January Weather in Jacarei, Brazil

Last updated: August 22, 2025

In Jacarei, Brazil, the average temperature in January hovers around 24°C (75°F), with a minimum of 15°C (59°F) and a maximum reaching up to 34°C (93°F). Expect a fair amount of rain, with 161 mm (6.3 in) of precipitation spread across 17 days. Additionally, the average humidity is quite high at 88%, creating a warm and moist atmosphere.

January Temperature in Jacarei

In January in Jacarei, the average temperature is 24°C (75°F). Maximums can reach 34°C (93°F) and minimums can be as low as 15°C (59°F). This pleasant weather makes Jacarei an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates January temperature patterns in Jacarei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jacarei, January typically has an average temperature of 24°C (75°F), with highs reaching up to 34°C (93°F) and lows dropping to around 15°C (59°F).

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

January Precipitation in Jacarei

In Jacarei in January, the total precipitation amount is 161 mm (6.3 in), recorded over a span of 17 days.

January Precipitation Trends in Jacarei

The chart displays monthly precipitation patterns in Jacarei, 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 Jacarei, January typically receives around 161 mm (6.3 inches) of precipitation spread over approximately 17 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 Jacarei

In Jacarei in January, humidity is 88%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket enveloping you, making it crucial to stay hydrated while exploring the sights.

January Average Humidity in Jacarei

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

In Jacarei 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 Jacarei.

Maximum UV Index Levels in Jacarei for January

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

Data source: Jacarei 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 Jacarei Compares to Other Months

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

This table compares monthly weather conditions in Jacarei, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	161 mm (6.3 inches)	88%	extreme
February Weather	23°C (74°F)	154 mm (6.0 inches)	88%	extreme
March Weather	23°C (74°F)	122 mm (4.8 inches)	87%	extreme
April Weather	21°C (70°F)	47 mm (1.8 inches)	84%	extreme
May Weather	19°C (66°F)	50 mm (2.0 inches)	79%	very high
June Weather	18°C (65°F)	35 mm (1.4 inches)	77%	high
July Weather	17°C (62°F)	21 mm (0.8 inches)	72%	high
August Weather	18°C (64°F)	54 mm (2.1 inches)	65%	very high
September Weather	21°C (70°F)	50 mm (2.0 inches)	58%	extreme
October Weather	21°C (71°F)	120 mm (4.7 inches)	50%	extreme
November Weather	21°C (71°F)	123 mm (4.8 inches)	75%	extreme
December Weather	23°C (73°F)	149 mm (5.9 inches)	80%	extreme