January Weather in Rio do Sul, Brazil

Last updated: August 22, 2025

In Rio do Sul, Brazil, the average temperature in January is a pleasant 23°C (74°F). Expect a range where the minimum dips to 14°C (58°F) and the maximum can soar to 36°C (97°F). Be prepared for some rain, as precipitation averages 155 mm (6.1 in) over 18 days, and humidity levels can be quite high at 86%.

January Temperature in Rio do Sul

In January in Rio do Sul, the average temperature is 23°C (74°F), with maximums reaching 36°C (97°F) and minimums dropping to as low as 14°C (58°F). This comfortable climate makes Rio do Sul an ideal destination for outdoor activities and exploration.

January Weather in Rio do Sul: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rio do Sul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio do Sul, January typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec737271666158565864666871
Data source: Temperature data for Rio do Sul 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.

January Precipitation in Rio do Sul

In Rio do Sul in January, the total precipitation amount is 155 mm (6.1 in) spread over 18 days.

January Precipitation Trends in Rio do Sul

The chart displays monthly precipitation patterns in Rio do Sul, 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 Rio do Sul, January typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec155130109691011075081100134123174
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Rio do Sul

In Rio do Sul in January, humidity is 86%. With an average temperature of 23°C (74°F), this humidity feels like you're stepping into a warm embrace, making travel a bit sticky yet invigorating, as the air wraps around you, inviting you to explore while reminding you to stay hydrated.

January Average Humidity in Rio do Sul

This chart illustrates the average monthly humidity levels in Rio do Sul, 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 Rio do Sul 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Rio do Sul

In Rio do Sul 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 Rio do Sul.

Maximum UV Index Levels in Rio do Sul for January

The chart shows the monthly maximum UV Index (UVI) for Rio do Sul 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 Rio do Sul typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210756811131515
Data source: Rio do Sul 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 Rio do Sul Compares to Other Months

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

This table compares monthly weather conditions in Rio do Sul, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)155 mm (6.1 inches)86%extreme
February Weather22°C (73°F)130 mm (5.1 inches)83%extreme
March Weather22°C (71°F)109 mm (4.3 inches)85%extreme
April Weather19°C (66°F)69 mm (2.7 inches)85%very high
May Weather16°C (61°F)101 mm (4.0 inches)86%high
June Weather15°C (59°F)107 mm (4.2 inches)85%moderate
July Weather13°C (56°F)50 mm (2.0 inches)80%high
August Weather15°C (58°F)81 mm (3.2 inches)79%very high
September Weather18°C (64°F)100 mm (4.0 inches)82%extreme
October Weather19°C (66°F)134 mm (5.3 inches)82%extreme
November Weather20°C (68°F)123 mm (4.8 inches)86%extreme
December Weather22°C (72°F)174 mm (6.8 inches)88%extreme

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