Climate Overview
The climate in Pastaza / Rio Amazonas is warm and mild. The average annual temperature is 21°C and approximately 2761mm of precipitation falls per year. Pastaza / Rio Amazonas receives a notable amount of rainfall throughout the year, including during its driest month. Pastaza / Rio Amazonas sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Pastaza / Rio Amazonas sees moderate temperature variation throughout the year, ranging from 15°C to 26°C. The warmest month is September, when average highs reach 26°C and the mean temperature sits around 21°C. August is the coolest month, with minimum temperatures around 15°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Pastaza / Rio Amazonas is a very wet location, receiving approximately 2761mm of precipitation annually, which averages out to around 230mm per month. The wettest month is March, averaging 326mm of rainfall. May and April also tend to see above-average precipitation. The driest month is September, with just 76mm. That's 249mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Pastaza / Rio Amazonas is relatively calm, with an average annual wind speed of 4km/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 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
2 days until Spring
It is currently winter in Pastaza / Rio Amazonas, which began on June 21, 2026. Pastaza / Rio Amazonas sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in September at around 26°C, while the coldest stretch bottoms out in August near 15°C. Spring is next, beginning on September 23, 2026 (2 days from now).
Spring
Temperatures range from 16 to 26°C. Rainfall is heavy, totalling around 504mm across the season with a monthly average of 168mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 17 to 26°C. Rainfall is heavy, totalling around 757mm across the season with a monthly average of 252mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 18 to 25°C. Rainfall is heavy, totalling around 933mm across the season with a monthly average of 311mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 15 to 25°C. Rainfall is heavy, totalling around 567mm across the season with a monthly average of 189mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Pastaza / Rio Amazonas is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 76mm per month. By contrast, August can be quite cold with temperatures 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.
Monthly Climate Data
The table below shows monthly climate averages for Pastaza / Rio Amazonas 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.
