January Weather in Rosario Oeste, Brazil

Last updated: August 22, 2025

In January, the average temperature in Rosario Oeste, Brazil hovers around 26°C (80°F), with comfortable minimums of 20°C (69°F) and occasional highs reaching up to 36°C (96°F). Expect 150 mm (5.9 in) of precipitation spread over 20 days, contributing to an average humidity level of 88%. Prepare for a warm and slightly humid month!

January Temperature in Rosario Oeste

In January in Rosario Oeste, the average temperature is 26°C (80°F). Maximums can reach 36°C (96°F), and minimums can be as low as 20°C (69°F). This pleasant climate makes it a perfect time for travelers to explore Rosario Oeste and enjoy outdoor activities.

January Weather in Rosario Oeste: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rosario Oeste, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosario Oeste, January typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (96°F) and lows dropping to around 20°C (69°F).

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

January Precipitation in Rosario Oeste

In Rosario Oeste in January, the precipitation amount is 150 mm (5.9 in) over a span of 20 days.

January Precipitation Trends in Rosario Oeste

The chart displays monthly precipitation patterns in Rosario Oeste, 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 Oeste, January typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 20 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 Oeste

In Rosario Oeste in January, humidity is 88%. With an average temperature of 26°C (80°F), this humidity feels like a thick blanket enveloping you, making outdoor activities challenging and sweat-soaked.

January Average Humidity in Rosario Oeste

This chart illustrates the average monthly humidity levels in Rosario Oeste, 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 Oeste is approximately 88%, 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 Oeste

In Rosario Oeste 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 Oeste.

Maximum UV Index Levels in Rosario Oeste for January

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

Data source: Rosario Oeste 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 Oeste Compares to Other Months

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

This table compares monthly weather conditions in Rosario Oeste, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	150 mm (5.9 inches)	88%	extreme
February Weather	26°C (80°F)	249 mm (9.8 inches)	88%	extreme
March Weather	27°C (80°F)	195 mm (7.7 inches)	89%	extreme
April Weather	26°C (80°F)	91 mm (3.6 inches)	87%	extreme
May Weather	25°C (77°F)	27 mm (1.0 inches)	78%	very high
June Weather	24°C (76°F)	2 mm (0.1 inches)	63%	very high
July Weather	24°C (75°F)	0 mm (0.0 inches)	50%	very high
August Weather	26°C (79°F)	8 mm (0.3 inches)	39%	extreme
September Weather	29°C (84°F)	25 mm (1.0 inches)	30%	extreme
October Weather	28°C (83°F)	91 mm (3.6 inches)	29%	extreme
November Weather	27°C (81°F)	172 mm (6.8 inches)	62%	extreme
December Weather	27°C (80°F)	194 mm (7.6 inches)	84%	extreme