Batu Anam weather in December

In December, Batu Anam sees average daytime highs of 30°C and overnight lows near 23°C, with 223 mm of rain across 24.3 wet days and about 11.9 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 1% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of December to 11 h 54 min by month's end. Set against the rest of the year, December is Batu Anam's 11th-clearest and 3rd-windiest month. For the whole year in context, see Batu Anam's year-round climate.

Daytime high
30°
12th warmest
Overnight low
23°
2nd coldest
Rainfall
223 mm
24.3 wet days
Daylight
11 h 54 min
7:10 AM – 7:01 PM
Cloud cover
91%
11th clearest
Wind
8 km/h
3rd windiest
Solar energy
3.96 kWh/m²
Travel score
3.1
out of 10

Batu Anam is town in Segamat, Johor, 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 30°C through the month.

A typical December day in Batu Anam 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 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)
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
263023
273023
283023
293023
303023
313023

How December really feels in Batu Anam

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.

Batu Anam 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
Jan30° / 23°13417.911.93.7
Feb32° / 23°7712.611.93.5
Mar33° / 24°15220.8122.6
Apr33° / 24°17725.912.12.2
May32° / 24°17026.312.12.4
Jun32° / 24°12822.312.12.7
Jul31° / 24°12922.912.12.9
Aug31° / 24°14624.412.12.8
Sep31° / 24°15224.6122.6
Oct32° / 24°1912611.92.5
Nov31° / 23°2542811.92.5
Dec30° / 23°22324.311.93.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% 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 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5793
6793
7793
8793
9793
10793
11793
12694
13694
14694
15694
16694
17694
18694
19694
20694
21694
22694
23694
24694
25694
26694
27793
28793
29892
30892
311090

Chance of precipitation in December

Any precipitation

Batu Anam gets around 223 mm of rain over 24.3 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 79% 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
288
387
487
586
685
785
884
984
1083
1182
1282
1381
1481
1580
1679
1779
1878
1977
2076
2176
2275
2374
2473
2572
2671
2770
2869
2969
3068
3167

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
116930
217029
317128
417227
517425
617425
707624
807723
907822
1007822
1107921
1207921
1308020
1408119
1508119
1608218
1708218
1818217
1918316
2018316
2118415
2218514
2328414
2428513
2528612
2628612
2738611
2838611
2938611
3048511
3148511

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 6 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
16calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 54 min at the start of December 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 December. Sunrise moves from 7:03 AM to 7:17 AM, and sunset from 6:55 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.97:036:55
211.97:036:55
311.97:046:55
411.97:046:56
511.97:056:56
611.97:056:57
711.97:066:57
811.97:066:57
911.97:076:58
1011.97:076:58
1111.97:076:59
1211.97:086:59
1311.97:087:00
1411.97:097:00
1511.97:097:00
1611.97:107:01
1711.97:107:01
1811.97:117:02
1911.97:117:02
2011.97:127:03
2111.97:127:03
2211.97:137:04
2311.97:137:04
2411.97:147:05
2511.97:147:05
2611.97:147:06
2711.97:157:06
2811.97:157:06
2911.97:167:07
3011.97:167:07
3111.97:177:08

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.96 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 5.27 kWh/m² in March across the year — December's 3.96 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Moderate
74.0Moderate
84.0Moderate
94.0Moderate
104.0Bright
114.0Moderate
124.0Moderate
134.0Moderate
144.0Moderate
154.0Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Moderate
234.0Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Bright
284.0Bright
294.0Bright
304.1Bright
314.1Bright
Planning a trip in December

Is December a good time to visit Batu Anam?

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

3.1
Sightseeing
3rd-best month of the year
4.3
Beach & pool
5th-best month of the year

December is a weaker month for outdoor sightseeing in Batu Anam.

What to pack for Batu Anam in December

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

In December, Batu Anam sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 24 days see rain.

light clothesrain gear

Sea temperature near Batu Anam 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 63 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 Batu Anam in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Batu Anam 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 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeFeb 20UV 15Jul 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Batu Anam 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 Batu Anam is worst in September — around 39 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (February, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1638 µg/m³Feb 816 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar22Moderate
Apr28Moderate
May28Moderate
Jun28Moderate
Jul30Moderate
Aug34Moderate
Sep39Poor
Oct34Moderate
Nov23Moderate
Dec19Moderate
Location & terrain

Where is Batu Anam?

Batu Anam sits at 2.6°N, 102.7°E, 22 m above sea level, in Malaysia. The nearest listed city is Gemas, 11 km away.

Topography around Batu Anam

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

Within 3 km, the terrain around Batu Anam has only modest variations in elevation — a maximum elevation change of 49 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 243 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,226 m.

The land around Batu Anam is covered by trees (89%) within 3 km, trees (89%) within 16 km, and trees (89%) within 80 km.

3 km
49 m
16 km
243 m
80 km
1,226 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Gemas 11 km · Segamat 14 km · Taman Pelangi 18 km · Rompin 27 km · Kampung Selang 32 km · Tangkak 40 km · Bandar Tun Razak 41 km · Labis 41 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 Batu Anam (2.5825°, 102.711°, elevation 22 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).