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December Weather in Portoviejo, Ecuador

Last updated: August 23, 2025

In Portoviejo, Ecuador, the average temperature in December is a warm 26°C (78°F), with a minimum of 21°C (69°F) and a maximum reaching up to 34°C (93°F). Expect about 52 mm (2.0 in) of precipitation spread over 11 days, accompanied by high humidity levels averaging 90%.

December Temperature in Portoviejo

In December in Portoviejo, the average temperature is 26°C (78°F), with maximums reaching up to 34°C (93°F) and minimums dropping to as low as 21°C (69°F). This makes it an ideal time for travelers seeking warm and pleasant weather.

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

The chart illustrates December temperature patterns in Portoviejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portoviejo, December typically has an average temperature of 26°C (78°F), with highs reaching up to 34°C (93°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980807978777676767778
Data source: Temperature data for Portoviejo 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 Portoviejo

In Portoviejo in December, the total precipitation amount is 52 mm (2.0 in), occurring over the course of 11 days.

December Precipitation Trends in Portoviejo

The chart displays monthly precipitation patterns in Portoviejo, 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 Portoviejo, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec981902331157221889141052
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Portoviejo

In Portoviejo in December humidity is 90%. With an average temperature of 26°C (78°F), this humidity feels like a suffocating blanket that sticks to your skin, making even the simplest outdoor activities feel exhausting and draining.

December Average Humidity in Portoviejo

This chart illustrates the average monthly humidity levels in Portoviejo, 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 Portoviejo is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%90%89%89%90%89%87%89%90%90%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Portoviejo

In Portoviejo in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Portoviejo.

Maximum UV Index Levels in Portoviejo for December

The chart shows the monthly maximum UV Index (UVI) for Portoviejo 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 Portoviejo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415151311111213131211
Data source: Portoviejo 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 Portoviejo Compares to Other Months

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

This table compares monthly weather conditions in Portoviejo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)98 mm (3.9 inches)91%extreme
February Weather26°C (80°F)190 mm (7.5 inches)90%extreme
March Weather26°C (80°F)233 mm (9.2 inches)90%extreme
April Weather27°C (80°F)115 mm (4.5 inches)89%extreme
May Weather26°C (79°F)72 mm (2.8 inches)89%extreme
June Weather25°C (78°F)21 mm (0.8 inches)90%extreme
July Weather25°C (77°F)8 mm (0.3 inches)89%extreme
August Weather24°C (76°F)8 mm (0.3 inches)87%extreme
September Weather25°C (76°F)9 mm (0.3 inches)89%extreme
October Weather25°C (76°F)14 mm (0.5 inches)90%extreme
November Weather25°C (77°F)10 mm (0.4 inches)90%extreme
December Weather26°C (78°F)52 mm (2.0 inches)90%extreme

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