Singkil weather in January

In January, Singkil sees average daytime highs of 29°C and overnight lows near 25°C, with 283 mm of rain across 24.2 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 7% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Singkil's 4th-clearest and 11th-windiest month. For the whole year in context, see Singkil's year-round climate.

Daytime high
29°
7th warmest
Overnight low
25°
6th coldest
Rainfall
283 mm
24.2 wet days
Daylight
11 h 54 min
6:42 AM – 6:35 PM
Cloud cover
82%
4th clearest
Wind
6 km/h
11th windiest
Solar energy
5.22 kWh/m²
Travel score
3.5
out of 10

Singkil is capital of Aceh Singkil Regency, Aceh Province, Indonesia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Singkil reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How January really feels in Singkil

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

Singkil weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°28324.211.93.5
Feb30° / 25°23921.211.93.4
Mar30° / 25°31526.8123.1
Apr30° / 25°36926.5123.0
May30° / 26°28221.912.13.5
Jun30° / 25°21817.812.13.9
Jul29° / 25°2562012.13.9
Aug29° / 25°3262312.13.6
Sep29° / 25°35123.4123.5
Oct29° / 25°46626.411.93.3
Nov28° / 25°57127.211.93.2
Dec29° / 25°40226.911.93.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21486
31585
41684
51684
61783
71783
81783
91882
101882
111882
121783
131684
141684
151684
161585
171585
181486
191486
201486
211486
221486
231585
241585
251585
261684
271684
281684
291882
301882
311882

Chance of precipitation in January

Any precipitation

Singkil gets around 283 mm of rain over 24.2 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 78% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
179
278
377
476
576
676
776
876
976
1077
1177
1278
1379
1479
1580
1680
1781
1881
1981
2081
2181
2281
2381
2480
2579
2678
2778
2877
2976
3076
3176

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16337
26436
36436
46535
56535
66535
76535
86535
96535
106535
116535
126436
136436
146337
156238
166238
176040
185941
195842
205743
215644
225644
235545
245545
255545
265446
275446
285446
295545
305545
315545

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 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
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 54 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 0 minutes over January. Sunrise moves from 6:36 AM to 6:45 AM, and sunset from 6:28 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:366:28
211.96:366:29
311.96:376:29
411.96:376:29
511.96:386:30
611.96:386:30
711.96:386:31
811.96:396:31
911.96:396:32
1011.96:406:32
1111.96:406:33
1211.96:406:33
1311.96:416:33
1411.96:416:34
1511.96:416:34
1611.96:426:35
1711.96:426:35
1811.96:426:35
1911.96:436:36
2011.96:436:36
2111.96:436:36
2211.96:436:37
2311.96:446:37
2411.96:446:37
2511.96:446:38
2611.96:446:38
2711.96:456:38
2811.96:456:38
2911.96:456:39
3011.96:456:39
3111.96:456:39

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.22 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 5.6 kWh/m² in February across the year — January's 5.22 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.5Bright
Planning a trip in January

Hazard calendar for Singkil

In seasonPeak

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

Singkil 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 Singkil?

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

3.5
Sightseeing
4th-best month of the year
4.5
Beach & pool
6th-best month of the year

January is a weaker month for outdoor sightseeing in Singkil.

What to pack for Singkil in January

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

In January, Singkil sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Singkil in January

The nearest coast averages about 29°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in March at about 30°C and coldest in November 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
Feb30Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Singkil in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Singkil peaks around February 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 14Jul 13UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Singkil?

Singkil sits at 2.3°N, 97.8°E, 5 m above sea level, in Indonesia. The nearest listed city is Subulussalam, 43 km away.

Topography around Singkil

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

Within 3 km, the terrain around Singkil has only modest variations in elevation — a maximum elevation change of 13 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 30 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,806 m.

The land around Singkil is covered by trees (43%) within 3 km, water (54%) and trees (36%) within 16 km, and water (60%) and trees (39%) within 80 km.

3 km
13 m
16 km
30 m
80 km
1,806 m
treesshrubsgrasslandartificial surfaceswatermangroves
January weather nearby: Subulussalam 43 km · Barus 74 km · Sidikalang 78 km · Paropo 104 km · Tongging 106 km · Pangururan 107 km · Gunungsitoli 113 km · Kabanjahe 119 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 Singkil (2.2874°, 97.7884°, elevation 5 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).