January Weather in La Arena, Peru

Last updated: August 27, 2025

In La Arena, Peru, the average temperature in January is a warm 26°C (78°F). Expect minimums of 19°C (67°F) and highs reaching up to 35°C (94°F). With an average precipitation of 20 mm (0.8 in) over about 4 days, the humidity hovers around a sticky 89%. Stay prepared for a mix of warmth and moisture during your visit!

January Temperature in La Arena

In January in La Arena, the average temperature is 26°C (78°F), with maximums reaching up to 35°C (94°F) and minimums dropping as low as 19°C (67°F). It's a perfect time to visit for those who enjoy warm weather and outdoor activities.

January Weather in La Arena: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in La Arena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Arena, January typically has an average temperature of 26°C (78°F), with highs reaching up to 35°C (94°F) and lows dropping to around 19°C (67°F).

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

January Precipitation in La Arena

In La Arena in January, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.

January Precipitation Trends in La Arena

The chart displays monthly precipitation patterns in La Arena, 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 La Arena, January typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 4 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in La Arena

In La Arena in January humidity is 89%. With an average temperature of 26°C (78°F), this humidity feels like you're walking through a warm, thick fog, making travel a sweaty and heavy experience that can quickly drain your energy.

January Average Humidity in La Arena

This chart illustrates the average monthly humidity levels in La Arena, 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 La Arena is approximately 89%, 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 La Arena

In La Arena in January, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in La Arena, you can check here.

Maximum UV Index Levels in La Arena for January

The chart shows the monthly maximum UV Index (UVI) for La Arena 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 La Arena typically reaches 14, which falls under the extreme exposure category.

Data source: La Arena 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 La Arena Compares to Other Months

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

This table compares monthly weather conditions in La Arena, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (78°F)	20 mm (0.8 inches)	89%	extreme
February Weather	27°C (80°F)	65 mm (2.5 inches)	87%	extreme
March Weather	27°C (80°F)	157 mm (6.2 inches)	87%	extreme
April Weather	25°C (78°F)	33 mm (1.3 inches)	86%	extreme
May Weather	24°C (75°F)	13 mm (0.5 inches)	89%	extreme
June Weather	22°C (72°F)	6 mm (0.2 inches)	84%	extreme
July Weather	21°C (70°F)	4 mm (0.1 inches)	71%	extreme
August Weather	20°C (69°F)	2 mm (0.1 inches)	71%	extreme
September Weather	21°C (69°F)	3 mm (0.1 inches)	75%	extreme
October Weather	21°C (70°F)	10 mm (0.4 inches)	77%	extreme
November Weather	22°C (71°F)	14 mm (0.6 inches)	79%	extreme
December Weather	24°C (75°F)	29 mm (1.2 inches)	86%	extreme