Climate Insights for Zaruma

The climate in Zaruma is warm and mild. The average annual temperature is 20°C and approximately 4599mm of precipitation falls per year. Zaruma receives a notable amount of rainfall throughout the year, including during its driest month. Zaruma sits near the equator, so seasonal temperature differences are minimal throughout the year.

Zaruma has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is May, when average highs reach 25°C and the mean temperature sits around 20°C. November is the coolest month, with minimum temperatures around 15°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Zaruma is a very wet location, receiving approximately 4599mm of precipitation annually, which averages out to around 383mm per month. The wettest month is March, averaging 791mm of rainfall. February and April also tend to see above-average precipitation. The driest month is August, with just 98mm. That's 693mm 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.

Zaruma is relatively calm, with an average annual wind speed of 1km/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 1km/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. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

It is currently winter in Zaruma, which began on June 21, 2026. Zaruma 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 25°C, while the coldest stretch bottoms out in November near 15°C. Spring is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Zaruma is during August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 98mm per month. By contrast, May can be uncomfortably hot with highs reaching 25°C, while November is the coldest period with lows dropping to 15°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 Zaruma 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.