Climate Insights for Portovelo

The climate in Portovelo is warm and mild. The average annual temperature is 21°C and approximately 4280mm of precipitation falls per year. Portovelo receives a notable amount of rainfall throughout the year, including during its driest month. Portovelo sits near the equator, so seasonal temperature differences are minimal throughout the year.

Portovelo has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is April, when average highs reach 26°C and the mean temperature sits around 21°C. August is the coolest month, with minimum temperatures around 16°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Portovelo is a very wet location, receiving approximately 4280mm of precipitation annually, which averages out to around 357mm per month. The wettest month is March, averaging 779mm of rainfall. February and April also tend to see above-average precipitation. The driest month is August, with just 90mm. That's 689mm less than March, 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.

Portovelo is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently autumn in Portovelo, which began on March 20, 2026. Portovelo sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 26°C, while the coldest stretch bottoms out in August near 16°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Portovelo is during August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 90mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 26°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Portovelo 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.