January Weather in Castro Barros, Argentina

Last updated: August 22, 2025

In January, the average temperature in Castro Barros, Argentina hovers around 29°C (84°F). Expect a comfortable minimum of 15°C (59°F) and a soaring maximum of 44°C (112°F). During this month, precipitation totals about 83 mm (3.3 in) over 8 days, while the average humidity sits at 49%.

January Temperature in Castro Barros

In January in Castro Barros, the average temperature is 29°C (84°F). Maximum temperatures can reach 44°C (112°F), while minimums can drop to as low as 15°C (59°F). Be prepared for a range of temperatures when traveling to Castro Barros during this month.

January Weather in Castro Barros: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Castro Barros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castro Barros, January typically has an average temperature of 29°C (84°F), with highs reaching up to 44°C (112°F) and lows dropping to around 15°C (59°F).

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

January Precipitation in Castro Barros

In Castro Barros in January, the precipitation amount reaches 83 mm (3.3 in) over the course of 8 days.

January Precipitation Trends in Castro Barros

The chart displays monthly precipitation patterns in Castro Barros, 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 Castro Barros, January typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 8 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 Castro Barros

In Castro Barros in January, humidity is 49%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace, making it perfect for leisurely explorations but slightly sticky during active adventures.

January Average Humidity in Castro Barros

This chart illustrates the average monthly humidity levels in Castro Barros, 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 Castro Barros is approximately 49%, 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 Castro Barros

In Castro Barros 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 Castro Barros, you can check here.

Maximum UV Index Levels in Castro Barros for January

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

Data source: Castro Barros 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 Castro Barros Compares to Other Months

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

This table compares monthly weather conditions in Castro Barros, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	29°C (84°F)	83 mm (3.3 inches)	49%	extreme
February Weather	27°C (81°F)	61 mm (2.4 inches)	54%	extreme
March Weather	25°C (77°F)	71 mm (2.8 inches)	57%	extreme
April Weather	22°C (71°F)	69 mm (2.7 inches)	73%	very high
May Weather	17°C (62°F)	31 mm (1.2 inches)	75%	high
June Weather	13°C (56°F)	7 mm (0.3 inches)	67%	moderate
July Weather	13°C (55°F)	6 mm (0.2 inches)	54%	moderate
August Weather	16°C (61°F)	1 mm (0.0 inches)	43%	high
September Weather	20°C (68°F)	25 mm (1.0 inches)	45%	very high
October Weather	23°C (75°F)	22 mm (0.9 inches)	41%	extreme
November Weather	26°C (79°F)	66 mm (2.6 inches)	51%	extreme
December Weather	28°C (83°F)	66 mm (2.6 inches)	49%	extreme