Santo Tirso Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santo Tirso.
Climate overview of Santo Tirso
Santo Tirso, Norte Region, Portugal, sees big temperature differences between seasons, with August peaking at 27°C (81°F) and January dropping to 14°C (57°F).
The city has a wet climate, receiving around 1436 mm (57 in) of rainfall per year. Despite the high annual total, it has distinct dry (July to August) and wet (October to January) seasons, with warm summers and mild winters. October is the wettest month. Sunshine peaks in July, when the city sees around 10.2 hours of sunshine per day.
Santo Tirso Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santo Tirso - and find the best time to visit.
Monthly Temperature in Santo Tirso
Visitors to Santo Tirso can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 27°C (81°F) in August to a moderate 14°C (57°F) in January.
Nighttime temperatures range from 17°C (63°F) in August to 6°C (43°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santo Tirso
Santo Tirso is known for its substantial rainfall, with annual precipitation reaching 1436 mm (57 in). The seasons in Santo Tirso bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 188 mm (7.4 in) of precipitation. This rainfall is distributed across 14 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 28 mm (1.1 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Santo Tirso 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 Tirso
In Santo Tirso, summer days are longer and more sunny, with daily sunshine hours peaking at 10.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 4.1 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
Water Temperature in Santo Tirso
The mean water temperature over the year ranges from 13°C (55°F) in February to 18°C (64°F) in August.
Water temperature over the year
Humidity in Santo Tirso by Month
The relative humidity is high throughout the year in Santo Tirso.
The city experiences its highest humidity in January, reaching 81%. In July, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Santo Tirso
The mean wind speed varies between 4 m/s (8 knots) and 5 m/s (10 knots) throughout the year. It is lowest in June, July, August, September and October and highest during January, February, March, April, May, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Santo Tirso
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 and September
- Warmest weather: July and August
- Most sunshine: July and August
- Fewest rainy days: July and August
- Warmest water temperature: July, August, September and October, although the water may still feel cool.
- Seasonal pattern: Distinct dry (July to August) and wet (October to January) seasons, with warm summers and mild winters
Frequently asked questions about the climate in Santo Tirso
What is the best time to visit Santo Tirso?
June, July, August and September typically offer the most optimal weather in Santo Tirso. In contrast, November and December tend to have less optimal conditions. Santo Tirso has distinct dry (July to August) and wet (October to January) seasons, with warm summers and mild winters.
What temperatures can I expect in Santo Tirso?
Daytime highs range from 14°C (57°F) in January to 27°C (81°F) in August. Nighttime lows range from 6°C (43°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Santo Tirso get?
Annual rainfall is around 1436 mm (57 in). October is the wettest month with 188 mm (7.4 in), while July is the driest with 28 mm (1.1 in).
How sunny is Santo Tirso?
Santo Tirso receives around 2,465 hours of sunshine per year. July is the sunniest month with 307 hours, while January is the cloudiest with just 122 hours. Overall, Santo Tirso enjoys abundant sunshine.
Santo Tirso 3-Day Forecast
Santo Tirso 3-Day Forecast
Santo Tirso on the map
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