Ransiki weather in December

In December, Ransiki sees average daytime highs of 28°C and overnight lows near 24°C, with 582 mm of rain across 30.2 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 2nd-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 December, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Ransiki's 11th-clearest and 12th-windiest month. For the whole year in context, see Ransiki's year-round climate.

Daytime high
28°
6th warmest
Overnight low
24°
10th coldest
Rainfall
582 mm
30.2 wet days
Daylight
12 h 06 min
5:57 AM – 6:02 PM
Cloud cover
89%
11th clearest
Wind
4 km/h
12th windiest
Solar energy
5.06 kWh/m²
Travel score
3.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December 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, December runs on par with November and on par with January.

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 December compares with the rest of the year at a glance. December is the 6th-warmest and 2nd-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 4% of December, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6793
7793
8793
9793
10793
11793
12694
13694
14694
15694
16694
17595
18496
19496
20496
21496
22397
23397
24397
25298
26298
27298
28298
29397
30397
31397

Chance of precipitation in December

Any precipitation

Ransiki gets around 582 mm of rain over 30.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 97% and peaks near 98% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
296
396
496
597
697
797
897
998
1098
1198
1298
1398
1498
1598
1698
1797
1897
1997
2097
2197
2297
2397
2497
2597
2697
2797
2896
2996
3096
3196

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1928
2937
3937
4937
5937
6937
7946
8946
9946
10946
11946
12946
13946
14946
15946
16937
17937
18937
19928
20928
21928
22919
23919
24919
25919
26919
27919
28919
29919
30919
31919

Wind in December

Winds average 4 km/h in December, the calmest month.

Across December, daily wind ranges from about 4 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
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December 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 December. Sunrise moves from 5:51 AM to 6:04 AM, and sunset from 5:55 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:515:55
212.15:515:56
312.15:515:56
412.15:525:57
512.15:525:57
612.15:535:58
712.15:535:58
812.15:535:58
912.15:545:59
1012.15:545:59
1112.15:556:00
1212.15:556:00
1312.15:566:01
1412.15:566:01
1512.15:566:02
1612.15:576:02
1712.15:576:03
1812.15:586:03
1912.15:586:03
2012.15:596:04
2112.15:596:04
2212.16:006:05
2312.16:006:05
2412.16:016:06
2512.16:016:06
2612.16:026:07
2712.16:026:07
2812.16:026:08
2912.16:036:08
3012.16:036:09
3112.16:046:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.06 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 — December's 5.06 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in December

Hazard calendar for Ransiki

In seasonPeak

In December, 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 December a good time to visit Ransiki?

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

3.1
Sightseeing
10th-best month of the year
3.6
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Ransiki.

What to pack for Ransiki in December

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

In December, Ransiki sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Ransiki in December

The nearest coast averages about 30°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 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
December 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).