Climate and monthly 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). 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). The average heat index in January is appraised at a tropical 32°C (89.6°F). Weather in January »

Weather in February

The last month of the winter, February, is another warm month in San Fernando, Trinidad and Tobago, with an average temperature ranging between min 24.7°C (76.5°F) and max 28.8°C (83.8°F). In February, the average high-temperature is essentially the same as in January - a still warm 28.8°C (83.8°F). Weather in February »

Weather in March

March, the first month of the spring in San Fernando, is also a moderately hot month, with an average temperature varying between 28.9°C (84°F) and 25.2°C (77.4°F). In San Fernando, the average high-temperature in March is essentially the same as in February - a still warm 28.9°C (84°F). Weather in March »

Weather in April

April, the same as March, is a moderately hot spring month in San Fernando, Trinidad and Tobago, with an average temperature varying between 29.6°C (85.3°F) and 25.8°C (78.4°F). In San Fernando, the average high-temperature in April is almost the same as in March - a still moderately hot 29.6°C (85.3°F). Weather in April »

Weather in May

May, the last month of the spring in San Fernando, is another warm month, with an average temperature ranging between min 26.2°C (79.2°F) and max 29.8°C (85.6°F). In San Fernando, the average high-temperature in May is almost the same as in April - a still moderately hot 29.8°C (85.6°F). Weather in May »

Weather in June

June, the first month of the summer in San Fernando, is still a warm month, with temperature in the range of an average low of 26°C (78.8°F) and an average high of 29.7°C (85.5°F). In San Fernando, the average high-temperature in June is essentially the same as in May - a still moderately hot 29.7°C (85.5°F). Weather in June »

Weather in July

July, like June, in San Fernando, Trinidad and Tobago, is another warm summer month, with an average temperature varying between 25.8°C (78.4°F) and 29.7°C (85.5°F). In July, the average high-temperature remains equal as in June - a still warm 29.7°C (85.5°F). Weather in July »

Weather in August

August, the last month of the summer in San Fernando, is a hot month, with an average temperature ranging between max 30.2°C (86.4°F) and min 26°C (78.8°F). In San Fernando, the average high-temperature in August is essentially the same as in July - a hot 30.2°C (86.4°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in San Fernando, Trinidad and Tobago, with an average temperature fluctuating between 26.5°C (79.7°F) and 30.5°C (86.9°F). With an average high-temperature of 30.5°C (86.9°F) and an average low-temperature of 26.5°C (79.7°F), September is the warmest month. In September, the average heat index is appraised at a very hot 38°C (100.4°F). Weather in September »

Weather in October

October, like September, is another hot autumn month in San Fernando, Trinidad and Tobago, with an average temperature varying between 30.4°C (86.7°F) and 26.5°C (79.7°F). In October, the average high-temperature is practically the same as in September - a still hot 30.4°C (86.7°F). Weather in October »

Weather in November

November, the last month of the autumn in San Fernando, is another warm month, with an average temperature varying between 29.5°C (85.1°F) and 26.1°C (79°F). In San Fernando, the average high-temperature in November is almost the same as in October - a moderately hot 29.5°C (85.1°F). Weather in November »

Weather in December

The first month of the winter, December, is also a moderately hot month in San Fernando, Trinidad and Tobago, with temperature in the range of an average low of 25.4°C (77.7°F) and an average high of 28.7°C (83.7°F). In December, the average high-temperature is relatively the same as in November - a still warm 28.7°C (83.7°F). Weather in December »
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FAQ

What is the coldest month in San Fernando?

The coldest month in San Fernando 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).

How much does it rain in San Fernando?

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.

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, Trinidad and Tobago, are January through December, with an average maximum UV index of 7.

When is the sea coldest in San Fernando?

February is the month with the coldest seawater, with an average sea temperature of 27.1°C (80.8°F).

What are the least humid months in San Fernando?

The months with the lowest humidity in San Fernando are March and April, with an average relative humidity of 74%.

What is the driest month in San Fernando?

April is the month with the least rainfall in San Fernando. Rain falls for 11.6 days and accumulates 17mm (0.67") of precipitation.

When are the longest days in San Fernando?

The month with the longest days is June, with an average of 12h and 43min of daylight.

What is the most humid month in San Fernando?

July, November and December, with an average relative humidity of 78%, are most humid months in San Fernando.

What is the rainiest month in San Fernando?

The month with the most rainfall is August, when the rain falls for 21.9 days and typically aggregates up to 97mm (3.82") of precipitation.

What are the months with the most sunshine in San Fernando?

The months with the most sunshine are August and September, with an average of 11.1h of sunshine.

What is the warmest month in San Fernando?

September is the warmest month in San Fernando, with an average high-temperature of 30.5°C (86.9°F) and an average low-temperature of 26.5°C (79.7°F).

What month is the sea warmest in San Fernando?

The month with the warmest seawater in San Fernando, Trinidad and Tobago, is September, with an average sea temperature of 29.3°C (84.7°F).

What is the month with the shortest days in San Fernando?

The month with the shortest days in San Fernando is December, with an average of 11h and 32min of daylight.

Is there Daylight Saving Time (DST) in San Fernando?

San Fernando does not utilize Daylight Saving Time (DST). AST timezone is used over the entire year.

What is the month with the least sunshine in San Fernando?

The month with the least sunshine in San Fernando, Trinidad and Tobago, is December, with an average of 6.7h of sunshine.

Average temperature
San Fernando, Trinidad and Tobago

Average temperature - San Fernando, Trinidad and Tobago

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).

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
San Fernando, Trinidad and Tobago

Average pressure - San Fernando, Trinidad and Tobago

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
San Fernando, Trinidad and Tobago

Average wind speed - San Fernando, Trinidad and Tobago

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
San Fernando, Trinidad and Tobago

Average humidity - San Fernando, Trinidad and Tobago

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
San Fernando, Trinidad and Tobago

Average rainfall - San Fernando, Trinidad and Tobago

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
San Fernando, Trinidad and Tobago

Average rainfall days - San Fernando, Trinidad and Tobago

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
San Fernando, Trinidad and Tobago

Average sea temperature - San Fernando, Trinidad and Tobago

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 / Average sunshine
San Fernando, Trinidad and Tobago

Average daylight / Average sunshine - San Fernando, Trinidad and Tobago

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).

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
San Fernando, Trinidad and Tobago

Average sunshine days - San Fernando, Trinidad and Tobago

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
San Fernando, Trinidad and Tobago

Average UV index - San Fernando, Trinidad and Tobago

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 visibility
San Fernando, Trinidad and Tobago

Average visibility - San Fernando, Trinidad and Tobago

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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