January Weather in Puerto Casma, Peru

Last updated: August 27, 2025

In January, the average temperature in Puerto Casma, Peru is a pleasant 21°C (69°F), with minimums dropping to 18°C (65°F) and maximums peaking at 26°C (78°F). Expect light precipitation of just 3 mm (0.1 in) over 0 days, and enjoy the average humidity level at a comfortable 91%.

January Temperature in Puerto Casma

In January in Puerto Casma, the average temperature is 21°C (69°F). Maximums can reach 26°C (78°F), while minimums can be as low as 18°C (65°F). This mild climate makes it an ideal destination for travelers looking to enjoy comfortable weather.

January Weather in Puerto Casma: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Puerto Casma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Casma, January typically has an average temperature of 21°C (69°F), with highs reaching up to 26°C (78°F) and lows dropping to around 18°C (65°F).

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

January Precipitation in Puerto Casma

In Puerto Casma in January, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

January Precipitation Trends in Puerto Casma

The chart displays monthly precipitation patterns in Puerto Casma, 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 Puerto Casma, January typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 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 Puerto Casma

In Puerto Casma in January humidity is 91%. With an average temperature of 21°C (69°F), this humidity feels like walking through a warm, damp embrace, making travel a sweaty endeavor as the air clings to your skin and the slightest movement requires extra effort.

January Average Humidity in Puerto Casma

This chart illustrates the average monthly humidity levels in Puerto Casma, 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 Puerto Casma is approximately 91%, 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 Puerto Casma

In Puerto Casma 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 Puerto Casma, you can check here.

Maximum UV Index Levels in Puerto Casma for January

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

Data source: Puerto Casma 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 Puerto Casma Compares to Other Months

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

This table compares monthly weather conditions in Puerto Casma, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (69°F)	3 mm (0.1 inches)	91%	extreme
February Weather	22°C (72°F)	6 mm (0.2 inches)	89%	extreme
March Weather	22°C (72°F)	6 mm (0.2 inches)	89%	extreme
April Weather	20°C (68°F)	2 mm (0.1 inches)	88%	extreme
May Weather	18°C (65°F)	3 mm (0.1 inches)	84%	extreme
June Weather	18°C (64°F)	4 mm (0.2 inches)	73%	very high
July Weather	17°C (63°F)	6 mm (0.2 inches)	55%	very high
August Weather	16°C (61°F)	6 mm (0.2 inches)	53%	extreme
September Weather	16°C (60°F)	7 mm (0.3 inches)	62%	extreme
October Weather	16°C (61°F)	4 mm (0.2 inches)	82%	extreme
November Weather	17°C (62°F)	2 mm (0.1 inches)	89%	extreme
December Weather	19°C (66°F)	9 mm (0.4 inches)	91%	extreme