January Weather in Bastos, Brazil

Last updated: August 22, 2025

In Bastos, Brazil, the average temperature in January hovers around a warm 26°C (79°F). Expect minimums of 18°C (65°F) and maximums reaching up to 37°C (100°F). During this time, you can anticipate precipitation totaling 149 mm (5.9 in) over approximately 17 days, with an average humidity of 84%.

January Temperature in Bastos

In January in Bastos, the average temperature is 26°C (79°F). Maximum temperatures can reach 37°C (100°F), while minimums can drop as low as 18°C (65°F). This makes Bastos an ideal destination for travelers seeking warm weather and plenty of sunshine.

January Weather in Bastos: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Bastos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bastos, January typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (100°F) and lows dropping to around 18°C (65°F).

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

January Precipitation in Bastos

In Bastos in January, the precipitation amount is 149 mm (5.9 in) spread over 17 days.

January Precipitation Trends in Bastos

The chart displays monthly precipitation patterns in Bastos, 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 Bastos, January typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 17 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 Bastos

In Bastos in January, humidity is 84%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and exhausting, yet the vibrant atmosphere and lush surroundings offer a refreshing allure that invites exploration.

January Average Humidity in Bastos

This chart illustrates the average monthly humidity levels in Bastos, 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 Bastos 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 Bastos

In Bastos 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 Bastos.

Maximum UV Index Levels in Bastos for January

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

Data source: Bastos 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 Bastos Compares to Other Months

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

This table compares monthly weather conditions in Bastos, 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)	149 mm (5.9 inches)	84%	extreme
February Weather	26°C (79°F)	144 mm (5.7 inches)	81%	extreme
March Weather	26°C (79°F)	86 mm (3.4 inches)	81%	extreme
April Weather	24°C (76°F)	45 mm (1.8 inches)	75%	extreme
May Weather	22°C (71°F)	41 mm (1.6 inches)	68%	very high
June Weather	21°C (70°F)	25 mm (1.0 inches)	64%	high
July Weather	21°C (70°F)	6 mm (0.2 inches)	58%	high
August Weather	22°C (71°F)	45 mm (1.8 inches)	49%	very high
September Weather	26°C (79°F)	30 mm (1.2 inches)	47%	extreme
October Weather	26°C (78°F)	105 mm (4.1 inches)	44%	extreme
November Weather	26°C (79°F)	102 mm (4.0 inches)	68%	extreme
December Weather	26°C (79°F)	141 mm (5.5 inches)	82%	extreme