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December Weather in Joinville, Brazil

Last updated: August 22, 2025

In December, the average temperature in Joinville, Brazil hovers around 24°C (75°F), with lows dipping to 15°C (59°F) and highs soaring to 36°C (96°F). Expect a substantial precipitation amount of 209 mm (8.2 in) spread over 21 days, making it one of the wetter months. Coupled with an average humidity of 88%, this tropical climate envelops you in warmth and moisture.

December Temperature in Joinville

In December in Joinville, the average temperature is 24°C (75°F). Maximums can reach 36°C (96°F), while minimums can dip as low as 15°C (59°F). It's an ideal time for travelers to enjoy warm weather while still having cooler evenings to explore the area comfortably.

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

The chart illustrates December 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, December typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (96°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec787776726765636467707275
Data source: Temperature data for Joinville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Joinville

In Joinville in December, the precipitation amount is 209 mm (8.2 in) during a total of 21 days.

December Precipitation Trends in Joinville

The chart displays monthly precipitation patterns in Joinville, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Joinville, December typically receives around 209 mm (8.2 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec2652042001081121083370106166145209
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Joinville

In Joinville in December, 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.

December Average Humidity in Joinville

This chart illustrates the average monthly humidity levels in Joinville, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Joinville is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%85%85%86%85%80%79%82%82%86%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Joinville

In Joinville in December, 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 December

The chart shows the monthly maximum UV Index (UVI) for Joinville in December, 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 December, the maximum UV index in Joinville typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210766810131415
Data source: Joinville December 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 December 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)264 mm (10.4 inches)86%extreme
February Weather25°C (77°F)204 mm (8.0 inches)83%extreme
March Weather24°C (76°F)199 mm (7.9 inches)85%extreme
April Weather22°C (72°F)108 mm (4.3 inches)85%very high
May Weather20°C (67°F)112 mm (4.4 inches)86%high
June Weather18°C (65°F)108 mm (4.3 inches)85%high
July Weather17°C (63°F)33 mm (1.3 inches)80%high
August Weather18°C (64°F)70 mm (2.7 inches)79%very high
September Weather20°C (68°F)106 mm (4.2 inches)82%very high
October Weather21°C (70°F)166 mm (6.5 inches)82%extreme
November Weather22°C (72°F)145 mm (5.7 inches)86%extreme
December Weather24°C (75°F)209 mm (8.2 inches)88%extreme

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