Climate Overview
The climate in Pastaza / Rio Amazonas is temperate. The average annual temperature is 16°C and approximately 2845mm 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 10°C to 21°C. October is the warmest month, though highs remain moderate at 21°C with a mean of 16°C. August is the coolest month, with minimum temperatures around 10°C and an average of 15°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 2845mm of precipitation annually, which averages out to around 237mm per month. The wettest month is March, averaging 321mm of rainfall. December and April also tend to see above-average precipitation. The driest month is September, with just 97mm. That's 223mm 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 9km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 8km/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
89 days until Winter
It is currently autumn in Pastaza / Rio Amazonas, which began on March 20, 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 October at around 21°C, while the coldest stretch bottoms out in August near 10°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 11 to 21°C. Rainfall is heavy, totalling around 591mm across the season with a monthly average of 197mm. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 12 to 20°C. Rainfall is heavy, totalling around 836mm across the season with a monthly average of 279mm. Winds are generally light, averaging 9km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 13 to 21°C. Rainfall is heavy, totalling around 868mm across the season with a monthly average of 289mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 10 to 19°C. Rainfall is heavy, totalling around 550mm across the season with a monthly average of 183mm. Winds are generally light, averaging 8km/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 15°C with modest rainfall averaging 97mm per month. By contrast, October can be uncomfortably hot with highs reaching 21°C, while August is the coldest period with lows dropping to 10°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.