Climate Insights for Barranca

Datem del Marañón, Loreto, Peru

Hottest
October
32°C peak
Coldest
July
22°C low
Wettest
March
420mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Barranca is hot. The average annual temperature is 26°C and approximately 3280mm of precipitation falls per year. Barranca receives a notable amount of rainfall throughout the year, including during its driest month. Barranca sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 31° Average: 27° Min: 23° Feb Max: 31° Average: 27° Min: 23° Mar Max: 31° Average: 26° Min: 23° Apr Max: 31° Average: 26° Min: 23° May Max: 31° Average: 26° Min: 23° Jun Max: 30° Average: 26° Min: 22° Jul Max: 30° Average: 26° Min: 22° Aug Max: 31° Average: 26° Min: 22° Sep Max: 32° Average: 27° Min: 23° Oct Max: 32° Average: 27° Min: 23° Nov Max: 31° Average: 27° Min: 23° Dec Max: 31° Average: 27° Min: 23°
Max
Average
Min

Barranca has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is October, when average highs reach 32°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 22°C and an average of 26°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 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 280mm Feb Precipitation: 295mm Mar Precipitation: 420mm Apr Precipitation: 340mm May Precipitation: 296mm Jun Precipitation: 231mm Jul Precipitation: 184mm Aug Precipitation: 160mm Sep Precipitation: 186mm Oct Precipitation: 246mm Nov Precipitation: 296mm Dec Precipitation: 347mm
Precipitation

Barranca is a very wet location, receiving approximately 3280mm of precipitation annually, which averages out to around 273mm per month. The wettest month is March, averaging 420mm of rainfall. December and April also tend to see above-average precipitation. The driest month is August, with just 160mm. That's 260mm 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: 8km/h Feb Wind Speed: 7km/h Mar Wind Speed: 7km/h Apr Wind Speed: 7km/h May Wind Speed: 7km/h Jun Wind Speed: 7km/h Jul Wind Speed: 6km/h Aug Wind Speed: 7km/h Sep Wind Speed: 7km/h Oct Wind Speed: 7km/h Nov Wind Speed: 8km/h Dec Wind Speed: 8km/h
Wind Speed

Barranca is relatively calm, with an average annual wind speed of 7km/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 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/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 Barranca, which began on March 20, 2026. Barranca 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 32°C, while the coldest stretch bottoms out in July near 22°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 727mm across the season with a monthly average of 242mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 922mm across the season with a monthly average of 307mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 1056mm across the season with a monthly average of 352mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 575mm across the season with a monthly average of 192mm. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Barranca 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
23 °C
31 °C
8 km/h
280 mm
0 cm
Feb
23 °C
31 °C
7 km/h
295 mm
0 cm
Mar Current
23 °C
31 °C
7 km/h
420 mm
0 cm
Apr
23 °C
31 °C
7 km/h
340 mm
0 cm
May
23 °C
31 °C
7 km/h
296 mm
0 cm
Jun
22 °C
30 °C
7 km/h
231 mm
0 cm
Jul
22 °C
30 °C
6 km/h
184 mm
0 cm
Aug
22 °C
31 °C
7 km/h
160 mm
0 cm
Sep
23 °C
32 °C
7 km/h
186 mm
0 cm
Oct
23 °C
32 °C
7 km/h
246 mm
0 cm
Nov
23 °C
31 °C
8 km/h
296 mm
0 cm
Dec
23 °C
31 °C
8 km/h
347 mm
0 cm
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Metric (°C, km/h)