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December Weather in Santa Lucia, Ecuador

Last updated: August 23, 2025

In December, the average temperature in Santa Lucia, Ecuador hovers around 25°C (78°F), making it a delightful time to visit. Expect temperatures to range from a comfortable 21°C (69°F) to a warm 32°C (89°F). However, be prepared for some rainy days, as precipitation averages 105 mm (4.1 in) over 15 days, and with an average humidity of 88%, the air can feel quite tropical.

December Temperature in Santa Lucia

In December in Santa Lucia, the average temperature is 25°C (78°F). Maximums can reach 32°C (89°F), while minimums can be as low as 21°C (69°F). This pleasant climate makes Santa Lucia an ideal destination for travelers seeking warm and enjoyable weather.

December Weather in Santa Lucia: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Lucia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Lucia, December typically has an average temperature of 25°C (78°F), with highs reaching up to 32°C (89°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980807877757475757677
Data source: Temperature data for Santa Lucia 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 Santa Lucia

In Santa Lucia in December, the total precipitation amount is 105 mm (4.1 in) over a span of 15 days.

December Precipitation Trends in Santa Lucia

The chart displays monthly precipitation patterns in Santa Lucia, 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 Santa Lucia, December typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec1983634952802141127046696036105
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Lucia

In Santa Lucia in December, humidity is 88%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities a sweat-drenched challenge and prompting frequent breaks in the shade to cool off.

December Average Humidity in Santa Lucia

This chart illustrates the average monthly humidity levels in Santa Lucia, 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 Santa Lucia is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%84%87%87%84%84%86%86%87%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Lucia

In Santa Lucia in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Santa Lucia.

Maximum UV Index Levels in Santa Lucia for December

The chart shows the monthly maximum UV Index (UVI) for Santa Lucia 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 Santa Lucia typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141211101113131112
Data source: Santa Lucia 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 Santa Lucia Compares to Other Months

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

This table compares monthly weather conditions in Santa Lucia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)198 mm (7.8 inches)88%extreme
February Weather26°C (80°F)363 mm (14.3 inches)87%extreme
March Weather27°C (80°F)495 mm (19.5 inches)86%extreme
April Weather27°C (80°F)280 mm (11.0 inches)84%extreme
May Weather26°C (79°F)214 mm (8.4 inches)87%extreme
June Weather25°C (77°F)112 mm (4.4 inches)87%extreme
July Weather24°C (75°F)70 mm (2.8 inches)84%very high
August Weather24°C (75°F)46 mm (1.8 inches)84%extreme
September Weather24°C (75°F)69 mm (2.7 inches)86%extreme
October Weather24°C (76°F)60 mm (2.4 inches)86%extreme
November Weather24°C (76°F)36 mm (1.4 inches)87%extreme
December Weather25°C (78°F)105 mm (4.1 inches)88%extreme

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