January Weather in Osasco, Brazil

Last updated: August 22, 2025

In January, the average temperature in Osasco, Brazil hovers around 23°C (74°F). You can expect a minimum of 15°C (59°F) and a maximum that can reach up to 34°C (93°F). This month typically sees about 177 mm (7.0 in) of precipitation spread across 20 days, contributing to an average humidity of 88%. Prepare for a warm, humid experience!

January Temperature in Osasco

In January in Osasco, 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 Osasco an ideal destination for travelers seeking pleasant weather during this time of year.

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

The chart illustrates January temperature patterns in Osasco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osasco, 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 Osasco generated using information from the Copernicus Climate Change Service.

January Precipitation in Osasco

In Osasco in January, the precipitation amount reaches 177 mm (7.0 in) over the course of 20 days.

January Precipitation Trends in Osasco

The chart displays monthly precipitation patterns in Osasco, 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 Osasco, January typically receives around 177 mm (7.0 inches) of precipitation spread over approximately 20 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 Osasco

In Osasco 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 Osasco

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

In Osasco 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 Osasco.

Maximum UV Index Levels in Osasco for January

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

Data source: Osasco 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 Osasco Compares to Other Months

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

This table compares monthly weather conditions in Osasco, 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)	177 mm (7.0 inches)	88%	extreme
February Weather	23°C (73°F)	158 mm (6.2 inches)	88%	extreme
March Weather	23°C (73°F)	135 mm (5.3 inches)	87%	extreme
April Weather	20°C (69°F)	55 mm (2.2 inches)	84%	extreme
May Weather	18°C (65°F)	48 mm (1.9 inches)	79%	very high
June Weather	18°C (64°F)	45 mm (1.8 inches)	77%	high
July Weather	17°C (62°F)	25 mm (1.0 inches)	72%	high
August Weather	17°C (63°F)	57 mm (2.2 inches)	65%	very high
September Weather	20°C (69°F)	40 mm (1.6 inches)	58%	extreme
October Weather	21°C (70°F)	118 mm (4.6 inches)	50%	extreme
November Weather	21°C (69°F)	116 mm (4.6 inches)	75%	extreme
December Weather	22°C (72°F)	143 mm (5.6 inches)	80%	extreme