Portosin Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Portosin.
Climate overview of Portosin
The climate in Portosin, Galicia, Spain, is marked by large temperature swings across the seasons, ranging from 25°C (77°F) in August to 14°C (57°F) in January.
The city has a wet climate, receiving around 1536 mm (60 in) of rainfall per year. Despite the high annual total, it has a distinct rainy season from October to January, with warm summers and mild winters. November is the wettest month. Sunshine peaks in July, when the city sees around 8.2 hours of sunshine per day.
Portosin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Portosin - and find the best time to visit.
Monthly Temperature in Portosin
In Portosin, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 25°C (77°F) in August to a moderate 14°C (57°F) in January.
Nighttime temperatures range from 16°C (61°F) in August to 7°C (45°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Portosin
Portosin experiences significant rainfall throughout the year, averaging 1536 mm (60 in) of precipitation annually. The seasons in Portosin bring significant changes in precipitation. The wettest month, November, receives heavy rainfall, with an average of 193 mm (7.6 in) of precipitation. This rainfall is distributed across 19 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 39 mm (1.5 in) over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Portosin 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 Portosin
In Portosin, summer days are longer and more sunny, with daily sunshine hours peaking at 8.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.8 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Portosin by Month
The relative humidity is high throughout the year in Portosin.
The city experiences its highest humidity in November, reaching 86%. In June, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Portosin
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, August and September
- Most sunshine: July and August
- Fewest rainy days: July and August
- Seasonal pattern: A distinct rainy season from October to January, with warm summers and mild winters
Frequently asked questions about the climate in Portosin
What is the best time to visit Portosin?
June, July, August and September typically offer the most optimal weather in Portosin. In contrast, January, November and December tend to have less optimal conditions. Portosin has a distinct rainy season from October to January, with warm summers and mild winters.
What temperatures can I expect in Portosin?
Daytime highs range from 14°C (57°F) in January to 25°C (77°F) in August. Nighttime lows range from 7°C (45°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Portosin get?
Annual rainfall is around 1536 mm (60 in). November is the wettest month with 193 mm (7.6 in), while July is the driest with 39 mm (1.5 in).
How sunny is Portosin?
Portosin receives around 1,929 hours of sunshine per year. July is the sunniest month with 245 hours, while December is the cloudiest with just 84 hours.
Portosin 3-Day Forecast
Portosin on the map
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