January Weather in Rio Casca, Brazil

Last updated: August 22, 2025

In Rio Casca, Brazil, the average temperature in January hovers around a warm 26°C (79°F). Expect minimums of 19°C (66°F) and a maximum of 36°C (96°F), making it a season of contrasts. With about 98 mm (3.9 in) of precipitation spread across 8 days, this month brings a fair share of rain, contributing to the average humidity level of a muggy 83%. Enjoy the warmth, but don't forget your umbrella!

January Temperature in Rio Casca

In January in Rio Casca, the average temperature is 26°C (79°F). Maximums can reach 36°C (96°F), and minimums can be as low as 19°C (66°F). This makes Rio Casca an ideal destination for travelers seeking warm weather during this month.

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

The chart illustrates January temperature patterns in Rio Casca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Casca, January typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (96°F) and lows dropping to around 19°C (66°F).

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

January Precipitation in Rio Casca

In Rio Casca in January, the total precipitation amount is 98 mm (3.9 in), occurring over 8 days.

January Precipitation Trends in Rio Casca

The chart displays monthly precipitation patterns in Rio Casca, 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 Casca, January typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 8 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 Rio Casca

In Rio Casca in January, humidity is 83%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making travel an exercise in endurance as the air clings to your skin and saps your energy.

January Average Humidity in Rio Casca

This chart illustrates the average monthly humidity levels in Rio Casca, 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 Casca is approximately 83%, 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 Casca

In Rio Casca 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 Rio Casca.

Maximum UV Index Levels in Rio Casca for January

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

Data source: Rio Casca 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 Casca Compares to Other Months

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

This table compares monthly weather conditions in Rio Casca, 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 (79°F)	98 mm (3.9 inches)	83%	extreme
February Weather	25°C (77°F)	190 mm (7.5 inches)	85%	extreme
March Weather	25°C (77°F)	121 mm (4.8 inches)	87%	extreme
April Weather	23°C (74°F)	57 mm (2.3 inches)	86%	extreme
May Weather	21°C (70°F)	39 mm (1.5 inches)	82%	very high
June Weather	20°C (69°F)	7 mm (0.3 inches)	82%	high
July Weather	19°C (67°F)	4 mm (0.1 inches)	77%	very high
August Weather	20°C (69°F)	18 mm (0.7 inches)	72%	very high
September Weather	23°C (74°F)	21 mm (0.8 inches)	63%	extreme
October Weather	24°C (76°F)	116 mm (4.6 inches)	48%	extreme
November Weather	24°C (75°F)	155 mm (6.1 inches)	61%	extreme
December Weather	25°C (76°F)	163 mm (6.4 inches)	68%	extreme