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December Weather in Les Cayes, Haiti

Last updated: August 23, 2025

In December, the average temperature in Les Cayes, Haiti is 25°C (77°F), with a comfortable range that dips to a minimum of 22°C (71°F) and peaks at a delightful 29°C (84°F). Expect approximately 28 mm (1.1 in) of precipitation spread over about 7 days, and enjoy a pleasant average humidity of 71%.

December Temperature in Les Cayes

In December in Les Cayes, the average temperature is 25°C (77°F). The maximum can reach 29°C (84°F), while the minimum can dip as low as 22°C (71°F). This comfortable climate makes Les Cayes an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

December Weather in Les Cayes: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Les Cayes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Les Cayes, December typically has an average temperature of 25°C (77°F), with highs reaching up to 29°C (84°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec757676777880818180797877
Data source: Temperature data for Les Cayes 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 Les Cayes

In Les Cayes in December, the precipitation amount is 28 mm (1.1 in) over a period of 7 days.

December Precipitation Trends in Les Cayes

The chart displays monthly precipitation patterns in Les Cayes, 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 Les Cayes, December typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec322758787844609910913411328
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Les Cayes

In Les Cayes in December humidity is 71%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making outdoor exploration a bit sticky but still enjoyable, especially if you take breaks in shaded areas and stay hydrated.

December Average Humidity in Les Cayes

This chart illustrates the average monthly humidity levels in Les Cayes, 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 Les Cayes is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%62%62%60%62%70%76%76%76%76%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Les Cayes

In Les Cayes 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 Les Cayes.

Maximum UV Index Levels in Les Cayes for December

The chart shows the monthly maximum UV Index (UVI) for Les Cayes 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 Les Cayes typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313121198
Data source: Les Cayes 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 Les Cayes Compares to Other Months

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

This table compares monthly weather conditions in Les Cayes, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)32 mm (1.3 inches)65%very high
February Weather24°C (76°F)27 mm (1.1 inches)63%extreme
March Weather24°C (76°F)58 mm (2.3 inches)62%extreme
April Weather25°C (77°F)78 mm (3.1 inches)62%extreme
May Weather26°C (79°F)78 mm (3.1 inches)60%extreme
June Weather27°C (80°F)44 mm (1.7 inches)61%extreme
July Weather27°C (81°F)60 mm (2.4 inches)70%extreme
August Weather27°C (81°F)99 mm (3.9 inches)76%extreme
September Weather27°C (80°F)109 mm (4.3 inches)76%extreme
October Weather26°C (79°F)134 mm (5.3 inches)76%extreme
November Weather25°C (78°F)113 mm (4.5 inches)76%very high
December Weather25°C (77°F)28 mm (1.1 inches)71%very high

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