December Weather in Dennery, Saint Lucia

Last updated: August 31, 2025

In December, the average temperature in Dennery, Saint Lucia hovers around 26°C (80°F), offering a pleasant climate. Expect minimums of 22°C (72°F) and maximums reaching 30°C (86°F). However, be prepared for some rain, with an average precipitation of 46 mm (1.8 in) spread over 16 days. The air is quite humid, with an average humidity level of 82%, creating a tropical feel to your experience.

December Temperature in Dennery

In December in Dennery, the average temperature is 26°C (80°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 22°C (72°F). This pleasant climate makes Dennery an ideal destination for travelers looking to enjoy warm and comfortable weather.

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

The chart illustrates December temperature patterns in Dennery, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dennery, December typically has an average temperature of 26°C (80°F), with highs reaching up to 30°C (86°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878798181818282818079
Data source: Temperature data for Dennery 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 Dennery

In Dennery, in December, the precipitation amount is 46 mm (1.8 in) spread over 16 days.

December Precipitation Trends in Dennery

The chart displays monthly precipitation patterns in Dennery, 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 Dennery, December typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec36333835396510511312112810346
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Dennery

In Dennery in December, humidity is 82%. With an average temperature of 26°C (80°F), this humidity feels like a heavy, warm blanket wrapping around you, making outdoor activities feel more exhausting and sweaty, which can be quite challenging for traveling.

December Average Humidity in Dennery

This chart illustrates the average monthly humidity levels in Dennery, 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 Dennery is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%80%79%80%83%84%81%80%82%83%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Dennery

In Dennery in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Dennery.

Maximum UV Index Levels in Dennery for December

The chart shows the monthly maximum UV Index (UVI) for Dennery 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 Dennery typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141313141412109
Data source: Dennery 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 Dennery Compares to Other Months

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

This table compares monthly weather conditions in Dennery, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)36 mm (1.4 inches)81%very high
February Weather25°C (78°F)33 mm (1.3 inches)80%extreme
March Weather26°C (79°F)38 mm (1.5 inches)80%extreme
April Weather26°C (80°F)35 mm (1.4 inches)79%extreme
May Weather27°C (81°F)39 mm (1.6 inches)80%extreme
June Weather27°C (81°F)65 mm (2.6 inches)83%extreme
July Weather27°C (81°F)105 mm (4.1 inches)84%extreme
August Weather28°C (82°F)113 mm (4.5 inches)81%extreme
September Weather28°C (83°F)121 mm (4.8 inches)80%extreme
October Weather27°C (81°F)128 mm (5.1 inches)82%extreme
November Weather27°C (81°F)103 mm (4.1 inches)83%very high
December Weather26°C (80°F)46 mm (1.8 inches)82%very high

Compare Dennery's Climate with Cities Worldwide