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December Weather in Macas, Ecuador

Last updated: August 23, 2025

In Macas, Ecuador, the average temperature in December hovers around 20°C (69°F). Expect pleasant days with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 28°C (83°F). However, be prepared for some dampness, as the area receives an average precipitation of 446 mm (17.6 in) over 31 days, coupled with a high average humidity of 86%.

December Temperature in Macas

In December, in Macas, the average temperature is 20°C (69°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop to as low as 16°C (60°F). This mild weather makes it an ideal time for travelers to explore the beautiful sights and enjoy outdoor activities.

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

The chart illustrates December temperature patterns in Macas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macas, December typically has an average temperature of 20°C (69°F), with highs reaching up to 28°C (83°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec686969696867666768686969
Data source: Temperature data for Macas 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 Macas

In Macas in December, the total precipitation amount is 446 mm (17.6 in) spread over 31 days.

December Precipitation Trends in Macas

The chart displays monthly precipitation patterns in Macas, 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 Macas, December typically receives around 446 mm (17.6 inches) of precipitation spread over approximately 31 days.
JanFebMarAprMayJunJulAugSepOctNovDec426463479485600575464308277347326446
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Macas

In Macas in December, humidity is 86%. With an average temperature of 20°C (69°F), this humidity feels like a warm, dense blanket wrapping around you, making travel feel sluggish and sticky, as each step can leave you yearning for a cool breeze or a refreshing drink.

December Average Humidity in Macas

This chart illustrates the average monthly humidity levels in Macas, 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 Macas is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%79%86%88%92%87%67%57%62%77%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Macas

In Macas 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 Macas.

Maximum UV Index Levels in Macas for December

The chart shows the monthly maximum UV Index (UVI) for Macas 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 Macas typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161513121316151413
Data source: Macas 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 Macas Compares to Other Months

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

This table compares monthly weather conditions in Macas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)426 mm (16.8 inches)81%extreme
February Weather21°C (69°F)463 mm (18.2 inches)79%extreme
March Weather20°C (69°F)479 mm (18.9 inches)85%extreme
April Weather20°C (69°F)485 mm (19.1 inches)88%extreme
May Weather20°C (68°F)600 mm (23.6 inches)92%extreme
June Weather19°C (67°F)575 mm (22.6 inches)87%extreme
July Weather19°C (66°F)464 mm (18.3 inches)67%extreme
August Weather19°C (67°F)308 mm (12.1 inches)57%extreme
September Weather20°C (68°F)277 mm (10.9 inches)62%extreme
October Weather20°C (69°F)347 mm (13.7 inches)77%extreme
November Weather21°C (69°F)326 mm (12.8 inches)82%extreme
December Weather20°C (69°F)446 mm (17.6 inches)86%extreme

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