Sidikalang weather in January

In January, Sidikalang sees average daytime highs of 27°C and overnight lows near 18°C, with 383 mm of rain across 27.8 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 1% of the time in January, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Sidikalang's 5th-clearest and 5th-windiest month. For the whole year in context, see Sidikalang's year-round climate.

Daytime high
27°
7th warmest
Overnight low
18°
4th coldest
Rainfall
383 mm
27.8 wet days
Daylight
11 h 54 min
6:40 AM – 6:32 PM
Cloud cover
88%
5th clearest
Wind
3 km/h
5th windiest
Solar energy
4.6 kWh/m²
Travel score
3.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical January day in Sidikalang reaches about 27°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102718
112718
122718
132718
142718
152718
162718
172718
182718
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718
312718

Sidikalang weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 5th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2793
3793
4892
5892
6892
7892
8892
9892
10892
11892
12892
13892
14793
15793
16793
17793
18694
19694
20694
21694
22694
23694
24694
25694
26694
27694
28694
29793
30793
31793

Chance of precipitation in January

Any precipitation

Sidikalang gets around 383 mm of rain over 27.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 90% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
289
389
489
589
689
789
890
990
1090
1191
1291
1391
1491
1591
1692
1791
1891
1991
2091
2190
2290
2390
2489
2589
2688
2788
2888
2987
3087
3187

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 90% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
16940
27930
37930
48920
58920
69910
79910
89910
99910
109901
119901
129901
139901
149901
159901
169901
179901
189901
199901
209901
219901
229901
239901
249901
259901
269901
279901
289901
299901
309901
318911

Wind in January

Winds average 3 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 11 h 48 min at the start of January to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:35 AM to 6:44 AM, and sunset from 6:25 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:356:25
211.86:356:26
311.86:356:26
411.86:366:27
511.86:366:27
611.86:376:28
711.86:376:28
811.86:386:28
911.86:386:29
1011.96:386:29
1111.96:396:30
1211.96:396:30
1311.96:396:31
1411.96:406:31
1511.96:406:31
1611.96:406:32
1711.96:416:32
1811.96:416:33
1911.96:416:33
2011.96:416:33
2111.96:426:34
2211.96:426:34
2311.96:426:34
2411.96:426:35
2511.96:436:35
2611.96:436:35
2711.96:436:35
2811.96:436:36
2911.96:436:36
3011.96:446:36
3111.96:446:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.6 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 — January's 4.6 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.4Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for Sidikalang

In seasonPeak

None of Sidikalang's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 January a good time to visit Sidikalang?

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

3.7
Sightseeing
7th-best month of the year
3.7
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Sidikalang.

What to pack for Sidikalang in January

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

In January, Sidikalang sees daytime highs around 27°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 28 days see rain.

rain gearlight clothessun protection

UV index in Sidikalang in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (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 January

GoodModeratePoorUnhealthyVery unhealthy

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