January Weather in Sao Mateus do Maranhao, Brazil

Last updated: August 22, 2025

In January, the average temperature in Sao Mateus do Maranhao, Brazil is a warm 27°C (81°F), perfect for outdoor adventures. Expect a minimum of 22°C (73°F) and a maximum of 35°C (96°F), offering a comfortable range for everyone. However, be prepared for 243 mm (9.6 in) of precipitation spread over 24 days, resulting in an average humidity of 90%. Whether you’re exploring or relaxing, pack accordingly for the unique weather!

January Temperature in Sao Mateus do Maranhao

In January in Sao Mateus do Maranhao, the average temperature hovers around 27°C (81°F), with maximums soaring up to 35°C (96°F) and minimums dipping as low as 22°C (73°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.

January Weather in Sao Mateus do Maranhao: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sao Mateus do Maranhao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Mateus do Maranhao, January typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (96°F) and lows dropping to around 22°C (73°F).

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

January Precipitation in Sao Mateus do Maranhao

In Sao Mateus do Maranhao in January, the total precipitation amount is 243 mm (9.6 in) spread over 24 days.

January Precipitation Trends in Sao Mateus do Maranhao

The chart displays monthly precipitation patterns in Sao Mateus do Maranhao, 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 Mateus do Maranhao, January typically receives around 243 mm (9.6 inches) of precipitation spread over approximately 24 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 Mateus do Maranhao

In Sao Mateus do Maranhao in January, humidity is 90%. With an average temperature of 27°C (81°F), this humidity feels like walking through a heavy fog, making outdoor activities uncomfortable and exhausting, and leaving travelers drenched in sweat within minutes.

January Average Humidity in Sao Mateus do Maranhao

This chart illustrates the average monthly humidity levels in Sao Mateus do Maranhao, 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 Mateus do Maranhao is approximately 90%, 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 Mateus do Maranhao

In Sao Mateus do Maranhao 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 Mateus do Maranhao.

Maximum UV Index Levels in Sao Mateus do Maranhao for January

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

Data source: Sao Mateus do Maranhao 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 Mateus do Maranhao Compares to Other Months

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

This table compares monthly weather conditions in Sao Mateus do Maranhao, 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)	243 mm (9.6 inches)	90%	extreme
February Weather	27°C (81°F)	290 mm (11.4 inches)	91%	extreme
March Weather	27°C (80°F)	365 mm (14.4 inches)	92%	extreme
April Weather	27°C (81°F)	279 mm (11.0 inches)	93%	extreme
May Weather	27°C (82°F)	110 mm (4.3 inches)	88%	extreme
June Weather	28°C (82°F)	29 mm (1.1 inches)	75%	extreme
July Weather	28°C (82°F)	17 mm (0.7 inches)	52%	extreme
August Weather	29°C (84°F)	6 mm (0.2 inches)	42%	extreme
September Weather	30°C (86°F)	6 mm (0.2 inches)	36%	extreme
October Weather	30°C (86°F)	20 mm (0.8 inches)	35%	extreme
November Weather	29°C (85°F)	77 mm (3.1 inches)	43%	extreme
December Weather	28°C (84°F)	111 mm (4.4 inches)	76%	extreme