Weather in Willemstad in December 2025
Average weather
Average temperature in Willemstad in December
The expected average maximum temperature in December is +27°C with a maximum of +28°C and a minimum of +25°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +27°C to +27°C.
Is Willemstad warm or cold in December?
Willemstad is typically warm in December.
Maximum temperatures go up compared to the previous month from +27°C to +27°C. The minimum temperature also goes down from +26°C to +25°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how December is compared to other months in Willemstad:
Climate in Willemstad in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +27°C | +27°C | +26°C | ||||
| Min. temperature | ||||||
| +24°C | +23°C | +22°C | ||||
| Max. temperature | ||||||
| +29°C | +29°C | +28°C | ||||
| Rainfall | ||||||
| 148 mm | 86 mm | 42 mm | ||||
| Wind | ||||||
| 5 m/s | 6 m/s | 7 m/s | ||||
| Humidity | ||||||
| 83% | 82% | 81% | ||||
| Air pressure | ||||||
| 1009 HPa | 1011 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 1 | 2 | 4 | ||||
| Cloudy days | ||||||
| 2 | 3 | 4 | ||||
| Rainy days | ||||||
| 26 | 25 | 22 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as ok as in November. The temperature levels stay the same in the area of +27°C for average maximum temperature during the day. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 148 mm to 86 mm. It feels drier, as humidity decreases from 83% to 82%. Winds are stronger in comparison to November, going up from 5 m/s to 6 m/s on average. The good news is there are likely to be more sunny days in December, from 1 to 2.
But maybe it is worth considering traveling in January as the weather gets better.
Wind
The average wind speed is 6 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Willemstad is gradually decreasing during December, going from 6 m/s to 4 m/s over the course of the month.
Rain
How was the weather last December in Willemstad?
Climate Change over Years
The climate in Willemstad in December has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+26°C) and the highest in 2024 (+28°C). The driest year was 2019 with only 303 mm of rainfall, and the wettest year was 2010 with 1534 mm.
FAQ
Is December a good time to visit Willemstad?
Can you sunbathe in Willemstad in December?
Is Willemstad rainy in December?
Is it sunny in Willemstad in December?
Monthly weather in Willemstad
Source of the data
For this page, we’ve looked at the typical weather in Willemstad, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
