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May Weather in Joinville, Brazil

Last updated: August 22, 2025

In Joinville, Brazil during May, the average temperature is a pleasant 20°C (67°F). However, temperatures can vary significantly, with a minimum of 7°C (45°F) and a maximum reaching 31°C (88°F). Visitors should also prepare for some rainfall, as the area experiences an average precipitation of 112 mm (4.4 in) spread over 15 days. With an average humidity of 86%, it's advisable to stay hydrated and enjoy the vibrant atmosphere!

May Temperature in Joinville

In May in Joinville, the average temperature is 20°C (67°F). The maximum can reach 31°C (88°F), while the minimum can drop to as low as 7°C (45°F). Be prepared for a mix of warm days and cooler evenings, making it a great time for outdoor adventures and sightseeing.

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

The chart illustrates May 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, May typically has an average temperature of 20°C (67°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (45°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.

May Precipitation in Joinville

In Joinville in May, the precipitation amount is 112 mm (4.4 in) spread over a period of 15 days.

May Precipitation Trends in Joinville

The chart displays monthly precipitation patterns in Joinville, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Joinville, May typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec2652042001081121083370106166145209
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Joinville

In Joinville in May, humidity is 86%. With an average temperature of 20°C (67°F), this humidity feels like a warm blanket wrapping around you, making travel feel sticky and heavy; it's advisable to stay hydrated and take frequent breaks in the shade.

May Average Humidity in Joinville

This chart illustrates the average monthly humidity levels in Joinville, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Joinville is approximately 86%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Joinville

In Joinville in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Joinville.

Maximum UV Index Levels in Joinville for May

The chart shows the monthly maximum UV Index (UVI) for Joinville in May, 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 May, the maximum UV index in Joinville typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210766810131415
Data source: Joinville May 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 May 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 May’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 May’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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