Ngerulmud weather in December

In December, Ngerulmud sees average daytime highs of 28°C and overnight lows near 26°C, with 265 mm of rain across 26.1 wet days and about 11.6 hours of daylight. It is the 3rd-warmest and 6th-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 17% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 36 min at the start of December to 11 h 36 min by month's end. Set against the rest of the year, December is Ngerulmud's 5th-clearest and 4th-windiest month. For the whole year in context, see Ngerulmud's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
26°
9th coldest
Rainfall
265 mm
26.1 wet days
Daylight
11 h 36 min
6:11 AM – 5:45 PM
Cloud cover
73%
5th clearest
Wind
21 km/h
4th windiest
Solar energy
4.69 kWh/m²
Travel score
3.8
out of 10

Ngerulmud is capital of Palau.

Founded
2006

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 Ngerulmud reaches about 28°C in the afternoon and slips back to 26°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)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How December really feels in Ngerulmud

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.

Ngerulmud weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°22322.111.64.5
Feb27° / 26°19419.111.84.8
Mar28° / 26°15218.411.95.1
Apr28° / 26°17020.312.24.7
May28° / 26°26925.812.33.7
Jun28° / 26°3372812.43.4
Jul28° / 26°3412712.43.7
Aug28° / 26°27625.212.24.0
Sep28° / 26°27024.2124.1
Oct28° / 26°25424.911.83.9
Nov28° / 26°25425.511.73.7
Dec28° / 26°26526.111.63.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33169
43169
53169
63268
73268
83268
93268
103268
113268
123268
133169
143169
153169
163070
172971
182971
192773
202773
212773
222773
232773
242674
252872
262872
272971
282971
293070
303070
313070

Chance of precipitation in December

Any precipitation

Ngerulmud gets around 265 mm of rain over 26.1 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 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
385
485
585
685
785
885
985
1085
1185
1285
1385
1485
1585
1685
1785
1885
1985
2084
2184
2284
2383
2483
2582
2681
2780
2880
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 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11684
21684
31684
41684
51783
61783
71783
81882
91882
101981
111981
122080
132080
142179
152179
162278
172278
182377
192377
202476
212476
222575
232674
242773
252872
262971
272971
283070
293169
303268
313367

Wind in December

Winds average 21 km/h in December.

Across December, daily wind ranges from about 19 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120breezy
1220breezy
1320breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy
3123breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 36 min at the start of December to 11 h 36 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 6:03 AM to 6:18 AM, and sunset from 5:39 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:035:39
211.66:045:39
311.66:045:40
411.66:055:40
511.66:055:40
611.66:065:41
711.66:065:41
811.66:075:41
911.66:075:42
1011.66:085:42
1111.66:085:43
1211.66:095:43
1311.66:095:43
1411.66:105:44
1511.66:105:44
1611.66:115:45
1711.66:115:45
1811.66:125:46
1911.66:125:46
2011.66:135:46
2111.66:135:47
2211.66:145:47
2311.66:145:48
2411.66:145:48
2511.66:155:49
2611.66:155:49
2711.66:165:50
2811.66:165:50
2911.66:175:51
3011.66:175:51
3111.66:185:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.69 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 6.03 kWh/m² in April across the year — December's 4.69 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Ngerulmud

In seasonPeak

In December, Ngerulmud sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Ngerulmud sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Ngerulmud?

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

3.8
Sightseeing
8th-best month of the year
4.3
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Ngerulmud.

What to pack for Ngerulmud in December

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

In December, Ngerulmud sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 26 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Ngerulmud 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 14 km away) is warmest in June at about 30°C and coldest in February near 28°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
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Ngerulmud in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ngerulmud peaks around March 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 23UV 15Dec 14UV 11
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct14Extreme
Nov11Extreme
Dec11Extreme
Location & terrain

Where is Ngerulmud?

Ngerulmud sits at 7.5°N, 134.6°E, 72 m above sea level, in Palau. The nearest listed city is Koror, 24 km away.

Koror

Topography around Ngerulmud

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

Within 3 km, the terrain around Ngerulmud has only modest variations in elevation — a maximum elevation change of 97 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 230 m; within 80 km, only modest variations in elevation — a maximum elevation change of 224 m.

The land around Ngerulmud is covered by water (46%) and trees (37%) within 3 km, water (61%) and trees (32%) within 16 km, and water (96%) within 80 km.

3 km
97 m
16 km
230 m
80 km
224 m
treesgrasslandartificial surfaceswatermangroves
December weather nearby: Koror 24 km · Manay 892 km · Hinatuan 918 km · Bislig 918 km · Daruba 927 km · Mati 929 km · Manokwari 932 km · Tagbina 937 km

Palau travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$19,532
2025
Safe drinking water
91%
of population, 2024
Homicide rate
11.2
per 100k, 2018
Road deaths
4.8
per 100k/yr, 2013
Income group
High
World Bank
Religion
Roman Catholic 47%Protestant 31%other 12%Modekngei 5%

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 Ngerulmud (7.5008°, 134.6238°, elevation 72 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).