moderate
Apr25Moderate
May26Moderate
Jun27Moderate
Jul30Moderate
Aug31Moderate
Sep36Poor
Oct31Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is Bahau?

Bahau sits at 2.8°N, 102.4°E, 63 m above sea level, in Malaysia. The nearest listed city is Rompin, 16 km away.

Topography around Bahau

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

Within 3 km, the terrain around Bahau has significant variations in elevation — a maximum elevation change of 297 m around an average of 85 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 461 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,457 m.

The land around Bahau is covered by trees (71%) within 3 km, trees (89%) within 16 km, and trees (88%) within 80 km.

3 km
297 m
16 km
461 m
80 km
1,457 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Rompin 16 km · Kuala Pilah 19 km · Gemas 34 km · Batu Anam 42 km · Tampin 42 km · Rembau 42 km · Kampung Machap Baru 48 km · Taman Senawang Indah 48 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 Bahau (2.8079°, 102.4049°, elevation 63 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).