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December Weather in Gros Morne, Haiti

Last updated: August 23, 2025

In December, the average temperature in Gros Morne, Haiti is a comfortable 24°C (76°F). Expect a minimum of 20°C (69°F) and a maximum of 30°C (86°F), making it perfect for enjoying outdoor activities. However, be prepared for some rain, as 33 mm (1.3 in) of precipitation is expected over 9 days. With an average humidity of 71%, it’s a humid month, so don’t forget to stay hydrated!

December Temperature in Gros Morne

In December in Gros Morne, the average temperature is 24°C (76°F). Maximums can reach 30°C (86°F), and minimums can be as low as 20°C (69°F). This pleasant weather makes it an ideal time to explore Gros Morne and enjoy its outdoor attractions.

December Weather in Gros Morne: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Gros Morne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gros Morne, December typically has an average temperature of 24°C (76°F), with highs reaching up to 30°C (86°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec747575777880808180797776
Data source: Temperature data for Gros Morne 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 Gros Morne

In Gros Morne in December, the precipitation amount is 33 mm (1.3 in) over the course of 9 days.

December Precipitation Trends in Gros Morne

The chart displays monthly precipitation patterns in Gros Morne, 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 Gros Morne, December typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec512473772011139710615714811133
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Gros Morne

In Gros Morne in December humidity is 71%. With an average temperature of 24°C (76°F), this humidity feels like a warm, tropical embrace, making it essential to stay hydrated while exploring, as the air is thick and can leave you feeling sticky and slightly tired after even short excursions.

December Average Humidity in Gros Morne

This chart illustrates the average monthly humidity levels in Gros Morne, 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 Gros Morne 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 Gros Morne

In Gros Morne 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 Gros Morne.

Maximum UV Index Levels in Gros Morne for December

The chart shows the monthly maximum UV Index (UVI) for Gros Morne 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 Gros Morne typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313121213121198
Data source: Gros Morne 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 Gros Morne Compares to Other Months

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

This table compares monthly weather conditions in Gros Morne, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)51 mm (2.0 inches)65%very high
February Weather24°C (75°F)24 mm (1.0 inches)63%extreme
March Weather24°C (75°F)73 mm (2.9 inches)62%extreme
April Weather25°C (77°F)77 mm (3.0 inches)62%extreme
May Weather26°C (78°F)201 mm (7.9 inches)60%extreme
June Weather26°C (80°F)113 mm (4.5 inches)61%extreme
July Weather27°C (81°F)97 mm (3.8 inches)70%extreme
August Weather27°C (81°F)106 mm (4.2 inches)76%extreme
September Weather27°C (80°F)157 mm (6.2 inches)76%extreme
October Weather26°C (79°F)148 mm (5.8 inches)76%extreme
November Weather25°C (78°F)111 mm (4.4 inches)76%very high
December Weather24°C (76°F)33 mm (1.3 inches)71%very high

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