Bagan Serai weather in December

In December, Bagan Serai sees average daytime highs of 29°C and overnight lows near 25°C, with 254 mm of rain across 25.2 wet days and about 11.7 hours of daylight. It is the 10th-warmest and 3rd-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 6% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Bagan Serai's 6th-clearest and 10th-windiest month. For the whole year in context, see Bagan Serai's year-round climate.

Daytime high
29°
10th warmest
Overnight low
25°
2nd coldest
Rainfall
254 mm
25.2 wet days
Daylight
11 h 42 min
7:23 AM – 7:05 PM
Cloud cover
83%
6th clearest
Wind
6 km/h
10th windiest
Solar energy
4.38 kWh/m²
Travel score
3.6
out of 10

Bagan Serai is human settlement in Malaysia.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December 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 27°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How December really feels in Bagan Serai

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bagan Serai weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21288
31288
41288
51288
61288
71486
81486
91486
101486
111486
121486
131486
141486
151486
161486
171585
181585
191585
201684
211783
221783
231783
241783
251882
261981
271981
282080
292278
302377
312377

Chance of precipitation in December

Any precipitation

Bagan Serai gets around 254 mm of rain over 25.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 81% and peaks near 88% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
287
387
486
586
685
785
884
984
1083
1183
1283
1383
1482
1582
1681
1781
1880
1980
2079
2179
2279
2378
2478
2578
2677
2777
2877
2977
3077
3177

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 (%)
108416
208416
318316
418415
518415
618415
718514
818514
918514
1018613
1108812
1208812
1308911
1409010
1518910
161909
171918
181918
191927
201927
211927
221936
231936
241936
252926
262926
272926
282926
292926
302926
313907

Wind in December

Winds average 6 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 11 h 42 min at the start of December to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 7:16 AM to 7:30 AM, and sunset from 7:00 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:167:00
211.77:167:00
311.77:177:00
411.77:177:01
511.77:177:01
611.77:187:01
711.77:187:02
811.77:197:02
911.77:197:02
1011.77:207:03
1111.77:207:03
1211.77:217:04
1311.77:217:04
1411.77:227:04
1511.77:227:05
1611.77:237:05
1711.77:237:06
1811.77:247:06
1911.77:247:07
2011.77:257:07
2111.77:257:08
2211.77:267:08
2311.77:267:09
2411.77:267:09
2511.77:277:10
2611.77:277:10
2711.77:287:10
2811.77:287:11
2911.77:297:11
3011.77:297:12
3111.77:307:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.38 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 — December's 4.38 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in December

Hazard calendar for Bagan Serai

In seasonPeak

In December, 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 December a good time to visit Bagan Serai?

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

3.6
Sightseeing
6th-best month of the year
4.4
Beach & pool
8th-best month of the year

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

What to pack for Bagan Serai in December

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

In December, Bagan Serai sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

Sea temperature near Bagan Serai in December

The nearest coast averages about 29°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).