January weather forecast
San Fernando, Trinidad and Tobago

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Weather in January

Traditionally, the year in San Fernando, Trinidad and Tobago, starts with favorable weather conditions. January offers relatively cooler temperatures contrasted with light rain and a letting of winds. The month picks up from its predecessor and sets the pace for the rest of the year. This January, the highest saw temperatures hovering around 28.2°C (82.8°F), with the lowest dipping to a manageable 24.8°C (76.6°F). Despite the intermittent bouts of rainfall measuring 23mm (0.91") over 14.2 days, the weather remains largely pleasant, inviting locals and tourists alike to savor the tropical ambiance.

Temperature

January, with its high-temperature average of 28.2°C (82.8°F) and a low-temperature average of 24.8°C (76.6°F), is the coldest month.

Heat index

During January, the heat index is appraised at a hot 32°C (89.6°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In San Fernando, Trinidad and Tobago, the average relative humidity in January is 76%.

Rainfall

In January, the rain falls for 14.2 days. Throughout January, 23mm (0.91") of precipitation is accumulated. In San Fernando, during the entire year, the rain falls for 202.6 days and collects up to 599mm (23.58") of precipitation.

Sea temperature

In January, the average sea temperature in San Fernando is 27.4°C (81.3°F).
Note: For swimming, diving, and enjoying other water activities, the range of 25°C (77°F) to 29°C (84.2°F) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.

Daylight

The average length of the day in January in San Fernando is 11h and 36min.
On the first day of January, sunrise is at 06:23 and sunset at 17:55. On the last day of the month, sunrise is at 06:28 and sunset at 18:09 AST.

Sunshine

In San Fernando, the average sunshine in January is 8.3h.

UV index

The months with the highest UV index in San Fernando are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 7 during January leads to these advisories:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Attention! The reflection of both water and sand can increase the intensity of UV rays.
Updated: Feb 4, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the coldest time of year in San Fernando?

The coldest period in San Fernando tends to be January, when average temperatures fluctuate between a high of 28.2°C (82.8°F) and a low of 24.8°C (76.6°F).

How hot is January in San Fernando?

January temperatures in San Fernando vary between a high-temperature of 28.2°C (82.8°F) and a low-temperature of 24.8°C (76.6°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in January is appraised at 32°C (89.6°F).

What is the average humidity in January in San Fernando?

The average relative humidity in January in San Fernando is 76%.

How many days does it rain in January in San Fernando?

In San Fernando, Trinidad and Tobago, during January, the rain falls for 14.2 days and regularly aggregates up to 23mm (0.91") of precipitation.

What is the water temperature in January in San Fernando?

In January, the average sea temperature in San Fernando, Trinidad and Tobago, is 27.4°C (81.3°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.

How many hours of daylight does San Fernando have in January?

In San Fernando, the average day length in January is 11h and 36min.

When are sunrise and sunset in January in San Fernando?

On the first day of January, sunrise is at 06:23 and sunset at 17:55. On the last day of the month, sunrise is at 06:28 and sunset at 18:09 AST.

How long on average sun shines in January in San Fernando?

The average sunshine duration in January in San Fernando, Trinidad and Tobago, is 8.3h.

When is the highest UV index in San Fernando?

The months with the highest UV index are January through December, with an average maximum UV index of 7.

When is the lowest UV index in San Fernando?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in San Fernando, Trinidad and Tobago.

How high is the UV index in January in San Fernando?

The average daily maximum UV index in January is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Average temperature in January
San Fernando, Trinidad and Tobago

Average temperature in January - San Fernando, Trinidad and Tobago
  • Average high temperature in January: 28.2°C

The warmest month (with the highest average high temperature) is September (30.5°C).
The month with the lowest average high temperature is January (28.2°C).

  • Average low temperature in January: 24.8°C

The months with the highest average low temperature are September and October (26.5°C).
The coldest month (with the lowest average low temperature) is February (24.7°C).

Average pressure in January
San Fernando, Trinidad and Tobago

Average pressure in January - San Fernando, Trinidad and Tobago
  • Average pressure in January: 1013.4mbar

The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).

Average wind speed in January
San Fernando, Trinidad and Tobago

Average wind speed in January - San Fernando, Trinidad and Tobago
  • Average wind speed in January: 15.7km/h

The windiest month (with the highest average wind speed) is May (17km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).

Average humidity in January
San Fernando, Trinidad and Tobago

Average humidity in January - San Fernando, Trinidad and Tobago
  • Average humidity in January: 76%

The months with the highest relative humidity are July, November and December (78%).
The months with the lowest relative humidity are March and April (74%).

Average rainfall in January
San Fernando, Trinidad and Tobago

Average rainfall in January - San Fernando, Trinidad and Tobago
  • Average rainfall in January: 23mm

The wettest month (with the highest rainfall) is August (97mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in January
San Fernando, Trinidad and Tobago

Average rainfall days in January - San Fernando, Trinidad and Tobago
  • Average rainfall days in January: 14.2 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is April (11.6 days).

Average sea temperature in January
San Fernando, Trinidad and Tobago

Average sea temperature in January - San Fernando, Trinidad and Tobago
  • Average sea temperature in January: 27.4°C

The best month for swimming (with the highest average sea temperature) is September (29.3°C).
The coldest month (with the lowest average sea temperature) is February (27.1°C).

Average daylight in January /
Average sunshine in January
San Fernando, Trinidad and Tobago

Average daylight in January / Average sunshine in January - San Fernando, Trinidad and Tobago
  • Average daylight in January: 11h and 4min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in January: 8h and 2min

The months with the most sunshine are August and September (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in January
San Fernando, Trinidad and Tobago

Average sunshine days in January - San Fernando, Trinidad and Tobago
  • Average sunshine days in January: 12.8 days

The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is July (5.6 days).

Average UV index in January
San Fernando, Trinidad and Tobago

Average UV index in January - San Fernando, Trinidad and Tobago
  • Average UV index in January: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in January
San Fernando, Trinidad and Tobago

Average cloud cover in January - San Fernando, Trinidad and Tobago
  • Average cloud cover in January: 35

The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 27).

Average visibility in January
San Fernando, Trinidad and Tobago

Average visibility in January - San Fernando, Trinidad and Tobago
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

San Fernando, Trinidad and Tobago

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