Waingapu weather in December

In December, Waingapu sees average daytime highs of 30°C and overnight lows near 23°C, with 285 mm of rain across 26.4 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 7% 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 36 min by month's end. Set against the rest of the year, December is Waingapu's 10th-clearest and 11th-windiest month. For the whole year in context, see Waingapu's year-round climate.

Daytime high
30°
4th warmest
Overnight low
23°
12th coldest
Rainfall
285 mm
26.4 wet days
Daylight
12 h 36 min
5:38 AM – 6:12 PM
Cloud cover
83%
10th clearest
Wind
6 km/h
11th windiest
Solar energy
5.9 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 30°C through the month.

A typical December day in Waingapu reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in Waingapu

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.

Waingapu weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°32527.512.53.1
Feb29° / 23°30225.812.33.1
Mar29° / 23°25726.112.13.3
Apr29° / 22°13618.911.84.1
May29° / 22°4911.611.65.2
Jun29° / 21°226.511.46.1
Jul29° / 20°164.311.56.5
Aug29° / 20°72.211.76.5
Sep31° / 21°163.411.95.6
Oct32° / 22°448.112.24.6
Nov31° / 23°13918.512.43.5
Dec30° / 23°28526.412.63.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32377
42278
52179
62179
72179
81882
91882
101882
111882
121882
131882
141783
151783
161783
171684
181684
191585
201585
211585
221585
231486
241486
251486
261486
271486
281486
291486
301486
311486

Chance of precipitation in December

Any precipitation

Waingapu gets around 285 mm of rain over 26.4 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 84% and peaks near 88% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
184
285
386
486
587
687
788
888
988
1087
1187
1286
1386
1485
1584
1684
1783
1883
1982
2082
2182
2282
2382
2482
2582
2682
2783
2883
2984
3084
3184

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
13943
22953
32944
42944
52944
62944
71954
81954
92944
102944
112944
122944
132935
142935
153925
163934
173934
183934
193934
203934
213934
223934
233934
243934
253934
263934
273934
282953
292953
302953
312953

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:33 AM to 5:45 AM, and sunset from 6:04 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:336:04
212.55:336:05
312.55:346:05
412.55:346:06
512.55:346:06
612.55:346:07
712.55:356:07
812.55:356:08
912.55:366:08
1012.65:366:09
1112.65:366:09
1212.65:376:10
1312.65:376:10
1412.65:376:11
1512.65:386:11
1612.65:386:12
1712.65:396:12
1812.65:396:13
1912.65:406:13
2012.65:406:14
2112.65:416:14
2212.65:416:15
2312.65:416:15
2412.65:426:16
2512.65:426:16
2612.65:436:17
2712.65:436:17
2812.65:446:18
2912.65:446:18
3012.65:456:18
3112.65:456:19

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.9 kWh/m².

For context, solar energy here swings from a low near 5 kWh/m² to a high of 7.12 kWh/m² in October across the year — December's 5.9 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.0Intense
96.0Intense
106.0Intense
116.0Bright
126.0Bright
136.0Bright
146.0Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in December

Hazard calendar for Waingapu

In seasonPeak

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

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

Waingapu's monsoon runs December–March, 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 Waingapu?

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

December is a weaker month for outdoor sightseeing in Waingapu.

What to pack for Waingapu in December

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

In December, Waingapu sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Waingapu 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 at the nearest coast (about 13 km away) is warmest in December at about 29°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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep27Warm
Oct28Tropical
Nov29Tropical
Dec29Tropical

UV index in Waingapu 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 Waingapu peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 21UV 15Jul 10UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug12Extreme
Sep14Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Waingapu?

Waingapu sits at 9.7°S, 120.3°E, 26 m above sea level, in Indonesia. The nearest listed city is Tambolaka, 115 km away.

Sumbawa Besar

Topography around Waingapu

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

Within 3 km, the terrain around Waingapu has only modest variations in elevation — a maximum elevation change of 92 m around an average of 23 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 670 m; within 80 km, large variations in elevation — a maximum elevation change of 1,192 m.

The land around Waingapu is covered by grassland (31%) and trees (28%) within 3 km, grassland (52%) and water (30%) within 16 km, and water (54%) and grassland (27%) within 80 km.

3 km
92 m
16 km
670 m
80 km
1,192 m
treesgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Tambolaka 115 km · Ruteng 118 km · Labuan Bajo 135 km · Ende 178 km · Bima 215 km · Dompu 234 km · Maumere 243 km · Sumbawa Besar 338 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 Waingapu (-9.6567°, 120.2641°, 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. 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).