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December Weather in Passos, Brazil

Last updated: August 22, 2025

In Passos, Brazil, the average temperature in December is a pleasant 23°C (74°F). Expect a range that can dip to a minimum of 15°C (59°F) and peak at a warm 33°C (91°F). During this month, precipitation totals around 220 mm (8.7 in) spread over 21 days, contributing to an average humidity of 72%. Embrace the seasonal charm!

December Temperature in Passos

In December in Passos, the average temperature is 23°C (74°F). Maximums can reach 33°C (91°F), and minimums can be as low as 15°C (59°F). This comfortable climate makes Passos an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

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

The chart illustrates December temperature patterns in Passos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Passos, December typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (91°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec747474716666636773747373
Data source: Temperature data for Passos 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 Passos

In Passos in December, the total precipitation amount is 220 mm (8.7 in) spread over 21 days.

December Precipitation Trends in Passos

The chart displays monthly precipitation patterns in Passos, 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 Passos, December typically receives around 220 mm (8.7 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec1501891204128741128120167220
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Passos

In Passos in December humidity is 72%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities a challenge but offering a refreshing atmosphere for leisurely strolls in the shade.

December Average Humidity in Passos

This chart illustrates the average monthly humidity levels in Passos, 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 Passos is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%87%80%74%72%67%58%49%36%65%72%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Passos

In Passos in December, 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 Passos.

Maximum UV Index Levels in Passos for December

The chart shows the monthly maximum UV Index (UVI) for Passos 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 Passos typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161614129781112141416
Data source: Passos 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 Passos Compares to Other Months

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

This table compares monthly weather conditions in Passos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)150 mm (5.9 inches)85%extreme
February Weather23°C (74°F)188 mm (7.4 inches)87%extreme
March Weather23°C (74°F)120 mm (4.7 inches)87%extreme
April Weather22°C (71°F)41 mm (1.6 inches)80%extreme
May Weather19°C (67°F)28 mm (1.1 inches)74%very high
June Weather19°C (66°F)7 mm (0.3 inches)72%high
July Weather17°C (63°F)4 mm (0.1 inches)67%very high
August Weather19°C (67°F)11 mm (0.4 inches)58%extreme
September Weather23°C (74°F)28 mm (1.1 inches)49%extreme
October Weather23°C (74°F)120 mm (4.7 inches)36%extreme
November Weather23°C (73°F)167 mm (6.6 inches)65%extreme
December Weather23°C (74°F)220 mm (8.7 inches)72%extreme

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