Vales Mortos Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Vales Mortos.
Climate overview of Vales Mortos
Vales Mortos, Alentejo, Portugal, experiences significant temperature variation throughout the year. Summers bring daytime highs of 34°C (93°F) in July, while winters cool to 16°C (61°F) in January.
The city has a relatively dry climate, receiving around 475 mm (19 in) of rainfall per year. It does experience a distinct dry season from May to September, with very warm summers and mild winters. October is the wettest month and July the driest. The most sunshine falls in July, with an average of 12.3 hours of daily sunshine.
Vales Mortos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Vales Mortos - and find the best time to visit.
Monthly Temperature in Vales Mortos
Depending on the time of the year, temperatures range from very warm to moderate in Vales Mortos. On average, daytime temperatures range from a very warm 34°C (93°F) in July to a moderate 16°C (61°F) in January.
Nighttime temperatures range from 19°C (66°F) in July to 6°C (43°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Vales Mortos
Vales Mortos maintains relatively dry conditions year-round, recording average annual precipitation of 475 mm (19 in). The seasons in Vales Mortos bring significant changes in precipitation. The wettest month, October, receives moderate rainfall, with an average of 67 mm (2.6 in) of precipitation. This rainfall is distributed across 9 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 1.9 mm (0.1 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Vales Mortos 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 Vales Mortos
In Vales Mortos, summer days are longer and more sunny, with daily sunshine hours peaking at 12.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Vales Mortos by Month
The relative humidity is high throughout the year in Vales Mortos.
The city experiences its highest humidity in January, reaching 81%. In July, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Vales Mortos
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, October and November
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July and August
- Seasonal pattern: A distinct dry season from May to September, with very warm summers and mild winters
Frequently asked questions about the climate in Vales Mortos
What is the best time to visit Vales Mortos?
March, April, May, October and November typically offer the most optimal weather in Vales Mortos. In contrast, July and August tend to have less optimal conditions. Vales Mortos has a distinct dry season from May to September, with very warm summers and mild winters.
What temperatures can I expect in Vales Mortos?
Daytime highs range from 16°C (61°F) in January to 34°C (93°F) in July. Nighttime lows range from 6°C (43°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Vales Mortos get?
Annual rainfall is around 475 mm (19 in). October is the wettest month with 67 mm (2.6 in), while July is the driest with 1.9 mm (0.1 in).
How sunny is Vales Mortos?
Vales Mortos receives around 2,932 hours of sunshine per year. July is the sunniest month with 370 hours, while December is the cloudiest with just 148 hours. Overall, Vales Mortos enjoys abundant sunshine.
Vales Mortos 3-Day Forecast
Vales Mortos 3-Day Forecast
Vales Mortos on the map
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