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Silves Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Silves.
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Climate overview of Silves
Silves, Algarve, Portugal, sees big temperature differences between seasons, with August peaking at 30°C (86°F) and January dropping to 16°C (61°F).
The city receives around 508 mm (20 in) of rainfall per year. It experiences a distinct dry season from May to September, with very warm summers and mild winters. December is the wettest month and July the driest. The sunniest month is July, with 12.4 hours of sunshine per day on average.
Silves Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Silves - and find the best time to visit.
Monthly Temperature in Silves
Visitors to Silves can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in August to a moderate 16°C (61°F) in January.
Nighttime temperatures range from 18°C (64°F) in August to 8°C (46°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Silves
Generally, Silves experiences moderate precipitation patterns, averaging 508 mm (20 in) yearly. The seasons in Silves bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 80 mm (3.1 in) of precipitation. This rainfall is distributed across 12 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 1.5 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 Silves 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 Silves
In Silves, summer days are longer and more sunny, with daily sunshine hours peaking at 12.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.2 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Praia da Rocha, Portugal (8 KM, 5 Miles).
Daily hours of sunshine
Data from: Praia da Rocha, Portugal (8 KM, 5 Miles).
Water Temperature in Silves
The mean water temperature over the year ranges from 15°C (59°F) in February to 20°C (68°F) in July.
Water temperature over the year
Data from: Praia da Rocha, Portugal (8 KM, 5 Miles).
Humidity in Silves by Month
The relative humidity is high throughout the year in Silves.
The city experiences its highest humidity in December, reaching 77%. In July, the humidity drops to its lowest level at 57%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Praia da Rocha, Portugal (8 KM, 5 Miles).
Wind Speed in Silves
The average wind speed over the year ranges from 3 m/s (6 knots) to 4 m/s (8 knots). It is lower in July, August, September and October and higher in January, February, March, April, May, June, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Praia da Rocha, Portugal (8 KM, 5 Miles).
Best Time to Visit Silves
For comfortable weather, consider visiting Silves in April, May, June, September and October. Conditions are usually least favourable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
good
Feb
good
Mar
very good
Apr
excellent
May
excellent
Jun
excellent
Jul
very good
Aug
very good
Sep
excellent
Oct
excellent
Nov
very good
Dec
good
- Best overall: April, May, June, September and October
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: June, July, August and September
- Best for swimming: July, August, September and October, with water temperatures around 20°C (68°F).
- Seasonal pattern: A distinct dry season from May to September, with very warm summers and mild winters
Frequently asked questions about the climate in Silves
What is the best time to visit Silves?
April, May, June, September and October typically offer the most optimal weather in Silves. In contrast, January, February and December tend to have less optimal conditions. Silves has a distinct dry season from May to September, with very warm summers and mild winters.
What temperatures can I expect in Silves?
Daytime highs range from 16°C (61°F) in January to 30°C (86°F) in August. Nighttime lows range from 8°C (46°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Silves get?
Annual rainfall is around 508 mm (20 in). December is the wettest month with 80 mm (3.1 in), while July is the driest with 1.5 mm (0.1 in).
How sunny is Silves?
Silves receives around 2,956 hours of sunshine per year. July is the sunniest month with 371 hours, while December is the cloudiest with just 156 hours. Overall, Silves enjoys abundant sunshine.
Silves 3-Day Forecast
Silves on the map
Silves is highlighted - select any city to see its climate.
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