Climate Insights for Portoscuso

The climate in Portoscuso is warm and mild. The average annual temperature is 18°C and approximately 484mm of precipitation falls per year. November is the wettest month, receiving around 99mm of rainfall. Portoscuso is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to 10°C.

Portoscuso sees moderate temperature variation throughout the year, ranging from 10°C to 29°C. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 26°C. February is the coolest month, with minimum temperatures around 10°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.

Portoscuso is a relatively dry area, receiving approximately 484mm of precipitation annually, which averages out to around 40mm per month. The wettest month is November, averaging 99mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 98mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Portoscuso is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 27km/h in winter, 25km/h in spring, 22km/h in summer, 24km/h in autumn.

It is currently spring in Portoscuso, which began on March 20, 2026. Portoscuso is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 29°C, while the coldest stretch bottoms out in February near 10°C. Summer is next, beginning on June 21, 2026 — 84 days from now.

The best time to visit Portoscuso is during April, May, June, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 45mm per month. By contrast, August can be uncomfortably hot with highs reaching 29°C, while February is the coldest period with lows dropping to 10°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Portoscuso based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.