January Weather in Sao Marcos, Brazil

Last updated: August 22, 2025

In January, the average temperature in Sao Marcos, Brazil hovers around 21°C (71°F), making it a pleasant time to visit. Be prepared for temperature fluctuations, with a minimum of 9°C (49°F) and a maximum soaring up to 34°C (93°F). Expect some rain, as the region receives an average precipitation of 158 mm (6.2 in) over approximately 15 days. With an average humidity of 80%, it’s advisable to stay hydrated and enjoy the refreshing atmosphere!

January Temperature in Sao Marcos

In January in Sao Marcos, the average temperature is 21°C (71°F). The maximum can reach 34°C (93°F), while the minimum can drop to as low as 9°C (49°F). This weather makes Sao Marcos a great destination for travelers seeking mild temperatures and the opportunity to experience both warm and cooler days.

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

The chart illustrates January temperature patterns in Sao Marcos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Marcos, January typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (49°F).

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

January Precipitation in Sao Marcos

In Sao Marcos in January, the precipitation amount is 158 mm (6.2 in) over the course of 15 days.

January Precipitation Trends in Sao Marcos

The chart displays monthly precipitation patterns in Sao Marcos, 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 Marcos, January typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 15 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 Marcos

In Sao Marcos in January humidity is 80%. With an average temperature of 21°C (71°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities feel more exhausting and requiring frequent breaks to stay hydrated.

January Average Humidity in Sao Marcos

This chart illustrates the average monthly humidity levels in Sao Marcos, 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 Marcos 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 Marcos

In Sao Marcos 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 Marcos.

Maximum UV Index Levels in Sao Marcos for January

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

Data source: Sao Marcos 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 Marcos Compares to Other Months

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

This table compares monthly weather conditions in Sao Marcos, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (71°F)	158 mm (6.2 inches)	80%	extreme
February Weather	20°C (69°F)	144 mm (5.7 inches)	77%	extreme
March Weather	19°C (67°F)	124 mm (4.9 inches)	79%	extreme
April Weather	17°C (63°F)	90 mm (3.6 inches)	83%	very high
May Weather	14°C (57°F)	178 mm (7.0 inches)	88%	high
June Weather	13°C (55°F)	125 mm (4.9 inches)	86%	moderate
July Weather	12°C (53°F)	134 mm (5.3 inches)	82%	moderate
August Weather	13°C (56°F)	78 mm (3.1 inches)	77%	high
September Weather	16°C (61°F)	156 mm (6.1 inches)	80%	very high
October Weather	17°C (63°F)	142 mm (5.6 inches)	84%	extreme
November Weather	18°C (65°F)	139 mm (5.5 inches)	83%	extreme
December Weather	20°C (69°F)	98 mm (3.8 inches)	87%	extreme