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January Weather in El Rosario, Peru

Last updated: August 27, 2025

In January, the average temperature in El Rosario, Peru hovers at a chilly 6°C (43°F). Expect a wide range, with minimums dipping to -6°C (22°F) and maximums reaching up to 16°C (61°F). Rainfall is quite frequent, accumulating to 184 mm (7.2 in) over approximately 25 days, paired with high average humidity at 91%. Be prepared for a cool and damp month!

January Temperature in El Rosario

In January in El Rosario, the average temperature is 6°C (43°F). Maximums can reach 16°C (61°F) and minimums can be as low as -6°C (22°F). This means you should pack layers and prepare for a mix of cool and chilly weather while exploring.

January Weather in El Rosario: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in El Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Rosario, January typically has an average temperature of 6°C (43°F), with highs reaching up to 16°C (61°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec434343424139383940424444
Data source: Temperature data for El Rosario generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in El Rosario

In El Rosario in January, the total precipitation amount is 184 mm (7.2 in) spread over 25 days.

January Precipitation Trends in El Rosario

The chart displays monthly precipitation patterns in El Rosario, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In El Rosario, January typically receives around 184 mm (7.2 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec1842232421108337264280121149192
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in El Rosario

In El Rosario in January, humidity is 91%. With an average temperature of 6°C (43°F), this humidity feels like a thick blanket wrapped around you, making travel uncomfortable and sticky as every step becomes a challenge against the heavy, damp air.

January Average Humidity in El Rosario

This chart illustrates the average monthly humidity levels in El Rosario, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in El Rosario is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%91%89%85%65%47%38%40%56%76%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in El Rosario

In El Rosario in January, the maximum UV index reaches 19, which corresponds to an extreme exposure category. With a time to burn of just 10 minutes, it’s essential to take precautions. For detailed information, you can check the hourly UV index in El Rosario.

Maximum UV Index Levels in El Rosario for January

The chart shows the monthly maximum UV Index (UVI) for El Rosario in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in El Rosario typically reaches 19, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919181512131517181818
Data source: El Rosario January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in El Rosario Compares to Other Months

Weather in El Rosario varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in El Rosario, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in El Rosario, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)184 mm (7.2 inches)91%extreme
February Weather6°C (43°F)223 mm (8.8 inches)90%extreme
March Weather6°C (43°F)242 mm (9.5 inches)91%extreme
April Weather6°C (42°F)110 mm (4.3 inches)89%extreme
May Weather5°C (41°F)83 mm (3.3 inches)85%extreme
June Weather4°C (40°F)37 mm (1.4 inches)65%extreme
July Weather4°C (39°F)25 mm (1.0 inches)47%extreme
August Weather4°C (39°F)42 mm (1.7 inches)38%extreme
September Weather5°C (41°F)80 mm (3.1 inches)40%extreme
October Weather5°C (42°F)121 mm (4.7 inches)56%extreme
November Weather6°C (44°F)149 mm (5.8 inches)76%extreme
December Weather6°C (44°F)192 mm (7.5 inches)90%extreme

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