January Weather in Castelli, Argentina

Last updated: August 22, 2025

In Castelli, Argentina, the average temperature in January is a pleasant 23°C (74°F). However, temperatures can vary significantly, with a minimum of 9°C (48°F) and a scorching maximum of 41°C (107°F). Expect about 60 mm (2.4 in) of precipitation over 7 days, and enjoy a comfortable average humidity level of 59%.

January Temperature in Castelli

In January in Castelli, the average temperature is 23°C (74°F). The maximum can reach 41°C (107°F) and the minimum can be as low as 9°C (48°F). This range makes it essential for travelers to pack accordingly, ensuring they are prepared for both warm days and cooler nights.

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

The chart illustrates January temperature patterns in Castelli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelli, January typically has an average temperature of 23°C (74°F), with highs reaching up to 41°C (107°F) and lows dropping to around 9°C (48°F).

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

January Precipitation in Castelli

In Castelli in January, the precipitation amount is 60 mm (2.4 in) over the course of 7 days.

January Precipitation Trends in Castelli

The chart displays monthly precipitation patterns in Castelli, 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 Castelli, January typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 7 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 Castelli

In Castelli in January humidity is 59%. With an average temperature of 23°C (74°F), this humidity feels like a warm, inviting embrace, making it comfortable for traveling as long as you stay hydrated and take breaks in the shade.

January Average Humidity in Castelli

This chart illustrates the average monthly humidity levels in Castelli, 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 Castelli is approximately 59%, 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 Castelli

In Castelli 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 Castelli, you can check here.

Maximum UV Index Levels in Castelli for January

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

Data source: Castelli 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 Castelli Compares to Other Months

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

This table compares monthly weather conditions in Castelli, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	60 mm (2.4 inches)	59%	extreme
February Weather	22°C (72°F)	65 mm (2.6 inches)	70%	extreme
March Weather	20°C (68°F)	89 mm (3.5 inches)	72%	extreme
April Weather	17°C (64°F)	89 mm (3.5 inches)	82%	high
May Weather	13°C (56°F)	51 mm (2.0 inches)	86%	moderate
June Weather	11°C (51°F)	63 mm (2.5 inches)	81%	moderate
July Weather	10°C (49°F)	60 mm (2.4 inches)	73%	moderate
August Weather	11°C (52°F)	47 mm (1.9 inches)	69%	moderate
September Weather	13°C (56°F)	74 mm (2.9 inches)	76%	high
October Weather	15°C (60°F)	61 mm (2.4 inches)	69%	very high
November Weather	19°C (66°F)	65 mm (2.6 inches)	66%	extreme
December Weather	21°C (70°F)	90 mm (3.6 inches)	61%	extreme