January Weather in Ilo, Peru

Last updated: August 27, 2025

In January, the average temperature in Ilo, Peru is a pleasant 20°C (69°F). Expect temperatures to vary, with a minimum of 17°C (63°F) and a maximum of 24°C (76°F). The climate is characterized by high humidity at 89% and light precipitation of about 10 mm (0.4 in) over just 2 days.

January Temperature in Ilo

In January in Ilo, the average temperature is 20°C (69°F). Maximums can reach 24°C (76°F), while minimums can dip to as low as 17°C (63°F). This mild climate makes it an ideal time for travelers to enjoy outdoor activities and explore the local sights comfortably.

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

The chart illustrates January temperature patterns in Ilo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ilo, January typically has an average temperature of 20°C (69°F), with highs reaching up to 24°C (76°F) and lows dropping to around 17°C (63°F).

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

January Precipitation in Ilo

In Ilo in January, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

January Precipitation Trends in Ilo

The chart displays monthly precipitation patterns in Ilo, 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 Ilo, January typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 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 Ilo

In Ilo in January humidity is 89%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket enveloping you, making outdoor activities uncomfortable and requiring frequent breaks for hydration and rest.

January Average Humidity in Ilo

This chart illustrates the average monthly humidity levels in Ilo, 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 Ilo 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 Ilo

In Ilo in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Ilo.

Maximum UV Index Levels in Ilo for January

The chart shows the monthly maximum UV Index (UVI) for Ilo 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 Ilo typically reaches 15, which falls under the extreme exposure category.

Data source: Ilo 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 Ilo Compares to Other Months

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

This table compares monthly weather conditions in Ilo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (69°F)	10 mm (0.4 inches)	89%	extreme
February Weather	21°C (70°F)	8 mm (0.3 inches)	90%	extreme
March Weather	20°C (69°F)	4 mm (0.1 inches)	90%	extreme
April Weather	18°C (66°F)	2 mm (0.1 inches)	91%	extreme
May Weather	17°C (63°F)	3 mm (0.1 inches)	88%	very high
June Weather	16°C (61°F)	5 mm (0.2 inches)	76%	very high
July Weather	15°C (59°F)	8 mm (0.3 inches)	61%	very high
August Weather	15°C (59°F)	7 mm (0.3 inches)	57%	extreme
September Weather	15°C (59°F)	7 mm (0.3 inches)	58%	extreme
October Weather	16°C (61°F)	5 mm (0.2 inches)	75%	extreme
November Weather	17°C (63°F)	4 mm (0.2 inches)	83%	extreme
December Weather	19°C (66°F)	6 mm (0.2 inches)	84%	extreme