Weather in Gustavia in December 2025
Average weather
Average temperature in Gustavia in December
Going from a maximum of +84°F during the day to a minimum of +73°F during the night, the temperature in December averages around +82°F.
The average maximum temperature goes down 17% by the end of the month, compared with the beginning of the month, from +84°F to +82°F.
Is Gustavia warm or cold in December?
Gustavia is typically warm in December.
Maximum temperatures go up compared to the previous month from +82°F to +82°F. The minimum temperature also goes down from +79°F to +77°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how December is compared to other months in Gustavia:
Climate in Gustavia in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +82°F | +82°F | +81°F | ||||
| Min. temperature | ||||||
| +72°F | +70°F | +72°F | ||||
| Max. temperature | ||||||
| +91°F | +90°F | +88°F | ||||
| Rainfall | ||||||
| 112 mm | 50 mm | 33 mm | ||||
| Wind | ||||||
| 5 m/s | 6 m/s | 6 m/s | ||||
| Humidity | ||||||
| 80% | 78% | 77% | ||||
| Air pressure | ||||||
| 1012 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 3 | 4 | 6 | ||||
| Cloudy days | ||||||
| 2 | 4 | 3 | ||||
| Rainy days | ||||||
| 24 | 23 | 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 +82°F for average maximum temperature during the day. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 112 mm to 50 mm. It feels drier, as humidity decreases from 80% to 78%. 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 3 to 4.
But maybe it is worth considering traveling in January as the weather gets better.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Gustavia is gradually decreasing during December, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last December in Gustavia?
Climate Change Over the Years
The climate in Gustavia in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+80°F) and the highest in 2024 (+86°F). The driest year was 1994 with only 353 mm of rainfall, and the wettest year was 2024 with 1787 mm.
FAQ
Is December a good time to visit Gustavia?
Can you sunbathe in Gustavia in December?
Is Gustavia rainy in December?
Is it sunny in Gustavia in December?
Monthly weather in Gustavia
Source of the data
For this page, we’ve looked at the typical weather in Gustavia, 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.
