Kisaran weather in January

In January, Kisaran sees average daytime highs of 31°C and overnight lows near 23°C, with 208 mm of rain across 25.3 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 3% of the time in January, and the air most often feels miserable.

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 Kisaran's 5th-clearest and 2nd-windiest month. For the whole year in context, see Kisaran's year-round climate.

Daytime high
31°
10th warmest
Overnight low
23°
1st coldest
Rainfall
208 mm
25.3 wet days
Daylight
11 h 48 min
6:35 AM – 6:26 PM
Cloud cover
84%
5th clearest
Wind
5 km/h
2nd windiest
Solar energy
4.83 kWh/m²
Travel score
2.8
out of 10

Kisaran is capital of Asahan Regency, North Sumatra, Indonesia.

Density
2,253/km²
people per km²
Founded
1982

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 31°C through the month.

A typical January day in Kisaran reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in Kisaran

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.

Kisaran weather by month

How January compares with the rest of the year at a glance. January is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°20825.311.82.8
Feb32° / 24°16121.811.92.7
Mar32° / 24°19425122.4
Apr33° / 24°23327.612.12.1
May33° / 24°23226.612.12.2
Jun33° / 24°16422.212.22.5
Jul32° / 24°16722.412.22.7
Aug32° / 24°20224.912.12.5
Sep32° / 24°27827.7122.3
Oct31° / 24°31629.211.92.3
Nov31° / 24°3282911.92.3
Dec31° / 24°29827.511.82.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
31090
41090
51189
61189
71189
81288
91288
101288
111288
121288
131387
141387
151387
161387
171387
181486
191486
201486
211486
221486
231486
241486
251486
261684
271684
281684
291684
301684
311684

Chance of precipitation in January

Any precipitation

Kisaran gets around 208 mm of rain over 25.3 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 82% and peaks near 84% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
183
283
383
483
583
683
783
883
983
1083
1183
1284
1384
1484
1583
1683
1783
1883
1982
2082
2181
2281
2380
2480
2579
2679
2779
2878
2978
3078
3178

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the miserable band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14159
24159
34159
44159
54159
64060
74060
84060
94159
104159
114159
124258
134258
144258
154357
164357
174357
184357
194357
204357
214456
224456
234456
244456
254456
264456
274555
284555
294555
304555
314555

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:30 AM to 6:39 AM, and sunset from 6:20 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:306:20
211.86:306:20
311.86:316:21
411.86:316:21
511.86:316:21
611.86:326:22
711.86:326:22
811.86:336:23
911.86:336:23
1011.86:336:24
1111.86:346:24
1211.86:346:25
1311.86:356:25
1411.86:356:25
1511.86:356:26
1611.86:356:26
1711.86:366:27
1811.86:366:27
1911.86:366:27
2011.96:376:28
2111.96:376:28
2211.96:376:28
2311.96:376:29
2411.96:386:29
2511.96:386:29
2611.96:386:30
2711.96:386:30
2811.96:386:30
2911.96:396:30
3011.96:396:31
3111.96:396:31

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.83 kWh/m².

For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 5.51 kWh/m² in March across the year — January's 4.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.6Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in January

Hazard calendar for Kisaran

In seasonPeak

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

Kisaran 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 Kisaran?

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

2.8
Sightseeing
1st-best month of the year
4.1
Beach & pool
4th-best month of the year

January is a weaker month for outdoor sightseeing in Kisaran.

What to pack for Kisaran in January

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

In January, Kisaran sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Kisaran 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 33 km away) is warmest in May 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
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Kisaran in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Kisaran peaks around February 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 14Jun 19UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Kisaran 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 Kisaran is worst in September — around 30 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1630 µg/m³Dec 1019 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb25Moderate
Mar27Moderate
Apr25Moderate
May25Moderate
Jun23Moderate
Jul27Moderate
Aug28Moderate
Sep30Moderate
Oct28Moderate
Nov20Moderate
Dec19Moderate
Location & terrain

Where is Kisaran?

Kisaran sits at 3.0°N, 99.6°E, 20 m above sea level, in Indonesia. The nearest listed city is Tanjungbalai, 21 km away.

Topography around Kisaran

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

Within 3 km, the terrain around Kisaran has only modest variations in elevation — a maximum elevation change of 24 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 79 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,188 m.

The land around Kisaran is covered by trees (70%) and artificial surfaces (25%) within 3 km, trees (85%) within 16 km, and trees (61%) and water (30%) within 80 km.

3 km
24 m
16 km
79 m
80 km
2,188 m
treesgrasslandcroplandartificial surfaceswatermangroves
January weather nearby: Tanjungbalai 21 km · Teluk Nibung 22 km · Pekan Bahapal 51 km · Pematangsiantar 61 km · Tebingtinggi 63 km · Perbaungan 98 km · Rantauprapat 101 km · Bandar 105 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 Kisaran (2.9845°, 99.6158°, elevation 20 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).