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December Weather in Sincelejo, Colombia

Last updated: August 23, 2025

The average temperature in Sincelejo, Colombia during December is a warm 28°C (83°F). Expect minimums around 24°C (75°F) and maximums reaching 34°C (93°F). During this period, the precipitation amount is approximately 56 mm (2.2 in) spread over 15 days, contributing to an average humidity of 80%. Stay cool and prepared for the occasional rain!

December Temperature in Sincelejo

In December in Sincelejo, the average temperature is 28°C (83°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 24°C (75°F). This warm and pleasant climate makes Sincelejo an ideal destination for travelers seeking sunshine and outdoor activities.

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

The chart illustrates December temperature patterns in Sincelejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sincelejo, December typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec838484838282828282818182
Data source: Temperature data for Sincelejo 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 Sincelejo

In Sincelejo in December, the precipitation amount is 56 mm (2.2 in) spread over 15 days.

December Precipitation Trends in Sincelejo

The chart displays monthly precipitation patterns in Sincelejo, 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 Sincelejo, December typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec2474114526723420420921121517756
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sincelejo

In Sincelejo in December, humidity is 80%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making travel feel sluggish and sticky, as every movement generates a sheen of perspiration that clings to your skin.

December Average Humidity in Sincelejo

This chart illustrates the average monthly humidity levels in Sincelejo, 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 Sincelejo is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%67%65%67%79%87%88%87%87%86%86%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sincelejo

In Sincelejo in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sincelejo.

Maximum UV Index Levels in Sincelejo for December

The chart shows the monthly maximum UV Index (UVI) for Sincelejo 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 Sincelejo typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111213151413131313131110
Data source: Sincelejo 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 Sincelejo Compares to Other Months

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

This table compares monthly weather conditions in Sincelejo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)24 mm (0.9 inches)70%extreme
February Weather29°C (84°F)7 mm (0.3 inches)67%extreme
March Weather29°C (84°F)41 mm (1.6 inches)65%extreme
April Weather28°C (83°F)145 mm (5.7 inches)67%extreme
May Weather28°C (83°F)267 mm (10.5 inches)79%extreme
June Weather28°C (83°F)234 mm (9.2 inches)87%extreme
July Weather28°C (83°F)204 mm (8.0 inches)88%extreme
August Weather28°C (82°F)209 mm (8.2 inches)87%extreme
September Weather28°C (82°F)211 mm (8.3 inches)87%extreme
October Weather27°C (81°F)215 mm (8.5 inches)86%extreme
November Weather27°C (82°F)177 mm (7.0 inches)86%extreme
December Weather28°C (83°F)56 mm (2.2 inches)80%very high

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