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December Weather in Sarteneja, Belize

Last updated: August 22, 2025

In December, the average temperature in Sarteneja, Belize hovers around 25°C (77°F), with a minimum of 15°C (60°F) and a maximum of 31°C (88°F). The region experiences about 64 mm (2.5 in) of precipitation over approximately 17 days, contributing to a notably high average humidity of 88%.

December Temperature in Sarteneja

In December in Sarteneja, the average temperature is 25°C (77°F). Maximum can reach 31°C (88°F), and minimum can be as low as 15°C (60°F). This mild climate makes it an ideal destination for travelers looking to enjoy pleasant weather.

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

The chart illustrates December temperature patterns in Sarteneja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sarteneja, December typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (88°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec767879828383838383817877
Data source: Temperature data for Sarteneja 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 Sarteneja

In Sarteneja in December, the precipitation amount is 64 mm (2.5 in) over the course of 17 days.

December Precipitation Trends in Sarteneja

The chart displays monthly precipitation patterns in Sarteneja, 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 Sarteneja, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec663533388726012516719125213764
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sarteneja

In Sarteneja in December humidity is 88%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket clinging to your skin, making travel feel sluggish and exhausting, as every step brings a wave of moisture that saps your energy and heightens the need for frequent hydration breaks.

December Average Humidity in Sarteneja

This chart illustrates the average monthly humidity levels in Sarteneja, 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 Sarteneja is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%69%64%63%62%65%78%86%87%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sarteneja

In Sarteneja in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Sarteneja.

Maximum UV Index Levels in Sarteneja for December

The chart shows the monthly maximum UV Index (UVI) for Sarteneja 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 Sarteneja typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131298
Data source: Sarteneja 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 Sarteneja Compares to Other Months

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

This table compares monthly weather conditions in Sarteneja, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)66 mm (2.6 inches)85%very high
February Weather26°C (78°F)35 mm (1.4 inches)80%extreme
March Weather26°C (80°F)33 mm (1.3 inches)69%extreme
April Weather28°C (82°F)38 mm (1.5 inches)64%extreme
May Weather28°C (84°F)87 mm (3.4 inches)63%extreme
June Weather28°C (83°F)260 mm (10.2 inches)62%extreme
July Weather28°C (83°F)125 mm (4.9 inches)65%extreme
August Weather29°C (84°F)167 mm (6.6 inches)78%extreme
September Weather28°C (83°F)191 mm (7.5 inches)85%extreme
October Weather27°C (81°F)252 mm (9.9 inches)87%extreme
November Weather26°C (78°F)137 mm (5.4 inches)88%very high
December Weather25°C (77°F)64 mm (2.5 inches)88%very high

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