Climate Insights for Nuevo Sullana

The climate in Nuevo Sullana is warm and mild. The average annual temperature is 25°C and approximately 401mm of precipitation falls per year. March is the wettest month, receiving around 189mm of rainfall. Nuevo Sullana sits near the equator, so seasonal temperature differences are minimal throughout the year.

Nuevo Sullana sees moderate temperature variation throughout the year, ranging from 17°C to 34°C. The warmest month is January, when average highs reach 34°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 17°C and an average of 22°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 2°C shift in average temperatures.

Nuevo Sullana is a relatively dry area, receiving approximately 401mm of precipitation annually, which averages out to around 33mm per month. The wettest month is March, averaging 189mm of rainfall. February and April also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 187mm 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.

Nuevo Sullana is relatively calm, with an average annual wind speed of 3km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/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 Nuevo Sullana, which began on March 20, 2026. Nuevo Sullana sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in January at around 34°C, while the coldest stretch bottoms out in August near 17°C. Winter is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Nuevo Sullana is during June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 3mm per month. By contrast, January can be uncomfortably hot with temperatures reaching 34°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Nuevo Sullana 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.