Labuhan Deli weather in December

In December, Labuhan Deli sees average daytime highs of 28°C and overnight lows near 25°C, with 348 mm of rain across 28.1 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 28°C through the month. The sky is clear or mostly clear about 4% of the time in December, and the air most often feels oppressive.

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 Labuhan Deli's 10th-clearest and 1st-windiest month. For the whole year in context, see Labuhan Deli's year-round climate.

Daytime high
28°
12th warmest
Overnight low
25°
2nd coldest
Rainfall
348 mm
28.1 wet days
Daylight
11 h 48 min
6:28 AM – 6:15 PM
Cloud cover
88%
10th clearest
Wind
10 km/h
1st windiest
Solar energy
4.29 kWh/m²
Travel score
3.6
out of 10

Labuhan Deli is subdistrict in Medan City, North Sumatra, Indonesia.

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 28°C through the month.

A typical December day in Labuhan Deli reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°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
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How December really feels in Labuhan Deli

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.

Labuhan Deli 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
Jan28° / 25°18023.811.84.2
Feb28° / 26°10718.311.94.4
Mar29° / 26°14321.2124.0
Apr29° / 26°18325.912.13.3
May29° / 26°20426.412.23.2
Jun29° / 26°1592312.23.5
Jul29° / 26°1722512.23.5
Aug29° / 26°20726.612.13.3
Sep28° / 26°25528.1123.1
Oct28° / 25°32429.511.93.2
Nov28° / 25°38529.511.83.2
Dec28° / 25°34828.111.83.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 7% of December, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6892
7892
8991
9991
10991
11991
121090
131090
141090
151090
161090
171090
181189
191189
201189
211189
221189
231189
241288
251288
261387
271387
281486
291585
301585
311585

Chance of precipitation in December

Any precipitation

Labuhan Deli gets around 348 mm of rain over 28.1 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 91% and peaks near 96% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
296
396
495
595
695
794
894
993
1093
1192
1292
1392
1491
1591
1690
1790
1889
1989
2089
2189
2288
2388
2488
2588
2688
2788
2888
2987
3087
3187

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

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
107228
207327
307426
407426
507525
607624
707624
807723
907822
1007921
1107921
1208020
1308020
1408119
1508119
1608119
1708218
1808218
1908218
2008317
2108317
2208416
2308515
2408515
2508614
2608614
2708713
2808713
2908713
3008713
3118613

Wind in December

Winds average 10 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:21 AM to 6:35 AM, and sunset from 6:09 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:216:09
211.86:226:09
311.86:226:10
411.86:236:10
511.86:236:10
611.86:246:11
711.86:246:11
811.86:256:12
911.86:256:12
1011.86:256:12
1111.86:266:13
1211.86:266:13
1311.86:276:14
1411.86:276:14
1511.86:286:14
1611.86:286:15
1711.86:296:15
1811.86:296:16
1911.86:306:16
2011.86:306:17
2111.86:316:17
2211.86:316:18
2311.86:326:18
2411.86:326:19
2511.86:336:19
2611.86:336:20
2711.86:336:20
2811.86:346:21
2911.86:346:21
3011.86:356:22
3111.86:356:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.29 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 5.83 kWh/m² in March across the year — December's 4.29 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.6Bright
Planning a trip in December

Hazard calendar for Labuhan Deli

In seasonPeak

In December, Labuhan Deli sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Labuhan Deli sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Labuhan Deli?

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

3.6
Sightseeing
4th-best month of the year
3.8
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Labuhan Deli.

What to pack for Labuhan Deli in December

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

In December, Labuhan Deli sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

Sea temperature near Labuhan Deli 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 27 km away) is warmest in June 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
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Labuhan Deli 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 Labuhan Deli peaks around February 21 at about 14 (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 21UV 14Jul 12UV 10
UV index (midday)Level
Jan11Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Labuhan Deli 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 Labuhan Deli is worst in September — around 33 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1632 µg/m³Dec 1123 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb28Moderate
Mar32Moderate
Apr31Moderate
May30Moderate
Jun29Moderate
Jul30Moderate
Aug30Moderate
Sep33Moderate
Oct30Moderate
Nov23Moderate
Dec23Moderate
Location & terrain

Where is Labuhan Deli?

Labuhan Deli sits at 3.9°N, 98.6°E, 2 m above sea level, in Indonesia. The nearest listed city is Belawan, 13 km away.

Topography around Labuhan Deli

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

Within 3 km, the terrain around Labuhan Deli has only modest variations in elevation — a maximum elevation change of 10 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 27 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,175 m.

The land around Labuhan Deli is covered by mangroves (81%) within 3 km, water (47%), trees (21%) and mangroves (20%) within 16 km, and trees (53%) and water (36%) within 80 km.

3 km
10 m
16 km
27 m
80 km
2,175 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Belawan 13 km · Stabat 26 km · Medan 33 km · Sunggal 34 km · Binjai 35 km · Tanjungtiram 36 km · Percut 38 km · Deli Tua 42 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Labuhan Deli (3.879°, 98.633°, elevation 2 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).