December weather forecast
Trinidad and Tobago

In Trinidad and Tobago, December signifies the onset of the dry season, characterized by a substantial decrease in rainfall and consistently warm temperatures. During December, temperatures typically vary from a cooler 23°C (73.4°F) during the early morning hours to about 30°C (86°F) at the day's peak. Neither the hottest nor the coldest month, December maintains the warm, tropical climate of Trinidad and Tobago.

The cities of Port of Spain, the capital of Trinidad, and Scarborough, Tobago's main city, mirror the national climate averages in December. Being coastal cities, they experience similar temperature ranges and continue to enjoy the cooling influence of the sea. This leads to a pleasant blend of warm temperatures and refreshing sea breezes.

December sees a significant drop in rainfall, marking the start of the dry season. Average precipitation levels are generally between 75mm (2.95") and 100mm (3.94"). Rain showers, while still present, are less frequent and shorter in duration than during the wet season. The decline in rainfall allows for more extended periods of sunshine, making the weather more predictable and conducive to outdoor activities.

Wind speeds in December are slightly lower, typically averaging 15km/h (9.3mph). Influenced by the northeast trade winds, the breeze continues to provide a refreshing respite from the heat. As December falls outside the Atlantic hurricane season, there is a reduced risk of severe weather events in Trinidad and Tobago.

Visiting Trinidad and Tobago in December can be a rewarding experience. The reduction in rainfall and warm weather make it an excellent time for outdoor exploration and beach activities. Furthermore, the festive season provides a unique opportunity to experience the local culture, with Christmas and New Year's celebrations adding a vibrant dimension to a December visit. However, visitors should remain prepared for occasional showers.

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• Port of Spain - December »
  On the first day of December in Port of Spain sunrise is at 06:08 and sunset at 17:41. In December, the average sea temperature is 27°C (80.6°F).
• San Fernando - December »
  July, November and December, with an average relative humidity of 78%, are most humid months in San Fernando, Trinidad and Tobago. January through December, with an average maximum UV index of 7, are months with the highest UV index in San Fernando, Trinidad and Tobago.
• Chaguanas - December »
  December has the least sunshine of the year in Chaguanas with an average of 6.7h of sunshine. December has the least sunshine of the year in Chaguanas, with an average of 6.7h of sunshine.
• Arima - December »
  December has the shortest days of the year in Arima with an average of 11h and 30min of daylight. The months with the highest UV index in Arima are January through December, with an average maximum UV index of 7.
• Couva - December »
  December has the shortest days of the year in Couva with an average of 11h and 30min of daylight. The months with the highest UV index in Couva are January through December, with an average maximum UV index of 7.
• Point Fortin - December »
  The months with the highest humidity in Point Fortin are July, November and December, with an average relative humidity of 78%. The months with the highest humidity in Point Fortin are July, November and December, with an average relative humidity of 78%.
• Sangre Grande - December »
  With an average of 11h and 30min of daylight, December has the shortest days of the year in Sangre Grande, Trinidad and Tobago. The months with the lowest UV index in Sangre Grande are January through December, with an average maximum UV index of 7.
• Scarborough - December »
  With an average of 11h and 30min of daylight, December has the shortest days of the year in Scarborough, Trinidad and Tobago. With an average of 11h and 30min of daylight, December has the shortest days of the year in Scarborough, Trinidad and Tobago.
• Penal - December »
  The month with the shortest days in Penal, Trinidad and Tobago, is December, with an average of 11h and 30min of daylight. July, November and December, with an average relative humidity of 78%, are most humid months in Penal, Trinidad and Tobago.
• Diego Martin - December »
  The month with the shortest days in Diego Martin, Trinidad and Tobago, is December, with an average of 11h and 30min of daylight. In Diego Martin, Trinidad and Tobago, in December, during 18.3 rainfall days, 44mm (1.73") of precipitation is typically accumulated.