Port of Spain
Trinidad and Tobago
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Port of Spain, Trinidad and Tobago

The ancient building hosting the public library of the Port of Spain in Trinidad and Tobago, with palm trees outside
The ancient building hosting the public library of the Port of Spain in Trinidad and Tobago, with palm trees outside
January, the same as December, is another warm winter month in Port of Spain, Trinidad and Tobago, with average temperature varying between 17°C (62.6°F) and 28°C (82.4°F).

Temperature

January is the coldest month, with an average high-temperature of 28°C (82.4°F) and an average low-temperature of 17°C (62.6°F).

Heat index

In January, the average heat index is appraised at a tropical 32.3°C (90.1°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, differences in body mass, height, and shape, clothing, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Port of Spain, Trinidad and Tobago, the average relative humidity is 81%.

Rainfall

In Port of Spain, Trinidad and Tobago, in January, during 11 rainfall days, 42.9mm (1.7") of precipitation is typically accumulated. Throughout the year, in Port of Spain, there are 166 rainfall days, and 1408mm (55.4") of precipitation is accumulated.

Sea temperature

In Port of Spain, Trinidad and Tobago, the average water temperature is 27°C (80.6°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Port of Spain, the average length of the day is 11.6h.

Sunshine

In Port of Spain, the average sunshine is 7.8h.

UV index

In January, the average daily maximum UV index in Port of Spain, Trinidad and Tobago, is 10. A UV Index reading of 8 to 10 represents a very high threat to health from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 10 interpret into the following advice:
Take extra precautions. Protection against sun damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the coldest month in Port of Spain?

January is the coldest month, with an average high-temperature of 28°C (82.4°F) and an average low-temperature of 17°C (62.6°F).

What is the temperature in January in Port of Spain?

In January, in Port of Spain, Trinidad and Tobago, the average high-temperature is 28°C (82.4°F), and the average low-temperature is 17°C (62.6°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines relative humidity and air temperature, in January is appraised at 32.3°C (90.1°F).

What is the average humidity in January in Port of Spain?

In Port of Spain, the average relative humidity in January is 81%.

How many days does it rain in January in Port of Spain?

In Port of Spain, during January, the rain falls for 11 days and regularly aggregates up to 42.9mm (1.7") of precipitation.

How warm is the water in January in Port of Spain?

In Port of Spain, in January, the average water temperature is 27°C (80.6°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in January in Port of Spain?

The average length of the day in January in Port of Spain is 11.6h.

How long on average sun shines in January in Port of Spain?

In January, the average sunshine in Port of Spain, Trinidad and Tobago, is 7.8h.

How high is the UV index in January in Port of Spain?

The average daily maximum UV index in January is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in January - Port of Spain, Trinidad and Tobago
  • Average high temperature in January: 28°C

The warmest month (with the highest average high temperature) is May (33.1°C).
The month with the lowest average high temperature is January (28°C).

  • Average low temperature in January: 17°C

The month with the highest average low temperature is June (23.3°C).
The coldest month (with the lowest average low temperature) is January (17°C).

Average humidity in January - Port of Spain, Trinidad and Tobago
  • Average humidity in January: 81%

The month with the highest relative humidity is November (86%).
Months with the lowest relative humidity are March and April (77%).

Average rainfall in January - Port of Spain, Trinidad and Tobago
  • Average rainfall in January: 42.9mm

The wettest month (with the highest rainfall) is August (244mm).
The driest month (with the lowest rainfall) is March (16.9mm).

Average rainfall days in January - Port of Spain, Trinidad and Tobago
  • Average rainfall days in January: 11 days

The month with the highest number of rainy days is July (21 days).
Months with the lowest number of rainy days are March and April (6 days).

Average sea temperature in January - Port of Spain, Trinidad and Tobago
  • Average sea temperature in January: 27°C

The best month for swimming (with the highest average sea temperature) is September (29°C).
Coldest months (with the lowest average sea temperature) are February and March (26°C).

Average daylight in January / Average sunshine in January - Port of Spain, Trinidad and Tobago
  • Average daylight in January: 11.6h

Months with the longest days are June and July (Average daylight: 12.7h).
The month with shortest days is December (Average daylight: 11.5h).

  • Average sunshine in January: 7.8h

The month with most sunshine is February (Average sunshine: 8.3h).
The month with least sunshine is June (Average sunshine: 6.1h).

Average UV index in January - Port of Spain, Trinidad and Tobago
  • Average UV index in January: 10

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 9).