January Weather in Castillos, Uruguay

Last updated: August 28, 2025

In January, the average temperature in Castillos, Uruguay is a pleasant 23°C (73°F), with temperatures ranging from a cool 15°C (59°F) to a warm 34°C (93°F). During this month, you can expect approximately 86 mm (3.4 in) of precipitation spread over 9 days, and a comfortable average humidity of 75%. Enjoy the mild weather while you explore!

January Temperature in Castillos

In January in Castillos, the average temperature is 23°C (73°F). Maximums can reach 34°C (93°F) and minimums can be as low as 15°C (59°F). This pleasant climate makes it an ideal time for exploring outdoor attractions and enjoying various activities.

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

The chart illustrates January temperature patterns in Castillos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castillos, January typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 15°C (59°F).

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

January Precipitation in Castillos

In Castillos in January, the precipitation amount is 86 mm (3.4 in), falling over the course of 9 days.

January Precipitation Trends in Castillos

The chart displays monthly precipitation patterns in Castillos, 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 Castillos, January typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 9 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 Castillos

In Castillos in January, humidity is 75%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel slightly uncomfortable yet invigorating as the air wraps around you, creating a sense of walking through a lush, tropical paradise.

January Average Humidity in Castillos

This chart illustrates the average monthly humidity levels in Castillos, 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 Castillos is approximately 75%, 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 Castillos

In Castillos 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 Castillos, you can check here.

Maximum UV Index Levels in Castillos for January

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

Data source: Castillos 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 Castillos Compares to Other Months

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

This table compares monthly weather conditions in Castillos, 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 (73°F)	86 mm (3.4 inches)	75%	extreme
February Weather	22°C (72°F)	97 mm (3.8 inches)	79%	extreme
March Weather	21°C (70°F)	77 mm (3.0 inches)	79%	extreme
April Weather	19°C (67°F)	91 mm (3.6 inches)	79%	high
May Weather	16°C (61°F)	70 mm (2.8 inches)	80%	moderate
June Weather	13°C (56°F)	143 mm (5.6 inches)	80%	moderate
July Weather	12°C (54°F)	100 mm (3.9 inches)	76%	moderate
August Weather	12°C (54°F)	106 mm (4.2 inches)	78%	high
September Weather	14°C (58°F)	95 mm (3.7 inches)	81%	very high
October Weather	16°C (61°F)	117 mm (4.6 inches)	79%	extreme
November Weather	19°C (66°F)	60 mm (2.4 inches)	78%	extreme
December Weather	20°C (69°F)	46 mm (1.8 inches)	76%	extreme