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December Weather in Major Isidoro, Brazil

Last updated: August 22, 2025

In Major Isidoro, Brazil, the average temperature in December reaches a warm 28°C (82°F), with delightful peaks and valleys: minimums can drop to 20°C (69°F), while maximums can soar to 38°C (101°F). Expect some brief showers, as precipitation totals around 17 mm (0.7 in) over about 5 days. With an average humidity of 72%, you'll feel the warmth in the air while exploring this vibrant locale!

December Temperature in Major Isidoro

In December in Major Isidoro, the average temperature is 28°C (82°F). Maximums can reach 38°C (101°F) and minimums can be as low as 20°C (69°F). This makes it an ideal time for travelers seeking warm weather and comfortable conditions for outdoor activities.

December Weather in Major Isidoro: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Major Isidoro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Major Isidoro, December typically has an average temperature of 28°C (82°F), with highs reaching up to 38°C (101°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec828382807775737476808182
Data source: Temperature data for Major Isidoro 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 Major Isidoro

In Major Isidoro in December, the precipitation amount is 17 mm (0.7 in) over the course of 5 days.

December Precipitation Trends in Major Isidoro

The chart displays monthly precipitation patterns in Major Isidoro, 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 Major Isidoro, December typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec202574687171724331142518
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Major Isidoro

In Major Isidoro in December humidity is 72%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities both refreshing and slightly exhausting, as you find yourself sweating more quickly and seeking shade more often while exploring the vibrant surroundings.

December Average Humidity in Major Isidoro

This chart illustrates the average monthly humidity levels in Major Isidoro, 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 Major Isidoro is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%88%89%90%89%86%84%79%74%71%72%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Major Isidoro

In Major Isidoro in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Major Isidoro, you can check here.

Maximum UV Index Levels in Major Isidoro for December

The chart shows the monthly maximum UV Index (UVI) for Major Isidoro 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 Major Isidoro typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141414141210101213141514
Data source: Major Isidoro 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 Major Isidoro Compares to Other Months

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

This table compares monthly weather conditions in Major Isidoro, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)20 mm (0.8 inches)84%extreme
February Weather28°C (83°F)25 mm (1.0 inches)87%extreme
March Weather28°C (82°F)74 mm (2.9 inches)88%extreme
April Weather27°C (80°F)67 mm (2.7 inches)89%extreme
May Weather25°C (78°F)71 mm (2.8 inches)90%extreme
June Weather24°C (75°F)71 mm (2.8 inches)89%very high
July Weather23°C (73°F)72 mm (2.8 inches)86%very high
August Weather23°C (74°F)43 mm (1.7 inches)84%extreme
September Weather24°C (76°F)31 mm (1.2 inches)79%extreme
October Weather27°C (80°F)14 mm (0.5 inches)74%extreme
November Weather27°C (82°F)25 mm (1.0 inches)71%extreme
December Weather28°C (82°F)17 mm (0.7 inches)72%extreme

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