January Weather in Cotia, Brazil

Last updated: August 22, 2025

In Cotia, Brazil, the average temperature in January is a warm 23°C (74°F), with minimums dipping to 15°C (59°F) and maximums soaring up to 34°C (93°F). Expect considerable rainfall, with a total precipitation of 175 mm (6.9 in) spread over 19 days. The atmosphere is quite muggy, with an average humidity level of 88%. Perfect for enjoying tropical vibes!

January Temperature in Cotia

In January in Cotia, the average temperature is 23°C (74°F). Maximums can reach 34°C (93°F), while minimums can be as low as 15°C (59°F). This mild climate makes Cotia an ideal destination for travelers seeking pleasant weather during this time of year.

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

The chart illustrates January temperature patterns in Cotia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cotia, January typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 15°C (59°F).

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

January Precipitation in Cotia

In Cotia in January, the precipitation amount is 175 mm (6.9 in) spread over 19 days.

January Precipitation Trends in Cotia

The chart displays monthly precipitation patterns in Cotia, 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 Cotia, January typically receives around 175 mm (6.9 inches) of precipitation spread over approximately 19 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 Cotia

In Cotia in January, humidity is 88%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities quickly exhausting and urging travelers to seek shade or refreshing drinks to stay comfortable.

January Average Humidity in Cotia

This chart illustrates the average monthly humidity levels in Cotia, 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 Cotia is approximately 88%, 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 Cotia

In Cotia 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 Cotia.

Maximum UV Index Levels in Cotia for January

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

Data source: Cotia 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 Cotia Compares to Other Months

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

This table compares monthly weather conditions in Cotia, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	175 mm (6.9 inches)	88%	extreme
February Weather	22°C (73°F)	159 mm (6.3 inches)	88%	extreme
March Weather	22°C (73°F)	129 mm (5.1 inches)	87%	extreme
April Weather	20°C (69°F)	54 mm (2.1 inches)	84%	extreme
May Weather	18°C (65°F)	46 mm (1.8 inches)	79%	very high
June Weather	18°C (64°F)	46 mm (1.8 inches)	77%	high
July Weather	17°C (62°F)	24 mm (0.9 inches)	72%	high
August Weather	17°C (63°F)	55 mm (2.2 inches)	65%	very high
September Weather	20°C (69°F)	38 mm (1.5 inches)	58%	extreme
October Weather	21°C (70°F)	115 mm (4.5 inches)	50%	extreme
November Weather	21°C (69°F)	119 mm (4.7 inches)	75%	extreme
December Weather	22°C (72°F)	149 mm (5.9 inches)	80%	extreme