Jayapura weather in January

In January, Jayapura sees average daytime highs of 28°C and overnight lows near 25°C, with 242 mm of rain across 27.1 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 4th-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 January, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Jayapura's 10th-clearest and 1st-windiest month. For the whole year in context, see Jayapura's year-round climate.

Daytime high
28°
7th warmest
Overnight low
25°
10th coldest
Rainfall
242 mm
27.1 wet days
Daylight
12 h 06 min
5:42 AM – 5:50 PM
Cloud cover
86%
10th clearest
Wind
13 km/h
1st windiest
Solar energy
5.44 kWh/m²
Travel score
3.4
out of 10

Jayapura is city in Papua Province, Indonesia.

Founded
1993

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 28°C through the month.

A typical January day in Jayapura 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 29°C. Set against its neighbours, January runs on par with December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How January really feels in Jayapura

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.

Jayapura weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°24227.112.13.4
Feb28° / 25°2392412.13.4
Mar28° / 25°26727.3123.3
Apr29° / 25°25027.211.93.2
May29° / 25°21627.311.93.3
Jun28° / 25°2212711.93.4
Jul28° / 25°2362611.93.7
Aug28° / 25°21025.311.93.8
Sep29° / 25°19124.1123.8
Oct29° / 25°18625.712.13.5
Nov29° / 25°23326.912.13.2
Dec29° / 25°26528.112.13.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% 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 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
21090
31090
41189
51189
61288
71387
81387
91387
101387
111387
121387
131387
141387
151486
161486
171486
181486
191486
201387
211288
221288
231288
241288
251189
261189
271189
281090
291090
30991
31991

Chance of precipitation in January

Any precipitation

Jayapura gets around 242 mm of rain over 27.1 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 87% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
288
387
487
586
686
786
886
986
1086
1186
1286
1386
1486
1586
1686
1787
1887
1987
2088
2188
2288
2388
2489
2589
2689
2789
2889
2989
3089
3189

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13664
23862
33961
44060
54258
64357
74456
84654
94753
104852
114951
125149
135248
145347
155545
165644
175842
185941
195941
206040
216040
226139
236139
246139
256139
266040
276040
285941
295941
305842
315842

Wind in January

Winds average 13 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 06 min at the start of January to 12 h 06 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 5:36 AM to 5:47 AM, and sunset from 5:45 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:365:45
212.15:365:45
312.15:375:45
412.15:375:46
512.15:385:46
612.15:385:47
712.15:395:47
812.15:395:48
912.15:405:48
1012.15:405:48
1112.15:405:49
1212.15:415:49
1312.15:415:49
1412.15:425:50
1512.15:425:50
1612.15:425:50
1712.15:435:51
1812.15:435:51
1912.15:445:51
2012.15:445:52
2112.15:445:52
2212.15:455:52
2312.15:455:52
2412.15:455:53
2512.15:465:53
2612.15:465:53
2712.15:465:53
2812.15:465:53
2912.15:475:53
3012.15:475:54
3112.15:475:54

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.44 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 5.72 kWh/m² in October across the year — January's 5.44 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.2Bright
315.2Bright
Planning a trip in January

Is January a good time to visit Jayapura?

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

3.4
Sightseeing
5th-best month of the year
4.1
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Jayapura.

What to pack for Jayapura in January

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

In January, Jayapura sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Jayapura 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 November at about 30°C and coldest in February 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
Mar29Tropical
Apr29Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct30Tropical
Nov30Tropical
Dec29Tropical

UV index in Jayapura in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jayapura peaks around March 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 16Jun 23UV 11
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Jayapura?

Jayapura sits at 2.5°S, 140.7°E, 11 m above sea level, in Indonesia. The nearest listed city is Abepura, 12 km away.

TiomMuliaWewakAgatsTimika

Topography around Jayapura

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

Within 3 km, the terrain around Jayapura has large variations in elevation — a maximum elevation change of 646 m around an average of 107 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,570 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,957 m.

The land around Jayapura is covered by trees (45%) and water (33%) within 3 km, water (56%) and trees (36%) within 16 km, and trees (62%) and water (36%) within 80 km.

3 km
646 m
16 km
1,570 m
80 km
1,957 m
treesgrasslandartificial surfacesbare terrainwatermangroves
January weather nearby: Abepura 12 km · Sentani 23 km · Wamena 262 km · Tiom 295 km · Mulia 331 km · Wewak 343 km · Agats 441 km · Timika 505 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 Jayapura (-2.5337°, 140.7181°, elevation 11 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. 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).