Baucau weather in December

In December, Baucau sees average daytime highs of 29°C and overnight lows near 24°C, with 308 mm of rain across 26.6 wet days and about 12.5 hours of daylight. It is the 3rd-warmest and 1st-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 6% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Baucau's 10th-clearest and 10th-windiest month. For the whole year in context, see Baucau's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
308 mm
26.6 wet days
Daylight
12 h 30 min
6:16 AM – 6:45 PM
Cloud cover
82%
10th clearest
Wind
6 km/h
10th windiest
Solar energy
5.92 kWh/m²
Travel score
3.3
out of 10

Baucau is city in East Timor.

Density
43/km²
people per km²

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 29°C through the month.

A typical December day in Baucau reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°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 about 1°C cooler than November and about 1°C warmer than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272824
282824
292824
302824
312824

How December really feels in Baucau

Once humidity and wind are folded in, December averages 26 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
26
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.

Baucau weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°29728.412.43.4
Feb28° / 24°28126.212.33.4
Mar28° / 23°29926.112.13.7
Apr28° / 23°19720.511.84.3
May28° / 23°9814.411.65.7
Jun27° / 22°519.811.56.5
Jul27° / 21°236.911.67.1
Aug27° / 20°9311.77.6
Sep29° / 21°142.6126.8
Oct30° / 22°435.612.25.7
Nov30° / 24°1561412.44.4
Dec29° / 24°30826.612.53.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 81%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32872
42773
52773
62674
72674
82674
92476
102476
112476
122377
132377
142179
152179
162080
171882
181783
191684
201684
211585
221486
231387
241387
251189
261189
271090
28991
29991
30991
31991

Chance of precipitation in December

Any precipitation

Baucau gets around 308 mm of rain over 26.6 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 86% and peaks near 91% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
174
275
376
477
579
680
781
882
983
1084
1185
1286
1387
1487
1588
1688
1788
1889
1989
2089
2189
2289
2389
2489
2590
2690
2790
2890
2990
3091
3191

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
16877
26877
35878
45869
548610
648610
738611
838512
928513
1028513
1128414
1228315
1318415
1418316
1518316
1618316
1718217
1818217
1908317
2008317
2108317
2208317
2308317
2408218
2508317
2608317
2708317
2808317
2908317
3008416
3108416

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 8 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
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 30 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 6:10 AM to 6:23 AM, and sunset from 6:38 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:106:38
212.56:106:38
312.56:116:39
412.56:116:39
512.56:116:40
612.56:126:40
712.56:126:41
812.56:126:41
912.56:136:42
1012.56:136:42
1112.56:146:43
1212.56:146:43
1312.56:146:44
1412.56:156:44
1512.56:156:45
1612.56:166:45
1712.56:166:46
1812.56:166:46
1912.56:176:47
2012.56:176:47
2112.56:186:47
2212.56:186:48
2312.56:196:48
2412.56:196:49
2512.56:206:49
2612.56:206:50
2712.56:216:50
2812.56:216:51
2912.56:226:51
3012.56:226:52
3112.56:236:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.92 kWh/m².

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 7.23 kWh/m² in October across the year — December's 5.92 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.3Intense
56.3Intense
66.2Intense
76.2Intense
86.2Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Baucau

In seasonPeak

In December, Baucau sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.

Baucau sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Baucau's monsoon runs November–April, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Baucau?

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

3.3
Sightseeing
12th-best month of the year
4.2
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Baucau.

What to pack for Baucau in December

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

In December, Baucau sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Baucau 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 14 km away) is warmest in December at about 30°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°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug27Warm
Sep27Warm
Oct28Tropical
Nov30Tropical
Dec30Tropical

UV index in Baucau 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 Baucau peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 22UV 15Jul 11UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov14Extreme
Dec12Extreme
Location & terrain

Where is Baucau?

Baucau sits at 8.5°S, 126.5°E, 442 m above sea level, in Timor Leste. The nearest listed city is Venilale, 20 km away.

VenilaleLospalosDiliAileuGlenoLiquiçáAtsabeMaubara

Topography around Baucau

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

Within 3 km, the terrain around Baucau has significant variations in elevation — a maximum elevation change of 460 m around an average of 361 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 845 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,299 m.

The land around Baucau is covered by grassland (52%) and trees (37%) within 3 km, water (37%), trees (30%) and grassland (28%) within 16 km, and water (61%) and trees (32%) within 80 km.

3 km
460 m
16 km
845 m
80 km
2,299 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Venilale 20 km · Lospalos 60 km · Dili 98 km · Aileu 102 km · Gleno 116 km · Liquiçá 123 km · Atsabe 127 km · Maubara 138 km

Timor Leste travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / F / I
220 V · 50 Hz
Prices
≈ 28% of US
price level, 2025
GDP per capita
$1,341
2025
Homicide rate
4.1
per 100k, 2015
Road deaths
11.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Catholic 91%other 7%Protestant Evangelical 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 Baucau (-8.4757°, 126.4563°, elevation 442 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).