January Weather in Riachuelo, Argentina

Last updated: August 22, 2025

In Riachuelo, Argentina, the average temperature in January is a warm 28°C (82°F), with minimums dipping to 15°C (59°F) and maximums soaring up to 41°C (107°F). Expect 139 mm (5.5 in) of precipitation over approximately 10 days, contributing to an average humidity level of 76%. Embrace the tropical vibes!

January Temperature in Riachuelo

In January in Riachuelo, the average temperature is 28°C (82°F), with maximums reaching 41°C (107°F) and minimums dropping as low as 15°C (59°F). It's advisable to pack light, breathable clothing and prepare for both hot days and cooler evenings if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Riachuelo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riachuelo, January typically has an average temperature of 28°C (82°F), with highs reaching up to 41°C (107°F) and lows dropping to around 15°C (59°F).

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

January Precipitation in Riachuelo

In Riachuelo, in January, the total precipitation amount is 139 mm (5.5 in) accumulated over 10 days.

January Precipitation Trends in Riachuelo

The chart displays monthly precipitation patterns in Riachuelo, 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 Riachuelo, January typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Riachuelo

In Riachuelo in January humidity is 76%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and sluggish as you navigate through the heat, leaving you constantly seeking shade and refreshing beverages.

January Average Humidity in Riachuelo

This chart illustrates the average monthly humidity levels in Riachuelo, 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 Riachuelo is approximately 76%, 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 Riachuelo

In Riachuelo 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 Riachuelo, you can check here.

Maximum UV Index Levels in Riachuelo for January

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

Data source: Riachuelo 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 Riachuelo Compares to Other Months

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

This table compares monthly weather conditions in Riachuelo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	139 mm (5.5 inches)	76%	extreme
February Weather	27°C (80°F)	70 mm (2.8 inches)	70%	extreme
March Weather	25°C (77°F)	139 mm (5.5 inches)	73%	extreme
April Weather	22°C (72°F)	122 mm (4.8 inches)	83%	very high
May Weather	18°C (65°F)	129 mm (5.1 inches)	85%	high
June Weather	16°C (62°F)	60 mm (2.4 inches)	73%	moderate
July Weather	15°C (60°F)	38 mm (1.5 inches)	63%	high
August Weather	17°C (64°F)	39 mm (1.5 inches)	44%	high
September Weather	20°C (69°F)	84 mm (3.3 inches)	50%	very high
October Weather	23°C (73°F)	118 mm (4.6 inches)	53%	extreme
November Weather	25°C (77°F)	147 mm (5.8 inches)	66%	extreme
December Weather	26°C (80°F)	76 mm (3.0 inches)	82%	extreme