Setia Alam weather in December

In December, Setia Alam sees average daytime highs of 30°C and overnight lows near 24°C, with 280 mm of rain across 26.1 wet days and about 11.8 hours of daylight. It is the 12th-warmest and 2nd-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 2% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 48 min at the start of December to 11 h 48 min by month's end. Set against the rest of the year, December is Setia Alam's 11th-clearest and 10th-windiest month. For the whole year in context, see Setia Alam's year-round climate.

Daytime high
30°
12th warmest
Overnight low
24°
3rd coldest
Rainfall
280 mm
26.1 wet days
Daylight
11 h 48 min
7:16 AM – 7:05 PM
Cloud cover
89%
11th clearest
Wind
6 km/h
10th windiest
Solar energy
4.67 kWh/m²
Travel score
2.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Setia Alam reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Setia Alam

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Setia Alam weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°20121.111.83.3
Feb32° / 24°12416.411.93.3
Mar32° / 25°16822.1122.8
Apr32° / 25°18824.612.12.5
May32° / 25°15423.312.12.6
Jun32° / 25°9716.912.23.0
Jul32° / 25°10016.912.23.2
Aug32° / 25°10918.612.13.0
Sep32° / 25°12920.6122.8
Oct32° / 25°18724.611.92.6
Nov31° / 24°31427.711.92.5
Dec30° / 24°28026.111.82.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3991
4991
5991
6991
7892
8892
9892
10892
11892
12892
13892
14892
15892
16892
17892
18892
19892
20892
21892
22892
23892
24892
25892
26991
27991
281090
291189
301189
311288

Chance of precipitation in December

Any precipitation

Setia Alam gets around 280 mm of rain over 26.1 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 84% 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
487
586
686
786
885
985
1085
1185
1285
1384
1484
1584
1684
1784
1884
1984
2084
2184
2284
2383
2483
2583
2682
2782
2881
2980
3079
3178

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
102179
202278
302476
402575
502674
602773
702773
802872
902872
1002971
1102971
1203070
1303169
1403268
1503268
1603367
1703466
1803466
1903565
2003664
2103763
2203862
2303961
2404060
2504159
2604159
2704258
2804357
2904456
3004456
3114554

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 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
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 48 min at the start of December to 11 h 48 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 7:09 AM to 7:23 AM, and sunset from 6:59 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:096:59
211.87:096:59
311.87:107:00
411.87:107:00
511.87:117:00
611.87:117:01
711.87:127:01
811.87:127:02
911.87:127:02
1011.87:137:02
1111.87:137:03
1211.87:147:03
1311.87:147:04
1411.87:157:04
1511.87:157:05
1611.87:167:05
1711.87:167:05
1811.87:177:06
1911.87:177:06
2011.87:187:07
2111.87:187:07
2211.87:197:08
2311.87:197:08
2411.87:197:09
2511.87:207:09
2611.87:207:10
2711.87:217:10
2811.87:217:11
2911.87:227:11
3011.87:227:12
3111.87:237:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.67 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 6.06 kWh/m² in March across the year — December's 4.67 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Setia Alam

In seasonPeak

In December, Setia Alam sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Setia Alam 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 Setia Alam?

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

2.9
Sightseeing
6th-best month of the year
4.1
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Setia Alam.

What to pack for Setia Alam in December

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

In December, Setia Alam sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Setia Alam 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 offshore is warmest in May at about 30°C and coldest in January 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
Feb29Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Setia Alam 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 Setia Alam peaks around February 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 14Nov 22UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec10Extreme

Air quality in Setia Alam 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 Setia Alam is worst in September — around 38 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (November, 23 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1538 µg/m³Nov 2224 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb34Moderate
Mar33Moderate
Apr31Moderate
May30Moderate
Jun29Moderate
Jul34Moderate
Aug34Moderate
Sep38Poor
Oct34Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is Setia Alam?

Setia Alam sits at 3.1°N, 101.5°E, 142 m above sea level, in Malaysia. The nearest listed city is Bandar Bukit Raja, 3.0 km away.

Topography around Setia Alam

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

Within 3 km, the terrain around Setia Alam has only modest variations in elevation — a maximum elevation change of 96 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 226 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,972 m.

The land around Setia Alam is covered by artificial surfaces (58%) within 3 km, artificial surfaces (41%) and trees (40%) within 16 km, and trees (52%) and water (38%) within 80 km.

3 km
96 m
16 km
226 m
80 km
1,972 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Bandar Bukit Raja 3.0 km · Klang 7.0 km · Shah Alam 9.0 km · Kapar 9.0 km · Denai Alam 9.0 km · Kampung Baru Subang 10 km · Pandamaran 11 km · Bandar Saujana Utama 12 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 Setia Alam (3.1016°, 101.4557°, elevation 142 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).