Climate Insights for Portoviejo

The climate in Portoviejo is hot. The average annual temperature is 25°C and approximately 1067mm of precipitation falls per year. February is the wettest month, receiving around 262mm 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 9°C range. The warmest month is April, when average highs reach 30°C and the mean temperature sits around 26°C. August 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 moderately rainy area, receiving approximately 1067mm of precipitation annually, which averages out to around 89mm per month. The wettest month is February, averaging 262mm of rainfall. March and April also tend to see above-average precipitation. The driest month is August, with just 6mm. That's 256mm 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 October, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, 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 autumn in Portoviejo, which began on March 20, 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 April at around 30°C, while the coldest stretch bottoms out in August near 21°C. Winter is next, beginning on June 21, 2026 — 4 days from now.

The best time to visit Portoviejo is during July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 11mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 30°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.