Ambon weather in December

In December, Ambon sees average daytime highs of 28°C and overnight lows near 27°C, with 157 mm of rain across 23.8 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 7th-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 7% of the time in December, and the air most often feels miserable.

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 Ambon's 12th-clearest and 9th-windiest month. For the whole year in context, see Ambon's year-round climate.

Daytime high
28°
1st warmest
Overnight low
27°
12th coldest
Rainfall
157 mm
23.8 wet days
Daylight
12 h 12 min
6:17 AM – 6:30 PM
Cloud cover
83%
12th clearest
Wind
14 km/h
9th windiest
Solar energy
5.47 kWh/m²
Travel score
3.9
out of 10

Ambon is city in Maluku Province, Indonesia.

Density
1,163/km²
people per km²
Founded
1575

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Ambon reaches about 28°C in the afternoon and slips back to 27°C overnight — a 2°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.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12827
22827
32827
42827
52827
62827
72827
82827
92827
102827
112827
122827
132827
142827
152827
162827
172827
182827
192827
202827
212827
222827
232827
242827
252827
262827
272827
282827
292827
302827
312827

How December really feels in Ambon

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ambon weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 27°16123.612.24.1
Feb28° / 27°12119.812.14.3
Mar28° / 26°15822.8124.3
Apr28° / 26°20324.911.94.0
May27° / 26°23024.611.84.3
Jun26° / 25°24123.911.84.4
Jul26° / 25°17521.911.84.8
Aug26° / 25°10016.711.95.7
Sep26° / 25°7114.3125.8
Oct27° / 26°701512.15.7
Nov28° / 26°7916.612.25.2
Dec28° / 27°15723.812.23.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22080
32080
42179
52179
62080
71981
81981
91882
101882
111783
121684
131684
141585
151585
161486
171486
181387
191387
201387
211288
221288
231189
241189
251189
261288
271387
281387
291288
301387
311387

Chance of precipitation in December

Any precipitation

Ambon gets around 157 mm of rain over 23.8 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 77% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
169
270
371
471
572
673
773
874
974
1075
1176
1276
1377
1478
1579
1679
1780
1880
1980
2080
2180
2280
2380
2480
2580
2680
2779
2879
2979
3078
3178

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable 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 (%)
15842
25743
35743
45644
55545
65545
75446
85446
95347
105248
115149
125149
135050
144951
154852
164753
174654
184456
194357
204258
214159
224060
234060
243961
253961
263961
273961
283961
294060
304060
314159

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
612calm
712calm
812light breeze
912light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3118light breeze

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 6:11 AM to 6:24 AM, and sunset from 6:23 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:116:23
212.26:116:23
312.26:126:24
412.26:126:24
512.26:126:25
612.26:136:25
712.26:136:26
812.26:146:26
912.26:146:27
1012.26:146:27
1112.26:156:27
1212.26:156:28
1312.26:166:28
1412.26:166:29
1512.26:176:29
1612.26:176:30
1712.26:176:30
1812.26:186:31
1912.26:186:31
2012.26:196:32
2112.26:196:32
2212.26:206:33
2312.26:206:33
2412.26:216:34
2512.26:216:34
2612.26:226:35
2712.26:226:35
2812.26:236:35
2912.26:236:36
3012.26:246:36
3112.26:246:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.47 kWh/m².

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.16 kWh/m² in October across the year — December's 5.47 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Is December a good time to visit Ambon?

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

3.9
Sightseeing
12th-best month of the year
4.5
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Ambon.

What to pack for Ambon in December

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

In December, Ambon sees daytime highs around 28°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Ambon in December

The nearest coast averages about 29°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 29°C and coldest in August near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug27Warm
Sep27Warm
Oct28Tropical
Nov29Tropical
Dec29Tropical

UV index in Ambon in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Ambon peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jul 10UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Ambon?

Ambon sits at 3.7°S, 128.2°E, 12 m above sea level, in Indonesia. The nearest listed city is Amahai, 91 km away.

SananaWaisaiSorong

Topography around Ambon

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

Within 3 km, the terrain around Ambon has significant variations in elevation — a maximum elevation change of 344 m around an average of 62 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 875 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,302 m.

The land around Ambon is covered by trees (40%), water (33%) and artificial surfaces (25%) within 3 km, water (49%) and trees (47%) within 16 km, and water (72%) and trees (27%) within 80 km.

3 km
344 m
16 km
875 m
80 km
1,302 m
treesgrasslandartificial surfaceswater
December weather nearby: Amahai 91 km · Masohi 98 km · Namlea 130 km · Namrole 163 km · Kawasi 249 km · Sanana 305 km · Waisai 463 km · Sorong 464 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 Ambon (-3.6958°, 128.1833°, elevation 12 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).