São Mateus Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit São Mateus.
Climate overview of São Mateus
The climate in São Mateus, Azores, Portugal, sees a moderate range of temperatures across the year, from 24°C (75°F) in August down to 17°C (63°F) in March.
The city receives around 914 mm (36 in) of rainfall per year. It experiences a distinct dry season from July to August. December is the wettest month and July the driest.
São Mateus Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in São Mateus - and find the best time to visit.
Monthly Temperature in São Mateus
In São Mateus, seasonal changes bring about a moderate variation in temperatures. On average, daytime temperatures range from a comfortable 24°C (75°F) in August to a moderate 17°C (63°F) in March.
Nighttime temperatures range from 21°C (70°F) in August to 14°C (57°F) in March.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in São Mateus
On average, São Mateus receives a reasonable amount of rainfall, with an annual precipitation of 914 mm (36 in). The seasons in São Mateus bring significant changes in precipitation. The wettest month, December, receives high rainfall, with an average of 129 mm (5.1 in) of precipitation. This rainfall is distributed across 19 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 30 mm (1.2 in) over 12 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our São Mateus Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit São Mateus
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August, September and November
- Warmest weather: July, August and September
- Seasonal pattern: A distinct dry season from July to August
Frequently asked questions about the climate in São Mateus
What is the best time to visit São Mateus?
June, July, August, September and November typically offer the most optimal weather in São Mateus. In contrast, January tends to have less optimal conditions. São Mateus has a distinct dry season from July to August.
What temperatures can I expect in São Mateus?
Daytime highs range from 17°C (63°F) in March to 24°C (75°F) in August. Nighttime lows range from 14°C (57°F) to 21°C (70°F).
How much rain does São Mateus get?
Annual rainfall is around 914 mm (36 in). December is the wettest month with 129 mm (5.1 in), while July is the driest with 30 mm (1.2 in).
São Mateus 3-Day Forecast
São Mateus on the map
São Mateus is highlighted - select any city to see its climate.
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