Bagan Serai weather in January

In January, Bagan Serai sees average daytime highs of 29°C and overnight lows near 25°C, with 178 mm of rain across 23.6 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 8th-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 14% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of January to 11 h 48 min by month's end. Set against the rest of the year, January is Bagan Serai's 3rd-clearest and 12th-windiest month. For the whole year in context, see Bagan Serai's year-round climate.

Daytime high
29°
9th warmest
Overnight low
25°
2nd coldest
Rainfall
178 mm
23.6 wet days
Daylight
11 h 42 min
7:35 AM – 7:19 PM
Cloud cover
73%
3rd clearest
Wind
6 km/h
12th windiest
Solar energy
5 kWh/m²
Travel score
3.8
out of 10

Bagan Serai is human settlement in 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 Bagan Serai 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°23°25°28°30°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 Bagan Serai

Once humidity and wind are folded in, January averages 19 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
19
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.

Bagan Serai weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°17823.611.73.8
Feb29° / 25°14320.611.83.8
Mar29° / 25°21225.3123.4
Apr29° / 26°24728.412.12.9
May30° / 26°22625.812.23.1
Jun30° / 26°13618.912.33.8
Jul29° / 26°13919.412.33.9
Aug29° / 26°17421.312.23.7
Sep29° / 25°22124.1123.5
Oct28° / 25°33128.611.93.1
Nov28° / 25°35628.211.83.1
Dec29° / 25°25425.211.73.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22674
32674
42872
52872
62971
73070
83070
93070
103070
113070
123070
133070
143070
153070
163070
172971
182971
192971
202971
212971
222971
232971
242971
252971
262971
273169
283169
293169
303169
313268

Chance of precipitation in January

Any precipitation

Bagan Serai gets around 178 mm of rain over 23.6 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 76% and peaks near 79% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
178
278
378
478
578
678
778
879
979
1078
1178
1278
1378
1478
1578
1677
1777
1877
1976
2076
2175
2275
2374
2474
2573
2673
2772
2872
2972
3072
3171

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
13907
23898
33898
43898
53898
63889
73889
83889
93889
103889
1138710
1238710
1328810
1428810
1528810
1628810
172899
182899
192899
202899
212899
222899
232899
242899
252899
262899
2728810
2828810
2928810
3028711
3128711

Wind in January

Winds average 6 km/h in January, the calmest month.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 42 min at the start of January to 11 h 48 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 7:30 AM to 7:38 AM, and sunset from 7:12 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:307:12
211.77:307:13
311.77:307:13
411.77:317:14
511.77:317:14
611.77:327:15
711.77:327:15
811.77:327:16
911.77:337:16
1011.77:337:17
1111.77:337:17
1211.77:347:18
1311.77:347:18
1411.77:347:18
1511.77:357:19
1611.77:357:19
1711.77:357:20
1811.77:367:20
1911.77:367:21
2011.77:367:21
2111.87:367:21
2211.87:367:22
2311.87:377:22
2411.87:377:22
2511.87:377:23
2611.87:377:23
2711.87:377:23
2811.87:377:24
2911.87:387:24
3011.87:387:24
3111.87:387:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5 kWh/m².

For context, solar energy here swings from a low near 4.31 kWh/m² to a high of 5.66 kWh/m² in March across the year — January's 5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.8Bright
74.8Bright
84.8Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Bagan Serai

In seasonPeak

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

Bagan Serai 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 Bagan Serai?

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

3.8
Sightseeing
2nd-best month of the year
4.7
Beach & pool
5th-best month of the year

January is a weaker month for outdoor sightseeing in Bagan Serai.

What to pack for Bagan Serai in January

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

In January, Bagan Serai sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Bagan Serai in January

The nearest coast averages about 29°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 18 km away) is warmest in May at about 30°C and coldest in December near 29°C.

The water stays above 20°C all year — warm enough for a swim any month.

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb30Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Bagan Serai in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bagan Serai peaks around February 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeFeb 18UV 14Jul 16UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May10Extreme
Jun11Extreme
Jul10Very high
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Bagan Serai 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 Bagan Serai is worst in March — around 31 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1631 µg/m³Nov 2026 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb29Moderate
Mar31Moderate
Apr28Moderate
May27Moderate
Jun28Moderate
Jul31Moderate
Aug29Moderate
Sep30Moderate
Oct30Moderate
Nov26Moderate
Dec27Moderate
Location & terrain

Where is Bagan Serai?

Bagan Serai sits at 5.0°N, 100.5°E, 3 m above sea level, in Malaysia. The nearest listed city is Simpang Empat, 12 km away.

Topography around Bagan Serai

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

Within 3 km, the terrain around Bagan Serai has only modest variations in elevation — a maximum elevation change of 13 m around an average of 3 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 411 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,835 m.

The land around Bagan Serai is covered by trees (42%) and cropland (35%) within 3 km, trees (46%) and cropland (24%) within 16 km, and trees (54%) and water (35%) within 80 km.

3 km
13 m
16 km
411 m
80 km
1,835 m
treesgrasslandcroplandartificial surfaceswatermangroves
January weather nearby: Simpang Empat 12 km · Kuala Kurau 13 km · Parit Buntar 14 km · Bandar Baharu 15 km · Nibong Tebal 19 km · Sungai Jawi 21 km · Jawi 23 km · Kamunting 26 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 Bagan Serai (5.0108°, 100.541°, elevation 3 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).