January Weather in Sao Joao, Brazil

Last updated: August 22, 2025

In Sao Joao, Brazil, the average temperature in January is a pleasant 24°C (75°F). Expect minimums to dip to 19°C (66°F) and maximums reaching up to 33°C (91°F). With an average precipitation of 45 mm (1.8 in) spread over 15 days, there's a good chance of rain. The average humidity sits at a high 84%, making for a warm and humid atmosphere.

January Temperature in Sao Joao

In January in Sao Joao, the average temperature is 24°C (75°F), with maximums reaching up to 33°C (91°F) and minimums dipping as low as 19°C (66°F). This pleasant climate makes it an ideal time for traveling and exploring all that Sao Joao has to offer.

January Weather in Sao Joao: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sao Joao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Joao, January typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (91°F) and lows dropping to around 19°C (66°F).

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

January Precipitation in Sao Joao

In Sao Joao in January, the total precipitation amount is 45 mm (1.8 in) over the course of 15 days.

January Precipitation Trends in Sao Joao

The chart displays monthly precipitation patterns in Sao Joao, 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 Sao Joao, January typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 15 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 Sao Joao

In Sao Joao in January humidity is 84%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making it essential for travelers to stay hydrated and plan outdoor activities for early mornings or late afternoons when the heat is more bearable.

January Average Humidity in Sao Joao

This chart illustrates the average monthly humidity levels in Sao Joao, 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 Sao Joao is approximately 84%, 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 Sao Joao

In Sao Joao 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 Sao Joao.

Maximum UV Index Levels in Sao Joao for January

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

Data source: Sao Joao 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 Sao Joao Compares to Other Months

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

This table compares monthly weather conditions in Sao Joao, 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)	45 mm (1.8 inches)	84%	extreme
February Weather	24°C (76°F)	50 mm (2.0 inches)	87%	extreme
March Weather	24°C (76°F)	98 mm (3.8 inches)	88%	extreme
April Weather	24°C (75°F)	91 mm (3.6 inches)	89%	extreme
May Weather	22°C (73°F)	111 mm (4.4 inches)	90%	extreme
June Weather	21°C (71°F)	103 mm (4.1 inches)	89%	extreme
July Weather	20°C (69°F)	124 mm (4.9 inches)	86%	extreme
August Weather	20°C (69°F)	83 mm (3.3 inches)	84%	extreme
September Weather	21°C (71°F)	70 mm (2.7 inches)	79%	extreme
October Weather	23°C (73°F)	39 mm (1.5 inches)	74%	extreme
November Weather	24°C (75°F)	37 mm (1.5 inches)	71%	extreme
December Weather	24°C (75°F)	39 mm (1.5 inches)	72%	extreme