January weather forecast
San Fernando, Trinidad and Tobago

Weather in January

January, like December, in San Fernando, Trinidad and Tobago, is another warm winter month, with an average temperature varying between 24.8°C (76.6°F) and 28.2°C (82.8°F).

Temperature

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

Heat index

The average heat index in January is appraised at a tropical 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With 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', 'real feel', 'apparent temperature', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, differences in body mass, height, and shape). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index 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

The average relative humidity in January is 76%.

Rainfall

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

Sea temperature

In San Fernando, the average seawater temperature in January is 27.4°C (81.3°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 January, the average length of the day in San Fernando is 11h and 36min.
On the first day of the month, sunrise is at 06:23 and sunset at 17:55. On the last day of January, in San Fernando, 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 are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 7 in January interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the coldest month in San Fernando?

The coldest month in San Fernando, Trinidad and Tobago, is January, with an average high-temperature of 28.2°C (82.8°F) and an average low-temperature of 24.8°C (76.6°F).

What is the temperature in January in San Fernando?

In San Fernando, in January, the average high-temperature is 28.2°C (82.8°F), and the average low-temperature is 24.8°C (76.6°F). The average heat index (a.k.a. 'apparent temperature', 'felt air 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, in January, it is raining for 14.2 days, with typically 23mm (0.91") of accumulated precipitation.

How warm is the water in January in San Fernando?

In San Fernando, Trinidad and Tobago, the average seawater temperature in January is 27.4°C (81.3°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in January in San Fernando?

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

What time are sunrise and sunset in January in San Fernando?

In January, on the first day of the month, 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 is 8.3h.

When is the highest UV index in San Fernando?

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

When is the lowest UV index in San Fernando?

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

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

In January, the average daily maximum UV index in San Fernando, Trinidad and Tobago, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe 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).

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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).

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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).

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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%).

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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).

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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).

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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).

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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 36min

The month with the longest days is June (Average daylight: 12h and 43min).
The month with the shortest days is December (Average daylight: 11h and 32min).

  • Average sunshine in January: 8h and 18min

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).

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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).

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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).

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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).

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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).

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