October weather forecast
Port of Spain, Trinidad and Tobago

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The ancient building hosting the public library of the Port of Spain in Trinidad and Tobago
The ancient building hosting the public library of the Port of Spain in Trinidad and Tobago

Weather in October

October brings drop in rainfall while the temperatures remain warmer. The sunlight hours continue to decrease slowly as the city heads towards the end of the year. The rainfall volume is lower than the previous month but is still considerable. This period is ideal for those who favor a tropical climate blend of rain and sunshine. The city's social and cultural calendar remains active and varied, with an emphasis on indoor and covered outdoor events.

Temperature

Port of Spain's weather in October displays an average high-temperature of a still hot 32.2°C, equating to September's conditions. Port of Spain observes an average low-temperature of 22.6°C during October nights.

Heat index

The heat index value for October is calculated to be a burning hot 47°C. Precaution: Heat cramps along with heat exhaustion are possible. Heatstroke is a serious risk with continued exertion.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In October, the average relative humidity in Port of Spain is 85%.

Rainfall

In Port of Spain, in October, it is raining for 15 days, with typically 143mm of accumulated precipitation. In Port of Spain, during the entire year, the rain falls for 166 days and collects up to 1408mm of precipitation.

Sea temperature

In Port of Spain, the average seawater temperature in October is 28°C.
Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C to 29°C is very pleasurable for extended periods, without any discomfort.

Daylight

In Port of Spain, the average length of the day in October is 11h and 53min.
On the first day of October, sunrise is at 05:54 and sunset at 17:56. On the last day of the month, sunrise is at 05:56 and sunset at 17:42 AST.

Sunshine

In October, the average sunshine in Port of Spain is 6.7h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 12 in October translates into these instructions:
Undertake all key precautions, as unprotected skin and eyes may get burns in no time. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. 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. Sunscreen with a sun protection factor of no less than 30 should be used liberally and reapplied frequently on overcast days, including after every swim or outdoor activity. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
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FAQ

How hot does it get in Port of Spain in October?

An average high-temperature, in October, in Port of Spain, is 32.2°C and the average low-temperature is 22.6°C. The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in October is calculated to be 47°C.

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

The average relative humidity in October in Port of Spain is 85%.

How much does it rain in Port of Spain in October?

In October, the rain falls for 15 days. Throughout October, 143mm of precipitation is accumulated.

What is the sea water temperature in October in Port of Spain?

In Port of Spain, the average seawater temperature in October is 28°C. For swimming, diving, and other water activities, temperatures between 25°C and 29°C are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

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

In Port of Spain, the average day length in October is 11h and 53min.

When is the sunrise / sunset in October in Port of Spain?

In October, on the first day of the month, sunrise is at 05:54 and sunset at 17:56. On the last day of the month, in Port of Spain, sunrise is at 05:56 and sunset at 17:42 AST.

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

In October, the average sunshine duration in Port of Spain, Trinidad and Tobago, is 6.7h.

When is the highest UV index in Port of Spain?

The months with the highest UV index are February through October, with an average maximum UV index of 12.

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

In Port of Spain, the average daily maximum UV index in October is 12. A UV Index reading of 11, and higher, represents an ultimate hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average UV index

Average temperature in October
Port of Spain, Trinidad and Tobago

Average temperature in October - Port of Spain, Trinidad and Tobago
  • Average high temperature in October: 32.2°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 October: 22.6°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).

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Average humidity in October
Port of Spain, Trinidad and Tobago

Average humidity in October - Port of Spain, Trinidad and Tobago
  • Average humidity in October: 85%

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

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Average rainfall in October
Port of Spain, Trinidad and Tobago

Average rainfall in October - Port of Spain, Trinidad and Tobago
  • Average rainfall in October: 143.3mm

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

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Average rainfall days in October
Port of Spain, Trinidad and Tobago

Average rainfall days in October - Port of Spain, Trinidad and Tobago
  • Average rainfall days in October: 15 days

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

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Average sea temperature in October
Port of Spain, Trinidad and Tobago

Average sea temperature in October - Port of Spain, Trinidad and Tobago
  • Average sea temperature in October: 28°C

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

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Average daylight in October /
Average sunshine in October
Port of Spain, Trinidad and Tobago

Average daylight in October / Average sunshine in October - Port of Spain, Trinidad and Tobago
  • Average daylight in October: 11h and 5min

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 October: 6h and 4min

The month with the most sunshine is February (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).

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Average UV index in October
Port of Spain, Trinidad and Tobago

Average UV index in October - Port of Spain, Trinidad and Tobago
  • Average UV index in October: 12

The 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).

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Port of Spain, Trinidad and Tobago

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