Going from a maximum of +77°F during the day to a minimum of +72°F during the night, the temperature in December averages around +75°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +75°F to +75°F.
Sal is typically warm in December.
Maximum temperatures go down compared to the previous month from +77°F to +73°F. The minimum temperature also goes down from +75°F to +72°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 Sal:
November | December | January | ||||
---|---|---|---|---|---|---|
Avg. temperature | ||||||
+77°F | +73°F | +72°F | ||||
Min. temperature | ||||||
+70°F | +66°F | +64°F | ||||
Max. temperature | ||||||
+84°F | +79°F | +77°F | ||||
Rainfall | ||||||
3 mm | 2 mm | 4 mm | ||||
Wind | ||||||
5 m/s | 6 m/s | 6 m/s | ||||
Humidity | ||||||
78% | 75% | 75% | ||||
Air pressure | ||||||
1013 HPa | 1014 HPa | 1015 HPa | ||||
Sunny days | ||||||
6 | 9 | 10 | ||||
Cloudy days | ||||||
22 | 21 | 19 | ||||
Rainy days | ||||||
2 | 1 | 2 | ||||
Snowy days | ||||||
0 | 0 | 0 |
December weather is still as good as in November. It’s getting colder in December. From +77°F in the day, the average maximum temperature lowers to +73°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 3 mm to 2 mm. It feels drier, as humidity decreases from 78% to 75%. 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 6 to 9.
January brings much the same weather, it remains good.
The average wind speed is 6 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Sal is gradually increasing during December, going from 4 m/s to 5 m/s over the course of the month.
The climate in Sal in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1986 (+72°F) and the highest in 2023 (+76°F). The driest year was 1983 with only 11 mm of rainfall, and the wettest year was 2009 with 183 mm.
For this page, we’ve looked at the typical weather in Sal, 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.