Santo António Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santo António.
Climate overview of Santo António
Santo António, Portugal, has a moderate seasonal temperature range, with August reaching 25°C (77°F) and February cooling to 17°C (63°F).
Santo António sees a moderate amount of rainfall, totalling around 526 mm (21 in) per year. It experiences a distinct dry season from May to September, creating some seasonal variation. The most sunshine falls in August, with an average of 7.9 hours of daily sunshine.
Santo António Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santo António - and find the best time to visit.
Monthly Temperature in Santo António
The climate in Santo António experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in August, the warmest time of the year, to a moderate 17°C (63°F) during cooler months like February.
At night, you can expect temperatures ranging from 20°C (68°F) in August to around 14°C (57°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santo António
Generally, Santo António experiences moderate precipitation patterns, averaging 526 mm (21 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 85 mm (3.3 in) of precipitation, recorded across 12 rainy days. In contrast, the driest month July brings less rainfall, with 7.8 mm (0.3 in) over 3 rainy days. For more details, please visit our Santo António 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 Santo António
While the amount of sunshine in Santo António varies throughout the year, all seasons offer their own charm. Enjoy up to 7.9 hours of daily sun in August, and experience slightly darker atmosphere in December, with about 5.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Santo António
The mean water temperature over the year ranges from 18°C (64°F) in January to 23°C (73°F) in August.
Water temperature over the year
Humidity in Santo António by Month
The relative humidity is high throughout the year in Santo António.
The city experiences its highest humidity in June, reaching 73%. In March, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Santo António
The mean wind speed over the year ranges from 1 m/s (2 knots) in May, June, July, August and September to 2 m/s (4 knots) in January, February, March, April, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Santo António
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August, September, October and November
- Warmest weather: July, August and September
- Most sunshine: July and August
- Fewest rainy days: July and August
- Best for swimming: June, July, August, September, October and November.
- Seasonal pattern: A distinct dry season from May to September
Frequently asked questions about the climate in Santo António
What is the best time to visit Santo António?
May, June, July, August, September, October and November typically offer the most optimal weather in Santo António. In contrast, February tends to have less optimal conditions. Santo António has a distinct dry season from May to September.
What temperatures can I expect in Santo António?
Daytime highs range from 17°C (63°F) in February to 25°C (77°F) in August. Nighttime lows range from 14°C (57°F) to 20°C (68°F).
How much rain does Santo António get?
Annual rainfall is around 526 mm (21 in). December is the wettest month with 85 mm (3.3 in), while July is the driest with 7.8 mm (0.3 in).
How sunny is Santo António?
Santo António receives around 2,315 hours of sunshine per year. August is the sunniest month with 238 hours, while December is the cloudiest with just 152 hours. Overall, Santo António enjoys abundant sunshine.
Santo António 3-Day Forecast
Santo António 3-Day Forecast
Santo António on the map
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