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December Weather in Saint-Marc, Haiti

Last updated: August 23, 2025

In December, the average temperature in Saint-Marc, Haiti is a pleasant 26°C (79°F). Expect minimums of 22°C (72°F) and maximums reaching 29°C (85°F). With an average humidity of 71%, the atmosphere is comfortably warm. Be prepared for 14 mm (0.5 in) of precipitation spread over about 4 days throughout the month.

December Temperature in Saint-Marc

In December in Saint-Marc, the average temperature is 26°C (79°F). Maximum temperatures can reach 29°C (85°F), while minimums can be as low as 22°C (72°F). This pleasant warmth makes it an ideal time for travelers to explore the outdoors and enjoy various activities.

December Weather in Saint-Marc: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint-Marc, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Marc, December typically has an average temperature of 26°C (79°F), with highs reaching up to 29°C (85°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777788081828281817978
Data source: Temperature data for Saint-Marc 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 Saint-Marc

In Saint-Marc in December, the precipitation amount is 14 mm (0.5 in) over a span of 4 days.

December Precipitation Trends in Saint-Marc

The chart displays monthly precipitation patterns in Saint-Marc, 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 Saint-Marc, December typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec141323587865628497978314
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint-Marc

In Saint-Marc in December, humidity is 71%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making travel somewhat stifling but offering a tropical ambiance that can be both invigorating and exhausting at the same time.

December Average Humidity in Saint-Marc

This chart illustrates the average monthly humidity levels in Saint-Marc, 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 Saint-Marc 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 Saint-Marc

In Saint-Marc 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 Saint-Marc.

Maximum UV Index Levels in Saint-Marc for December

The chart shows the monthly maximum UV Index (UVI) for Saint-Marc 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 Saint-Marc typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313121212121198
Data source: Saint-Marc 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 Saint-Marc Compares to Other Months

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

This table compares monthly weather conditions in Saint-Marc, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)14 mm (0.6 inches)65%very high
February Weather25°C (77°F)13 mm (0.5 inches)63%extreme
March Weather25°C (77°F)23 mm (0.9 inches)62%extreme
April Weather26°C (79°F)58 mm (2.3 inches)62%extreme
May Weather27°C (80°F)78 mm (3.1 inches)60%extreme
June Weather27°C (81°F)64 mm (2.5 inches)61%extreme
July Weather28°C (82°F)62 mm (2.4 inches)70%extreme
August Weather28°C (82°F)84 mm (3.3 inches)76%extreme
September Weather27°C (82°F)97 mm (3.8 inches)76%extreme
October Weather27°C (81°F)97 mm (3.8 inches)76%extreme
November Weather26°C (79°F)82 mm (3.2 inches)76%very high
December Weather26°C (79°F)14 mm (0.5 inches)71%very high

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