January Weather in Sao Joao da Barra, Brazil

Last updated: August 22, 2025

In January, the average temperature in Sao Joao da Barra, Brazil hovers around 26°C (79°F), offering a pleasant climate for outdoor activities. Expect minimum temperatures of 22°C (72°F) and maximums reaching 30°C (87°F). With an average humidity of 80%, the air feels warm and inviting. However, be prepared for some rain, as precipitation amounts to 68 mm (2.7 in) over 6 days.

January Temperature in Sao Joao da Barra

In January in Sao Joao da Barra, the average temperature is 26°C (79°F). Maximums can reach 30°C (87°F), and minimums can be as low as 22°C (72°F). This pleasant weather makes it an ideal time for outdoor activities and sightseeing.

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

The chart illustrates January temperature patterns in Sao Joao da Barra, 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 da Barra, January typically has an average temperature of 26°C (79°F), with highs reaching up to 30°C (87°F) and lows dropping to around 22°C (72°F).

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

January Precipitation in Sao Joao da Barra

In Sao Joao da Barra in January, the precipitation amount is 68 mm (2.7 in) spread over the course of 6 days.

January Precipitation Trends in Sao Joao da Barra

The chart displays monthly precipitation patterns in Sao Joao da Barra, 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 da Barra, January typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 6 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 Sao Joao da Barra

In Sao Joao da Barra in January humidity is 80%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket, making outdoor activities feel sticky and exhausting, potentially dampening the travel experience and necessitating frequent breaks to cool down and hydrate.

January Average Humidity in Sao Joao da Barra

This chart illustrates the average monthly humidity levels in Sao Joao da Barra, 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 da Barra is approximately 80%, 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 da Barra

In Sao Joao da Barra 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 Sao Joao da Barra.

Maximum UV Index Levels in Sao Joao da Barra for January

The chart shows the monthly maximum UV Index (UVI) for Sao Joao da Barra 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 da Barra typically reaches 16, which falls under the extreme exposure category.

Data source: Sao Joao da Barra 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 da Barra Compares to Other Months

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

This table compares monthly weather conditions in Sao Joao da Barra, 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)	68 mm (2.7 inches)	80%	extreme
February Weather	26°C (79°F)	122 mm (4.8 inches)	85%	extreme
March Weather	26°C (79°F)	96 mm (3.8 inches)	86%	extreme
April Weather	25°C (78°F)	81 mm (3.2 inches)	85%	extreme
May Weather	24°C (75°F)	64 mm (2.5 inches)	82%	very high
June Weather	23°C (74°F)	30 mm (1.2 inches)	81%	high
July Weather	22°C (72°F)	26 mm (1.0 inches)	79%	very high
August Weather	22°C (72°F)	45 mm (1.8 inches)	75%	very high
September Weather	23°C (74°F)	48 mm (1.9 inches)	72%	extreme
October Weather	24°C (75°F)	89 mm (3.5 inches)	66%	extreme
November Weather	24°C (75°F)	145 mm (5.7 inches)	69%	extreme
December Weather	25°C (77°F)	112 mm (4.4 inches)	72%	extreme