January Weather in Arroyito, Argentina

Last updated: August 22, 2025

In January, the average temperature in Arroyito, Argentina hovers around 25°C (78°F). Expect a cool minimum of 11°C (53°F) and the occasional sweltering peak of 41°C (107°F). During this month, precipitation totals about 99 mm (3.9 in) spread across 9 days, with an average humidity of 48%.

January Temperature in Arroyito

In January in Arroyito, the average temperature is 25°C (78°F), with maximums reaching 41°C (107°F) and minimums dropping as low as 11°C (53°F). It's an ideal time for travelers to enjoy warm days while being prepared for cooler evenings.

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

The chart illustrates January temperature patterns in Arroyito, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arroyito, January typically has an average temperature of 25°C (78°F), with highs reaching up to 41°C (107°F) and lows dropping to around 11°C (53°F).

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

January Precipitation in Arroyito

In Arroyito in January, the precipitation amount is 99 mm (3.9 in) during a span of 9 days.

January Precipitation Trends in Arroyito

The chart displays monthly precipitation patterns in Arroyito, 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 Arroyito, January typically receives around 99 mm (3.9 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 Arroyito

In Arroyito in January humidity is 48%. With an average temperature of 25°C (78°F), this humidity feels like a comfortable embrace, making it a pleasant time for exploring the area.

January Average Humidity in Arroyito

This chart illustrates the average monthly humidity levels in Arroyito, 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 Arroyito is approximately 48%, 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 Arroyito

In Arroyito 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 Arroyito, you can check here.

Maximum UV Index Levels in Arroyito for January

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

Data source: Arroyito 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 Arroyito Compares to Other Months

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

This table compares monthly weather conditions in Arroyito, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	99 mm (3.9 inches)	48%	extreme
February Weather	24°C (75°F)	88 mm (3.5 inches)	54%	extreme
March Weather	22°C (72°F)	86 mm (3.4 inches)	59%	extreme
April Weather	19°C (67°F)	92 mm (3.6 inches)	76%	very high
May Weather	15°C (59°F)	58 mm (2.3 inches)	82%	high
June Weather	12°C (53°F)	14 mm (0.6 inches)	74%	moderate
July Weather	11°C (52°F)	14 mm (0.5 inches)	55%	moderate
August Weather	14°C (57°F)	10 mm (0.4 inches)	48%	high
September Weather	17°C (62°F)	29 mm (1.1 inches)	53%	very high
October Weather	20°C (68°F)	65 mm (2.6 inches)	45%	extreme
November Weather	23°C (73°F)	95 mm (3.7 inches)	53%	extreme
December Weather	25°C (77°F)	108 mm (4.2 inches)	53%	extreme