January Weather in Rio Grande, Brazil

Last updated: August 22, 2025

The average temperature in Rio Grande, Brazil during January is a pleasant 24°C (75°F). Expect temperatures to range from a cool 20°C (68°F) to a warm 31°C (88°F). With an average precipitation of 85 mm (3.3 in) spread over 9 days, be prepared for occasional showers. The humidity is generally high at 79%, creating a lush and vibrant atmosphere.

January Temperature in Rio Grande

In January in Rio Grande, the average temperature is 24°C (75°F). Maximums can reach 31°C (88°F), while minimums can drop to as low as 20°C (68°F). This pleasant weather makes Rio Grande an ideal destination for travelers seeking a comfortable climate.

January Weather in Rio Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rio Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Grande, January typically has an average temperature of 24°C (75°F), with highs reaching up to 31°C (88°F) and lows dropping to around 20°C (68°F).

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

January Precipitation in Rio Grande

In Rio Grande in January, the precipitation amount is 85 mm (3.3 in) over the course of 9 days.

January Precipitation Trends in Rio Grande

The chart displays monthly precipitation patterns in Rio Grande, 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 Rio Grande, January typically receives around 85 mm (3.3 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 Rio Grande

In Rio Grande in January, humidity is 79%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making traveling quite sticky and requiring ample hydration and light clothing to keep comfortable while exploring.

January Average Humidity in Rio Grande

This chart illustrates the average monthly humidity levels in Rio Grande, 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 Rio Grande is approximately 79%, 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 Rio Grande

In Rio Grande 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 Rio Grande, you can check here.

Maximum UV Index Levels in Rio Grande for January

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

Data source: Rio Grande 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 Rio Grande Compares to Other Months

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

This table compares monthly weather conditions in Rio Grande, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	85 mm (3.3 inches)	79%	extreme
February Weather	24°C (75°F)	75 mm (2.9 inches)	81%	extreme
March Weather	23°C (73°F)	87 mm (3.4 inches)	81%	extreme
April Weather	21°C (70°F)	65 mm (2.6 inches)	80%	very high
May Weather	18°C (64°F)	97 mm (3.8 inches)	82%	moderate
June Weather	15°C (60°F)	99 mm (3.9 inches)	81%	moderate
July Weather	14°C (57°F)	111 mm (4.4 inches)	78%	moderate
August Weather	14°C (58°F)	100 mm (3.9 inches)	80%	high
September Weather	16°C (61°F)	144 mm (5.7 inches)	84%	very high
October Weather	18°C (65°F)	131 mm (5.2 inches)	84%	extreme
November Weather	20°C (68°F)	78 mm (3.1 inches)	82%	extreme
December Weather	22°C (71°F)	77 mm (3.0 inches)	82%	extreme