Alcácer do Sal Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Alcácer do Sal.
Climate overview of Alcácer do Sal
Temperatures in Alcácer do Sal, Alentejo, Portugal, vary greatly throughout the year. August is the hottest month at 31°C (88°F), while January is the coldest at 16°C (61°F).
Annual rainfall is moderate at around 553 mm (22 in), with December being the wettest month. The city also has a distinct dry season from June to September, with very warm summers and mild winters. Sunshine peaks in July, when the city sees around 11.7 hours of sunshine per day.
Alcácer do Sal Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Alcácer do Sal - and find the best time to visit.
Monthly Temperature in Alcácer do Sal
The climate in Alcácer do Sal is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very warm 31°C (88°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 16°C (61°F).
At night, temperatures range from around 17°C (63°F) in August to 7°C (45°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Alcácer do Sal
Generally, Alcácer do Sal receives mid-range precipitation levels, with 553 mm (22 in) annually. Alcácer do Sal can be quite wet during December, receiving approximately 76 mm (3 in) of precipitation over 13 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 2.6 mm (0.1 in) of precipitation spread across a single rainy day. For more details, please visit our Alcácer do Sal Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Alcácer do Sal
Alcácer do Sal can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Alcácer do Sal
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March, April, May, June, September and October
- Warmest weather: July and August
- Most sunshine: July and August
- Fewest rainy days: July and August
- Seasonal pattern: A distinct dry season from June to September, with very warm summers and mild winters
Frequently asked questions about the climate in Alcácer do Sal
What is the best time to visit Alcácer do Sal?
March, April, May, June, September and October typically offer the most optimal weather in Alcácer do Sal. In contrast, January, February and December tend to have less optimal conditions. Alcácer do Sal has a distinct dry season from June to September, with very warm summers and mild winters.
What temperatures can I expect in Alcácer do Sal?
Daytime highs range from 16°C (61°F) in January to 31°C (88°F) in August. Nighttime lows range from 7°C (45°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Alcácer do Sal get?
Annual rainfall is around 553 mm (22 in). December is the wettest month with 76 mm (3 in), while July is the driest with 2.6 mm (0.1 in).
How sunny is Alcácer do Sal?
Alcácer do Sal receives around 2,828 hours of sunshine per year. July is the sunniest month with 352 hours, while December is the cloudiest with just 141 hours. Overall, Alcácer do Sal enjoys abundant sunshine.
Alcácer do Sal 3-Day Forecast
Alcácer do Sal on the map
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