January Weather in Biritiba Mirim, Brazil

Last updated: August 22, 2025

In January, the average temperature in Biritiba Mirim, Brazil hovers around 23°C (75°F), with comfortable minimums of 14°C (57°F) and warm maximums reaching 33°C (92°F). However, be prepared for significant rainfall, as 204 mm (8.0 in) of precipitation can fall over 20 days. With an average humidity of 88%, expect a muggy atmosphere that adds to the tropical charm!

January Temperature in Biritiba Mirim

In January in Biritiba Mirim, the average temperature is 23°C (75°F). Maximums can reach 33°C (92°F), and minimums can be as low as 14°C (57°F). This makes Biritiba Mirim a pleasant destination for travelers looking to enjoy mild and comfortable weather.

January Weather in Biritiba Mirim: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Biritiba Mirim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biritiba Mirim, January typically has an average temperature of 23°C (75°F), with highs reaching up to 33°C (92°F) and lows dropping to around 14°C (57°F).

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

January Precipitation in Biritiba Mirim

In Biritiba Mirim in January, the precipitation amount is 204 mm (8.0 in) over the course of 20 days.

January Precipitation Trends in Biritiba Mirim

The chart displays monthly precipitation patterns in Biritiba Mirim, 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 Biritiba Mirim, January typically receives around 204 mm (8.0 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 Biritiba Mirim

In Biritiba Mirim in January, humidity is 88%. With an average temperature of 23°C (75°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling quite uncomfortable as you quickly become sticky and fatigued in the sweltering air.

January Average Humidity in Biritiba Mirim

This chart illustrates the average monthly humidity levels in Biritiba Mirim, 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 Biritiba Mirim 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 Biritiba Mirim

In Biritiba Mirim 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 Biritiba Mirim.

Maximum UV Index Levels in Biritiba Mirim for January

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

Data source: Biritiba Mirim 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 Biritiba Mirim Compares to Other Months

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

This table compares monthly weather conditions in Biritiba Mirim, 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 (75°F)	204 mm (8.0 inches)	88%	extreme
February Weather	23°C (73°F)	190 mm (7.5 inches)	88%	extreme
March Weather	23°C (73°F)	156 mm (6.2 inches)	87%	extreme
April Weather	20°C (69°F)	65 mm (2.6 inches)	84%	extreme
May Weather	18°C (65°F)	58 mm (2.3 inches)	79%	very high
June Weather	18°C (64°F)	44 mm (1.7 inches)	77%	high
July Weather	16°C (62°F)	29 mm (1.2 inches)	72%	high
August Weather	17°C (63°F)	63 mm (2.5 inches)	65%	very high
September Weather	20°C (68°F)	50 mm (2.0 inches)	58%	extreme
October Weather	21°C (70°F)	131 mm (5.2 inches)	50%	extreme
November Weather	21°C (69°F)	133 mm (5.2 inches)	75%	extreme
December Weather	22°C (72°F)	162 mm (6.4 inches)	80%	extreme