January Weather in Santo Antonio, Brazil

Last updated: August 22, 2025

In January, the average temperature in Santo Antonio, Brazil is a warm 27°C (81°F). Expect minimums of 21°C (70°F) and occasional highs reaching 34°C (93°F). Humidity hovers around a high 86%, while precipitation totals about 37 mm (1.5 in) spread across 12 days. Prepare for a tropical experience!

January Temperature in Santo Antonio

In January in Santo Antonio, the average temperature is 27°C (81°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 21°C (70°F). This pleasant climate makes Santo Antonio an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

January Weather in Santo Antonio: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Santo Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Antonio, January typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 21°C (70°F).

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

January Precipitation in Santo Antonio

In Santo Antonio in January, the precipitation amount is 37 mm (1.5 in) over a span of 12 days.

January Precipitation Trends in Santo Antonio

The chart displays monthly precipitation patterns in Santo Antonio, 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 Santo Antonio, January typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 12 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 Santo Antonio

In Santo Antonio in January, humidity is 86%. With an average temperature of 27°C (81°F), this humidity feels like walking through a steamy blanket, making traveling feel heavy and exhausting as each step absorbs the warm, moist air.

January Average Humidity in Santo Antonio

This chart illustrates the average monthly humidity levels in Santo Antonio, 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 Santo Antonio 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 Santo Antonio

In Santo Antonio in January, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santo Antonio, you can check here.

Maximum UV Index Levels in Santo Antonio for January

The chart shows the monthly maximum UV Index (UVI) for Santo Antonio 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 Santo Antonio typically reaches 14, which falls under the extreme exposure category.

Data source: Santo Antonio 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 Santo Antonio Compares to Other Months

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

This table compares monthly weather conditions in Santo Antonio, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	37 mm (1.5 inches)	86%	extreme
February Weather	27°C (81°F)	81 mm (3.2 inches)	89%	extreme
March Weather	27°C (81°F)	119 mm (4.7 inches)	89%	extreme
April Weather	27°C (80°F)	93 mm (3.7 inches)	89%	extreme
May Weather	26°C (79°F)	79 mm (3.1 inches)	90%	extreme
June Weather	25°C (78°F)	55 mm (2.2 inches)	86%	extreme
July Weather	24°C (76°F)	76 mm (3.0 inches)	80%	extreme
August Weather	25°C (77°F)	14 mm (0.6 inches)	77%	extreme
September Weather	26°C (78°F)	14 mm (0.6 inches)	72%	extreme
October Weather	27°C (80°F)	15 mm (0.6 inches)	68%	extreme
November Weather	27°C (81°F)	15 mm (0.6 inches)	66%	extreme
December Weather	27°C (82°F)	26 mm (1.0 inches)	70%	extreme