Masohi weather in December

In December, Masohi sees average daytime highs of 29°C and overnight lows near 23°C, with 265 mm of rain across 28.9 wet days and about 12.2 hours of daylight. It is the 2nd-warmest and 4th-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 1% of the time in December, and the air most often feels oppressive.

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

Daytime high
29°
2nd warmest
Overnight low
23°
10th coldest
Rainfall
265 mm
28.9 wet days
Daylight
12 h 12 min
6:15 AM – 6:26 PM
Cloud cover
91%
12th clearest
Wind
4 km/h
10th windiest
Solar energy
4.4 kWh/m²
Travel score
3.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Masohi reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923
312923

How December really feels in Masohi

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Masohi weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°26128.212.23.1
Feb29° / 23°22025.312.13.1
Mar29° / 22°29828.8123.1
Apr28° / 22°29528.311.93.3
May27° / 22°26926.211.93.9
Jun27° / 22°24624.311.84.2
Jul26° / 21°17721.911.84.7
Aug26° / 21°13417.811.95.3
Sep27° / 21°16418.8124.9
Oct28° / 22°18422.212.14.3
Nov29° / 22°20224.412.13.6
Dec29° / 23°26528.912.23.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% 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
11694
12694
13694
14595
15595
16595
17496
18496
19496
20496
21397
22397
23496
24496
25496
26496
27496
28496
29496
30496
31496

Chance of precipitation in December

Any precipitation

Masohi gets around 265 mm of rain over 28.9 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 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
290
391
491
592
692
792
893
993
1093
1194
1294
1394
1494
1594
1694
1794
1894
1994
2094
2194
2294
2394
2493
2593
2693
2793
2893
2993
3092
3192

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16982
17982
18982
19982
20982
21982
22982
23982
24982
25982
26982
27991
28991
29991
30991
31991

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 h 12 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 6:09 AM to 6:22 AM, and sunset from 6:19 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:096:19
212.26:096:20
312.26:096:20
412.26:106:20
512.26:106:21
612.26:106:21
712.26:116:22
812.26:116:22
912.26:126:23
1012.26:126:23
1112.26:126:24
1212.26:136:24
1312.26:136:25
1412.26:146:25
1512.26:146:26
1612.26:156:26
1712.26:156:26
1812.26:166:27
1912.26:166:27
2012.26:166:28
2112.26:176:28
2212.26:176:29
2312.26:186:29
2412.26:186:30
2512.26:196:30
2612.26:196:31
2712.26:206:31
2812.26:206:32
2912.26:216:32
3012.26:216:32
3112.26:226:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.4 kWh/m².

For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 5.05 kWh/m² in October across the year — December's 4.4 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.6Bright
314.6Bright
Planning a trip in December

Is December a good time to visit Masohi?

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

3.0
Sightseeing
12th-best month of the year
3.8
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Masohi.

What to pack for Masohi in December

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

In December, Masohi sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Masohi 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 13 km away) is warmest in December at about 30°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan30Tropical
Feb30Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep27Warm
Oct28Tropical
Nov29Tropical
Dec30Tropical

UV index in Masohi 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 Masohi peaks around February 21 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 16Jul 11UV 11
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Masohi?

Masohi sits at 3.3°S, 129.0°E, 21 m above sea level, in Indonesia. The nearest listed city is Amahai, 7.0 km away.

SananaSorongFakfak

Topography around Masohi

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

Within 3 km, the terrain around Masohi has significant variations in elevation — a maximum elevation change of 266 m around an average of 76 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 491 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,006 m.

The land around Masohi is covered by trees (47%) and water (26%) within 3 km, water (53%) and trees (40%) within 16 km, and water (53%) and trees (46%) within 80 km.

3 km
266 m
16 km
491 m
80 km
3,006 m
treesgrasslandartificial surfaceswater
December weather nearby: Amahai 7.0 km · Ambon 98 km · Namlea 208 km · Namrole 256 km · Kawasi 257 km · Sanana 360 km · Sorong 370 km · Fakfak 372 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 Masohi (-3.2983°, 128.9688°, elevation 21 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).