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December Weather in Obidos, Brazil

Last updated: August 22, 2025

In Obidos, Brazil, the average temperature in December is a warm 27°C (81°F). Expect minima around 24°C (75°F) and maxima reaching 34°C (93°F). However, with an average humidity of 83% and a significant precipitation amount of 319 mm (12.5 in) over 26 days, you'll want to be prepared for a few rain showers during your stay!

December Temperature in Obidos

In December in Obidos, the average temperature is 27°C (81°F). The maximum can reach 34°C (93°F), while the minimum can drop to 24°C (75°F). This makes Obidos an ideal destination for travelers seeking warm weather and sunny days.

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

The chart illustrates December temperature patterns in Obidos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Obidos, December typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec808080808181818384848381
Data source: Temperature data for Obidos 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 Obidos

In Obidos in December, the total precipitation amount is 319 mm (12.5 in), spread over 26 days.

December Precipitation Trends in Obidos

The chart displays monthly precipitation patterns in Obidos, 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 Obidos, December typically receives around 319 mm (12.5 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec3123553194513041711146261105194319
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Obidos

In Obidos in December humidity is 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.

December Average Humidity in Obidos

This chart illustrates the average monthly humidity levels in Obidos, 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 Obidos is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%79%82%89%90%84%73%55%43%37%41%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Obidos

In Obidos in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Obidos.

Maximum UV Index Levels in Obidos for December

The chart shows the monthly maximum UV Index (UVI) for Obidos 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 Obidos typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151517161312111212131313
Data source: Obidos 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 Obidos Compares to Other Months

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

This table compares monthly weather conditions in Obidos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)312 mm (12.3 inches)85%extreme
February Weather27°C (80°F)355 mm (14.0 inches)79%extreme
March Weather27°C (80°F)319 mm (12.6 inches)81%extreme
April Weather27°C (80°F)451 mm (17.8 inches)89%extreme
May Weather27°C (81°F)304 mm (12.0 inches)90%extreme
June Weather27°C (81°F)171 mm (6.7 inches)84%extreme
July Weather27°C (82°F)114 mm (4.5 inches)73%extreme
August Weather28°C (83°F)62 mm (2.5 inches)55%extreme
September Weather29°C (85°F)61 mm (2.4 inches)43%extreme
October Weather29°C (85°F)105 mm (4.1 inches)36%extreme
November Weather28°C (83°F)194 mm (7.6 inches)41%extreme
December Weather27°C (81°F)319 mm (12.5 inches)83%extreme

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