Willemstad weather in December

In December, Willemstad sees average daytime highs of 27°C and overnight lows near 26°C, with 84 mm of rain across 18 wet days and about 11.3 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 52% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 18 min at the start of December to 11 h 18 min by month's end. Set against the rest of the year, December is Willemstad's 3rd-clearest and 9th-windiest month. For the whole year in context, see Willemstad's year-round climate.

Daytime high
27°
8th warmest
Overnight low
26°
4th coldest
Rainfall
84 mm
18 wet days
Daylight
11 h 18 min
6:53 AM – 6:10 PM
Cloud cover
46%
3rd clearest
Wind
29 km/h
9th windiest
Solar energy
4.91 kWh/m²
Travel score
5.6
out of 10

Willemstad is capital city of Curaçao.

Density
868/km²
people per km²
Founded
1634

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 27°C through the month.

A typical December day in Willemstad reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12726
22726
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232726
242726
252726
262726
272726
282726
292726
302726
312726

How December really feels in Willemstad

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.

Willemstad weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°4612.911.46.7
Feb26° / 25°237.511.67.3
Mar26° / 25°206.111.97.4
Apr27° / 26°306.912.36.8
May27° / 26°378.412.66.5
Jun27° / 27°431212.76.0
Jul27° / 26°4412.512.66.2
Aug28° / 27°4612.512.45.9
Sep28° / 27°661512.15.0
Oct28° / 27°1102111.74.4
Nov28° / 26°1502311.44.5
Dec27° / 26°841811.35.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36139
46238
56337
66337
76436
86436
96535
106535
116634
126634
136733
146832
156832
166832
176931
186931
197030
207129
217129
227129
237228
247327
257327
267426
277525
287525
297723
307723
317921

Chance of precipitation in December

Any precipitation

Willemstad gets around 84 mm of rain over 18 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 58% and peaks near 68% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
168
268
367
466
566
665
764
863
962
1062
1161
1260
1359
1459
1558
1657
1756
1856
1955
2055
2155
2254
2354
2454
2553
2653
2752
2852
2951
3051
3150

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
106733
216831
317029
417128
517326
617425
717623
817722
917821
1017920
1118019
1218019
1318118
1428117
1528216
1628216
1728315
1828315
1928414
2028414
2128513
2228612
2328612
2428711
2528810
262899
272899
282908
292917
302926
312935

Wind in December

Winds average 29 km/h in December.

Across December, daily wind ranges from about 27 km/h on the calmest days to 30 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
127breezy
227breezy
327breezy
427breezy
527breezy
628breezy
728breezy
828breezy
928breezy
1028breezy
1128breezy
1228breezy
1329breezy
1429breezy
1529breezy
1629breezy
1729windy
1829windy
1929windy
2029windy
2129windy
2230windy
2330windy
2430windy
2530windy
2630windy
2730windy
2830windy
2930windy
3030windy
3130windy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 18 min at the start of December to 11 h 18 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 6:45 AM to 7:00 AM, and sunset from 6:05 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:456:05
211.36:466:06
311.36:466:06
411.36:476:06
511.36:476:07
611.36:486:07
711.36:486:07
811.36:496:07
911.36:496:08
1011.36:506:08
1111.36:506:08
1211.36:516:09
1311.36:516:09
1411.36:526:10
1511.36:526:10
1611.36:536:10
1711.36:536:11
1811.36:546:11
1911.36:546:12
2011.36:556:12
2111.36:556:13
2211.36:566:13
2311.36:566:14
2411.36:576:14
2511.36:576:15
2611.36:586:15
2711.36:586:16
2811.36:596:16
2911.36:596:17
3011.36:596:17
3111.37:006:18

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.91 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 6.52 kWh/m² in August across the year — December's 4.91 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Willemstad

In seasonPeak

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

Willemstad sits in the Atlantic hurricane belt; the season peaks August–October.

Willemstad's rainy season runs October–December, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Willemstad?

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

5.6
Sightseeing
9th-best month of the year
5.7
Beach & pool
10th-best month of the year

December is a reasonable time to visit Willemstad for sightseeing.

What to pack for Willemstad in December

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

In December, Willemstad sees daytime highs around 27°C and nights near 26°C. Pack light clothes, rain gear and a windbreaker. Worth having: sun protection. About 18 days see rain.

light clothesrain geara windbreakersun protection

Sea temperature near Willemstad in December

The nearest coast averages about 28°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 October at about 29°C and coldest in February 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
Jan27Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun28Warm
Jul28Warm
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Willemstad in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Willemstad peaks around March 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 highMar 19UV 13Dec 13UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Willemstad in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Willemstad is worst in June — around 32 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 11 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1531 µg/m³Jan 111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar14Moderate
Apr21Moderate
May26Moderate
Jun32Moderate
Jul26Moderate
Aug20Moderate
Sep15Moderate
Oct14Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Willemstad?

Willemstad sits at 12.1°N, 68.9°W, 1 m above sea level, in Curacao. The nearest listed city is Bandariba, 7.0 km away.

Bandariba

Topography around Willemstad

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

Within 3 km, the terrain around Willemstad has only modest variations in elevation — a maximum elevation change of 90 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 178 m; within 80 km, significant variations in elevation — a maximum elevation change of 281 m.

The land around Willemstad is covered by artificial surfaces (66%) within 3 km, water (71%) within 16 km, and water (94%) within 80 km.

3 km
90 m
16 km
178 m
80 km
281 m
treesshrubsgrasslandartificial surfacesbare terrainwater
December weather nearby: Bandariba 7.0 km · Kralendijk 67 km · Puerto Cumarebo 87 km · La Vela de Coro 104 km · Pueblo Nuevo 114 km · Coro 117 km · Savaneta 120 km · Santa Cruz 126 km

Curacao travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / F
127 V · 50 Hz
Prices
≈ 70% of US
price level, 2024
GDP per capita
$22,833
2024
Homicide rate
16.9
per 100k, 2007
Income group
High
World Bank
Religion
Roman Catholic 73%Pentecostal 7%none 6%other 4%

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 Willemstad (12.1225°, -68.8864°, elevation 1 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).