January Weather in Arin, Peru

Last updated: August 27, 2025

In January, the average temperature in Arin, Peru hovers around 8°C (46°F). Visitors should prepare for a minimum chill of 1°C (34°F), with the mercury potentially rising to a pleasant 17°C (63°F). Expect a fair share of rain, as 206 mm (8.1 in) of precipitation can occur over approximately 25 days. Additionally, be ready for a high average humidity of 94%, making it feel quite damp throughout the month.

January Temperature in Arin

In January in Arin, the average temperature is 8°C (46°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as 1°C (34°F). It's a good time to pack layers and enjoy the mild weather while exploring the local attractions.

January Weather in Arin: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Arin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arin, January typically has an average temperature of 8°C (46°F), with highs reaching up to 17°C (63°F) and lows dropping to around 1°C (34°F).

Data source: Temperature data for Arin generated using information from the Copernicus Climate Change Service.

January Precipitation in Arin

In Arin in January, the precipitation amount is 206 mm (8.1 in) distributed over a span of 25 days.

January Precipitation Trends in Arin

The chart displays monthly precipitation patterns in Arin, 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 Arin, January typically receives around 206 mm (8.1 inches) of precipitation spread over approximately 25 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Arin

In Arin in January humidity is 94%. With an average temperature of 8°C (46°F), this humidity feels like a dense blanket wrapping around you, making outdoor activities less enjoyable and causing you to feel damp and cold almost instantly.

January Average Humidity in Arin

This chart illustrates the average monthly humidity levels in Arin, 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 Arin is approximately 94%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Arin

In Arin 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 Arin.

Maximum UV Index Levels in Arin for January

The chart shows the monthly maximum UV Index (UVI) for Arin 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 Arin typically reaches 19, which falls under the extreme exposure category.

Data source: Arin 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 Arin Compares to Other Months

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

This table compares monthly weather conditions in Arin, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	206 mm (8.1 inches)	94%	extreme
February Weather	8°C (46°F)	265 mm (10.5 inches)	92%	extreme
March Weather	8°C (46°F)	218 mm (8.6 inches)	92%	extreme
April Weather	8°C (46°F)	128 mm (5.0 inches)	90%	extreme
May Weather	7°C (45°F)	56 mm (2.2 inches)	88%	extreme
June Weather	7°C (44°F)	31 mm (1.2 inches)	77%	extreme
July Weather	6°C (44°F)	30 mm (1.2 inches)	55%	extreme
August Weather	7°C (44°F)	46 mm (1.8 inches)	44%	extreme
September Weather	7°C (45°F)	74 mm (2.9 inches)	51%	extreme
October Weather	8°C (46°F)	147 mm (5.8 inches)	64%	extreme
November Weather	9°C (48°F)	181 mm (7.1 inches)	84%	extreme
December Weather	8°C (47°F)	256 mm (10.1 inches)	93%	extreme