Sidikalang weather in December

In December, Sidikalang sees average daytime highs of 26°C and overnight lows near 18°C, with 443 mm of rain across 28.2 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 0% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of December to 11 h 48 min by month's end. Set against the rest of the year, December is Sidikalang's 10th-clearest and 9th-windiest month. For the whole year in context, see Sidikalang's year-round climate.

Daytime high
26°
10th warmest
Overnight low
18°
9th coldest
Rainfall
443 mm
28.2 wet days
Daylight
11 h 48 min
6:28 AM – 6:18 PM
Cloud cover
93%
10th clearest
Wind
3 km/h
9th windiest
Solar energy
3.92 kWh/m²
Travel score
3.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical December day in Sidikalang reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12618
22618
32618
42618
52618
62618
72618
82618
92618
102618
112618
122618
132618
142618
152618
162618
172618
182618
192618
202618
212618
222618
232618
242618
252618
262618
272618
282618
292618
302618
312618

Sidikalang weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°38327.811.93.7
Feb27° / 18°33924.711.93.7
Mar27° / 18°37928.6123.5
Apr27° / 19°39427.612.13.5
May28° / 19°26621.612.14.4
Jun27° / 18°15517.112.25.0
Jul27° / 18°16417.412.15.1
Aug27° / 18°25321.412.14.5
Sep26° / 18°30822.7124.2
Oct26° / 18°43826.311.93.9
Nov26° / 18°54528.411.93.5
Dec26° / 18°44328.211.83.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 3% of December, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15298
16298
17298
18298
19298
20298
21397
22397
23397
24397
25397
26397
27397
28496
29595
30595
31694

Chance of precipitation in December

Any precipitation

Sidikalang gets around 443 mm of rain over 28.2 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 91% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
392
492
591
691
790
890
990
1090
1190
1290
1390
1490
1590
1690
1791
1891
1991
2092
2192
2292
2392
2492
2592
2692
2792
2891
2991
3090
3190

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
10298
20298
30298
40298
50298
60397
70397
80397
90397
101396
111396
121495
131495
141495
151495
161495
171495
181495
191495
201495
210496
220496
230496
240496
250496
260496
270496
280595
290595
300595
310694

Wind in December

Winds average 3 km/h in December.

Across December, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 54 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 shrink by about 6 minutes over December. Sunrise moves from 6:21 AM to 6:35 AM, and sunset from 6:12 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:216:12
211.96:216:12
311.96:226:13
411.86:226:13
511.86:236:14
611.86:236:14
711.86:236:14
811.86:246:15
911.86:246:15
1011.86:256:16
1111.86:256:16
1211.86:266:16
1311.86:266:17
1411.86:276:17
1511.86:276:18
1611.86:286:18
1711.86:286:19
1811.86:296:19
1911.86:296:20
2011.86:306:20
2111.86:306:20
2211.86:306:21
2311.86:316:21
2411.86:316:22
2511.86:326:22
2611.86:326:23
2711.86:336:23
2811.86:336:24
2911.86:346:24
3011.86:346:25
3111.86:356:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.92 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 5.07 kWh/m² in February across the year — December's 3.92 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
154.0Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Bright
224.0Bright
234.0Bright
244.0Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in December

Hazard calendar for Sidikalang

In seasonPeak

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

Sidikalang 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 Sidikalang?

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

3.6
Sightseeing
9th-best month of the year
3.6
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Sidikalang.

What to pack for Sidikalang in December

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

In December, Sidikalang sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 28 days see rain.

rain gearlight clothes

UV index in Sidikalang in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Sidikalang peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 10UV 15Jun 20UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov11Extreme
Dec12Extreme

Air quality in Sidikalang 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 Sidikalang is worst in March — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1425 µg/m³Dec 1218 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb24Moderate
Mar25Moderate
Apr23Moderate
May21Moderate
Jun21Moderate
Jul20Moderate
Aug20Moderate
Sep24Moderate
Oct23Moderate
Nov19Moderate
Dec18Moderate
Location & terrain

Where is Sidikalang?

Sidikalang sits at 2.7°N, 98.3°E, 1,066 m above sea level, in Indonesia. The nearest listed city is Paropo, 27 km away.

Topography around Sidikalang

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

Within 3 km, the terrain around Sidikalang has only modest variations in elevation — a maximum elevation change of 195 m around an average of 1,070 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,219 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,429 m.

The land around Sidikalang is covered by trees (69%) within 3 km, trees (80%) within 16 km, and trees (80%) within 80 km.

3 km
195 m
16 km
1,219 m
80 km
2,429 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Paropo 27 km · Tongging 29 km · Kabanjahe 44 km · Pangururan 45 km · Subulussalam 49 km · Berastagi 54 km · Singkil 78 km · Barus 83 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 Sidikalang (2.749°, 98.3127°, elevation 1,066 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). 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).