January Weather in Rosario de la Frontera, Argentina

Last updated: August 22, 2025

In January, the average temperature in Rosario de la Frontera, Argentina is a pleasant 23°C (73°F). However, be prepared for a range that can dip to a cool 11°C (53°F) and soar up to a toasty 38°C (100°F). With 204 mm (8.0 in) of precipitation spread over 18 days, a light rain jacket might come in handy. The air is generally quite humid, with an average humidity of 84%, making it feel warm and sticky at times. Stay comfortable and enjoy your visit!

January Temperature in Rosario de la Frontera

In January, in Rosario de la Frontera, the average temperature is 23°C (73°F). Maximums can reach 38°C (100°F) and minimums can be as low as 11°C (53°F). Overall, it's a great time for travelers to experience a warm climate with some cooler evenings.

January Weather in Rosario de la Frontera: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rosario de la Frontera, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosario de la Frontera, January typically has an average temperature of 23°C (73°F), with highs reaching up to 38°C (100°F) and lows dropping to around 11°C (53°F).

Data source: Temperature data for Rosario de la Frontera generated using information from the Copernicus Climate Change Service.

January Precipitation in Rosario de la Frontera

In Rosario de la Frontera in January, the total precipitation amount is 204 mm (8.0 in) over the course of 18 days.

January Precipitation Trends in Rosario de la Frontera

The chart displays monthly precipitation patterns in Rosario de la Frontera, 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 Rosario de la Frontera, January typically receives around 204 mm (8.0 inches) of precipitation spread over approximately 18 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 Rosario de la Frontera

In Rosario de la Frontera in January, humidity is 84%. With an average temperature of 23°C (73°F), this humidity feels like a warm, thick blanket wrapping around you, making travel slightly exhausting but also uniquely invigorating as you navigate through the vibrant atmosphere.

January Average Humidity in Rosario de la Frontera

This chart illustrates the average monthly humidity levels in Rosario de la Frontera, 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 Rosario de la Frontera is approximately 84%, 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 Rosario de la Frontera

In Rosario de la Frontera in January, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Rosario de la Frontera.

Maximum UV Index Levels in Rosario de la Frontera for January

The chart shows the monthly maximum UV Index (UVI) for Rosario de la Frontera 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 Rosario de la Frontera typically reaches 16, which falls under the extreme exposure category.

Data source: Rosario de la Frontera 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 Rosario de la Frontera Compares to Other Months

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

This table compares monthly weather conditions in Rosario de la Frontera, 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)	204 mm (8.0 inches)	84%	extreme
February Weather	21°C (70°F)	211 mm (8.3 inches)	87%	extreme
March Weather	20°C (67°F)	142 mm (5.6 inches)	88%	extreme
April Weather	18°C (64°F)	99 mm (3.9 inches)	85%	extreme
May Weather	14°C (57°F)	41 mm (1.6 inches)	74%	very high
June Weather	11°C (52°F)	18 mm (0.7 inches)	56%	high
July Weather	11°C (52°F)	9 mm (0.4 inches)	47%	high
August Weather	14°C (57°F)	6 mm (0.2 inches)	44%	very high
September Weather	17°C (63°F)	18 mm (0.7 inches)	57%	extreme
October Weather	20°C (68°F)	66 mm (2.6 inches)	55%	extreme
November Weather	21°C (71°F)	104 mm (4.1 inches)	70%	extreme
December Weather	22°C (72°F)	168 mm (6.6 inches)	77%	extreme