Climate Insights for Pastaza / Rio Amazonas

Cantón Mera, Pastaza, Ecuador

Hottest
October
21°C peak
Coldest
August
10°C low
Wettest
March
321mm rain
Best to Visit
September
Mild temps & low rain

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

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 20° Average: 16° Min: 12° Feb Max: 20° Average: 16° Min: 13° Mar Max: 20° Average: 16° Min: 13° Apr Max: 21° Average: 16° Min: 13° May Max: 20° Average: 16° Min: 13° Jun Max: 19° Average: 15° Min: 12° Jul Max: 19° Average: 14° Min: 11° Aug Max: 19° Average: 15° Min: 10° Sep Max: 20° Average: 15° Min: 11° Oct Max: 21° Average: 16° Min: 12° Nov Max: 21° Average: 16° Min: 13° Dec Max: 20° Average: 16° Min: 13°
Max
Average
Min

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

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 275mm Feb Precipitation: 272mm Mar Precipitation: 321mm Apr Precipitation: 282mm May Precipitation: 265mm Jun Precipitation: 233mm Jul Precipitation: 200mm Aug Precipitation: 116mm Sep Precipitation: 97mm Oct Precipitation: 232mm Nov Precipitation: 262mm Dec Precipitation: 289mm
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

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 9km/h Mar Wind Speed: 9km/h Apr Wind Speed: 9km/h May Wind Speed: 8km/h Jun Wind Speed: 8km/h Jul Wind Speed: 8km/h Aug Wind Speed: 9km/h Sep Wind Speed: 9km/h Oct Wind Speed: 9km/h Nov Wind Speed: 9km/h Dec Wind Speed: 9km/h
Wind Speed

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

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

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

Jan 16°
Feb 16°
Mar 16°
Apr 16°
May 16°
Jun 15°
Jul 14°
Aug 15°
Sep 15°
Oct 16°
Nov 16°
Dec 16°

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.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
12 °C
20 °C
9 km/h
275 mm
0 cm
Feb
13 °C
20 °C
9 km/h
272 mm
0 cm
Mar Current
13 °C
20 °C
9 km/h
321 mm
0 cm
Apr
13 °C
21 °C
9 km/h
282 mm
0 cm
May
13 °C
20 °C
8 km/h
265 mm
0 cm
Jun
12 °C
19 °C
8 km/h
233 mm
0 cm
Jul
11 °C
19 °C
8 km/h
200 mm
0 cm
Aug
10 °C
19 °C
9 km/h
116 mm
0 cm
Sep
11 °C
20 °C
9 km/h
97 mm
0 cm
Oct
12 °C
21 °C
9 km/h
232 mm
0 cm
Nov
13 °C
21 °C
9 km/h
262 mm
0 cm
Dec
13 °C
20 °C
9 km/h
289 mm
0 cm
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Metric (°C, km/h)