Climate Insights for Tumbes

The climate in Tumbes is hot. The average annual temperature is 25°C and approximately 682mm of precipitation falls per year. March is the wettest month, receiving around 199mm of rainfall. Tumbes sits near the equator, so seasonal temperature differences are minimal throughout the year.

Tumbes 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 27°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 6°C between highs and lows.

Tumbes is a relatively dry area, receiving approximately 682mm of precipitation annually, which averages out to around 57mm per month. The wettest month is March, averaging 199mm of rainfall. February and April also tend to see above-average precipitation. The driest month is August, with just 2mm. That's 197mm 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.

Tumbes is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

It is currently winter in Tumbes, which began on June 21, 2026. Tumbes 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. Spring is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Tumbes is during July, 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 7mm 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 Tumbes 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.