January Weather in Joinville, Brazil

Last updated: August 22, 2025

In January, the average temperature in Joinville, Brazil hovers around 26°C (78°F), with minimums dipping to 18°C (64°F) and maximums soaring up to 38°C (101°F). Expect precipitation of approximately 264 mm (10.4 in) spread over 21 days, and brace for a high average humidity level of 86%.

January Temperature in Joinville

In January in Joinville, the average temperature is 26°C (78°F). Maximums can reach 38°C (101°F), and minimums can be as low as 18°C (64°F). This makes it an ideal time for travelers seeking warm weather and outdoor activities.

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

The chart illustrates January temperature patterns in Joinville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joinville, January typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 18°C (64°F).

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

January Precipitation in Joinville

In Joinville in January, the precipitation amount is 264 mm (10.4 in) over the course of 21 days.

January Precipitation Trends in Joinville

The chart displays monthly precipitation patterns in Joinville, 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 Joinville, January typically receives around 264 mm (10.4 inches) of precipitation spread over approximately 21 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 Joinville

In Joinville in January, humidity is 86%. With an average temperature of 26°C (78°F), this humidity feels like an overwhelming blanket that clings to your skin, making any outdoor activity feel more strenuous and causing you to seek shade and refreshment more often during your travels.

January Average Humidity in Joinville

This chart illustrates the average monthly humidity levels in Joinville, 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 Joinville is approximately 86%, 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 Joinville

In Joinville 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 Joinville.

Maximum UV Index Levels in Joinville for January

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

Data source: Joinville 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 Joinville Compares to Other Months

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

This table compares monthly weather conditions in Joinville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (78°F)	264 mm (10.4 inches)	86%	extreme
February Weather	25°C (77°F)	204 mm (8.0 inches)	83%	extreme
March Weather	24°C (76°F)	199 mm (7.9 inches)	85%	extreme
April Weather	22°C (72°F)	108 mm (4.3 inches)	85%	very high
May Weather	20°C (67°F)	112 mm (4.4 inches)	86%	high
June Weather	18°C (65°F)	108 mm (4.3 inches)	85%	high
July Weather	17°C (63°F)	33 mm (1.3 inches)	80%	high
August Weather	18°C (64°F)	70 mm (2.7 inches)	79%	very high
September Weather	20°C (68°F)	106 mm (4.2 inches)	82%	very high
October Weather	21°C (70°F)	166 mm (6.5 inches)	82%	extreme
November Weather	22°C (72°F)	145 mm (5.7 inches)	86%	extreme
December Weather	24°C (75°F)	209 mm (8.2 inches)	88%	extreme