Ransiki weather in January

In January, Ransiki sees average daytime highs of 28°C and overnight lows near 24°C, with 565 mm of rain across 29.4 wet days and about 12.1 hours of daylight. It is the 8th-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 1% 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 Ransiki's 10th-clearest and 9th-windiest month. For the whole year in context, see Ransiki's year-round climate.

Daytime high
28°
8th warmest
Overnight low
24°
7th coldest
Rainfall
565 mm
29.4 wet days
Daylight
12 h 06 min
6:10 AM – 6:15 PM
Cloud cover
89%
10th clearest
Wind
5 km/h
9th windiest
Solar energy
5.35 kWh/m²
Travel score
3.4
out of 10

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 Ransiki reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°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)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282824
292824
302824
312824

Ransiki weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°56529.412.13.4
Feb28° / 24°51526.1123.4
Mar28° / 24°64729.8123.3
Apr28° / 24°57329123.1
May28° / 24°29928.611.93.3
Jun28° / 24°22126.311.93.7
Jul28° / 24°19825.111.94.0
Aug28° / 24°17523.5124.0
Sep29° / 24°19724.7123.7
Oct29° / 24°23126.5123.5
Nov29° / 24°3422812.13.1
Dec28° / 24°58230.212.13.1

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 4% of January, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10595
11595
12595
13595
14595
15496
16595
17595
18595
19595
20595
21595
22595
23595
24595
25595
26595
27595
28595
29595
30595
31595

Chance of precipitation in January

Any precipitation

Ransiki gets around 565 mm of rain over 29.4 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 95% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
395
495
594
694
794
894
994
1094
1194
1294
1394
1494
1594
1694
1795
1895
1995
2095
2195
2295
2395
2495
2595
2695
2795
2895
2995
3095
3195

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1928
2928
3937
4937
5946
6946
7955
8955
9955
10964
11964
12964
13964
14964
15964
16964
17964
18964
19955
20955
21955
22955
23955
24955
25955
26955
27955
28955
29955
30955
31955

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 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 6:04 AM to 6:15 AM, and sunset from 6:09 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:046:09
212.16:046:09
312.16:056:10
412.16:056:10
512.16:066:11
612.16:066:11
712.16:076:12
812.16:076:12
912.16:076:12
1012.16:086:13
1112.16:086:13
1212.16:096:14
1312.16:096:14
1412.16:096:14
1512.16:106:15
1612.16:106:15
1712.16:116:15
1812.16:116:16
1912.16:116:16
2012.16:126:16
2112.16:126:16
2212.16:126:17
2312.16:136:17
2412.16:136:17
2512.16:136:17
2612.16:136:18
2712.16:146:18
2812.16:146:18
2912.16:146:18
3012.16:146:18
3112.16:156:19

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.35 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 5.78 kWh/m² in October across the year — January's 5.35 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Ransiki

In seasonPeak

In January, Ransiki sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Ransiki's rainy season runs November–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Ransiki?

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

3.4
Sightseeing
6th-best month of the year
3.7
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Ransiki.

What to pack for Ransiki in January

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

In January, Ransiki sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Ransiki 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 26 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
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct30Tropical
Nov30Tropical
Dec30Tropical

UV index in Ransiki 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 Ransiki peaks around March 14 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 17Jul 10UV 12
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar17Extreme
Apr16Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Ransiki?

Ransiki sits at 1.5°S, 134.2°E, 26 m above sea level, in Indonesia. The nearest listed city is Manokwari, 73 km away.

SorongWaisai

Topography around Ransiki

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

Within 3 km, the terrain around Ransiki has only modest variations in elevation — a maximum elevation change of 223 m around an average of 44 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,702 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,912 m.

The land around Ransiki is covered by trees (88%) within 3 km, trees (55%) and water (43%) within 16 km, and water (50%) and trees (48%) within 80 km.

3 km
223 m
16 km
1,702 m
80 km
2,912 m
treesgrasslandartificial surfaceswatermangroves
January weather nearby: Manokwari 73 km · Bintuni 98 km · Biak 216 km · Teminabuan 240 km · Nabire 253 km · Fakfak 261 km · Sorong 331 km · Waisai 431 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 Ransiki (-1.5083°, 134.1708°, elevation 26 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).