January Weather in Rio Negrinho, Brazil

Last updated: August 22, 2025

In January, the average temperature in Rio Negrinho, Brazil is a pleasant 21°C (70°F), with temperatures ranging from a cool 12°C (55°F) to a warm 33°C (92°F). Expect a fair amount of precipitation, averaging 180 mm (7.1 in) over 21 days, contributing to a humid atmosphere with an average humidity level of 86%.

January Temperature in Rio Negrinho

In January in Rio Negrinho, the average temperature is 21°C (70°F). Maximum temperatures can reach up to 33°C (92°F), while minimum temperatures can drop to as low as 12°C (55°F). This mild climate makes Rio Negrinho an ideal destination for travelers seeking comfortable weather conditions.

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

The chart illustrates January temperature patterns in Rio Negrinho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Negrinho, January typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (92°F) and lows dropping to around 12°C (55°F).

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

January Precipitation in Rio Negrinho

In Rio Negrinho in January, the precipitation amount is 180 mm (7.1 in) spread across 21 days.

January Precipitation Trends in Rio Negrinho

The chart displays monthly precipitation patterns in Rio Negrinho, 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 Negrinho, January typically receives around 180 mm (7.1 inches) of precipitation spread over approximately 21 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 Negrinho

In Rio Negrinho in January, humidity is 86%. With an average temperature of 21°C (70°F), this humidity feels like walking through a warm, moist veil, making it essential to stay hydrated and take frequent breaks while exploring the area.

January Average Humidity in Rio Negrinho

This chart illustrates the average monthly humidity levels in Rio Negrinho, 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 Negrinho is approximately 86%, 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 Negrinho

In Rio Negrinho in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Rio Negrinho.

Maximum UV Index Levels in Rio Negrinho for January

The chart shows the monthly maximum UV Index (UVI) for Rio Negrinho 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 Negrinho typically reaches 15, which falls under the extreme exposure category.

Data source: Rio Negrinho 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 Negrinho Compares to Other Months

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

This table compares monthly weather conditions in Rio Negrinho, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	180 mm (7.1 inches)	86%	extreme
February Weather	20°C (69°F)	147 mm (5.8 inches)	83%	extreme
March Weather	20°C (68°F)	144 mm (5.7 inches)	85%	extreme
April Weather	18°C (64°F)	66 mm (2.6 inches)	85%	extreme
May Weather	15°C (60°F)	99 mm (3.9 inches)	86%	high
June Weather	14°C (58°F)	127 mm (5.0 inches)	85%	high
July Weather	13°C (56°F)	41 mm (1.6 inches)	80%	high
August Weather	14°C (57°F)	84 mm (3.3 inches)	79%	very high
September Weather	17°C (63°F)	95 mm (3.7 inches)	82%	extreme
October Weather	17°C (63°F)	176 mm (6.9 inches)	82%	extreme
November Weather	18°C (65°F)	127 mm (5.0 inches)	86%	extreme
December Weather	20°C (68°F)	186 mm (7.3 inches)	88%	extreme