Climate Insights for Portoviejo

The climate in Portoviejo is hot. The average annual temperature is 26°C and approximately 1240mm of precipitation falls per year. February is the wettest month, receiving around 341mm of rainfall. Portoviejo sits near the equator, so seasonal temperature differences are minimal throughout the year.

Portoviejo has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is May, when average highs reach 31°C and the mean temperature sits around 26°C. November is the coolest month, with minimum temperatures around 21°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Portoviejo is a fairly wet location, receiving approximately 1240mm of precipitation annually, which averages out to around 103mm per month. The wettest month is February, averaging 341mm of rainfall. April and March also tend to see above-average precipitation. The driest month is October, with just 2mm. That's 339mm less than February, 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.

Portoviejo is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently winter in Portoviejo, which began on June 21, 2026. Portoviejo sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in May at around 31°C, while the coldest stretch bottoms out in November near 21°C. Spring is next, beginning on September 23, 2026 — 53 days from now.

The best time to visit Portoviejo is during August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 9mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 31°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Portoviejo 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.