October weather forecast
Black River, Jamaica

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Weather in October

The transitional month of October brings temperatures further down, falling from 21.6°C (70.9°F) to 28.2°C (82.8°F). The rainfall maintains its intensity, even extending its lead to reach the highest level of the year at 228mm (8.98"), signifying the peak of the rainy season. The dwindling daylight hours and sunshine hint towards the onset of the colder season. Despite this, the sea temperatures still allow for comfortable swimming.

Temperature

Black River, Jamaica, greets October with an average high-temperature of a still moderately hot 28.2°C (82.8°F), marking a slight deviation from the preceding month. Black River registers a consistent average low-temperature of 21.6°C (70.9°F) during October.

Heat index

For October, the heat index is estimated at a hot 34°C (93.2°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

October is the most humid month, with an average relative humidity of 87%.

Rainfall

October is the month with the most rainfall. Rain falls for 28.7 days and accumulates 228mm (8.98") of precipitation.

Sea temperature

In Black River, in October, the average water temperature is 29.4°C (84.9°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 October, the average length of the day in Black River is 11h and 44min.
On the first day of October, sunrise is at 06:01 and sunset at 17:59. On the last day of the month, sunrise is at 06:10 and sunset at 17:39 EST.

Sunshine

In October, the average sunshine is 6.3h.

UV index

October is the month with the lowest UV index, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 during October translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To protect against the Sun's most potent rays, avoid direct exposure around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
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Frequently asked questions

How hot does it get in Black River in October?

In Black River, 28.2°C (82.8°F) is the average high-temperature and 21.6°C (70.9°F) is the average low-temperature during October. In October, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 34°C (93.2°F).

What is the most humid month in Black River?

With an average relative humidity of 87%, October is the most humid month in Black River, Jamaica.

What is the average humidity in October in Black River?

In Black River, Jamaica, the average relative humidity in October is 87%.

What is the wettest month in Black River?

October is the month with the most rainfall in Black River, Jamaica. Rain falls for 28.7 days and accumulates 228mm (8.98") of precipitation.

How many days does it rain in October in Black River?

In Black River, during October, the rain falls for 28.7 days and regularly aggregates up to 228mm (8.98") of precipitation.

How warm is the water in October in Black River?

In Black River, Jamaica, the average seawater temperature in October is 29.4°C (84.9°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 October in Black River?

In October, the average day length in Black River is 11h and 44min.

When are sunrise and sunset in October in Black River?

On the first day of October, sunrise is at 06:01 and sunset at 17:59. On the last day of the month, sunrise is at 06:10 and sunset at 17:39 EST.

How long on average sun shines in October in Black River?

The average sunshine duration in October in Black River, Jamaica, is 6.3h.

When is the lowest UV index in Black River?

October is the month with the lowest UV index, with an average maximum UV index of 5.

How high is the UV index in October in Black River?

The average daily maximum UV index in October in Black River, Jamaica, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.

Average temperature in October
Black River, Jamaica

Average temperature in October - Black River, Jamaica
  • Average high temperature in October: 28.2°C

The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (27°C).

  • Average low temperature in October: 21.6°C

The month with the highest average low temperature is August (21.9°C).
The coldest month (with the lowest average low temperature) is February (18.6°C).

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Average pressure in October
Black River, Jamaica

Average pressure in October - Black River, Jamaica
  • Average pressure in October: 1011.5mbar

The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is October (1011.5mbar).

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Average wind speed in October
Black River, Jamaica

Average wind speed in October - Black River, Jamaica
  • Average wind speed in October: 6.6km/h

The windiest month (with the highest average wind speed) is June (9.4km/h).
The calmest month (with the lowest average wind speed) is November (6.2km/h).

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Average humidity in October
Black River, Jamaica

Average humidity in October - Black River, Jamaica
  • Average humidity in October: 87%

The month with the highest relative humidity is October (87%).
The months with the lowest relative humidity are March and July (81%).

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Average rainfall in October
Black River, Jamaica

Average rainfall in October - Black River, Jamaica
  • Average rainfall in October: 228mm

The wettest month (with the highest rainfall) is October (228mm).
The driest month (with the least rainfall) is January (56mm).

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Average rainfall days in October
Black River, Jamaica

Average rainfall days in October - Black River, Jamaica
  • Average rainfall days in October: 28.7 days

The month with the highest number of rainy days is October (28.7 days).
The month with the least rainy days is June (21.1 days).

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Average sea temperature in October
Black River, Jamaica

Average sea temperature in October - Black River, Jamaica
  • Average sea temperature in October: 29.4°C

The best month for swimming (with the highest average sea temperature) is September (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).

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Average daylight in October /
Average sunshine in October
Black River, Jamaica

Average daylight in October / Average sunshine in October - Black River, Jamaica
  • Average daylight in October: 11h and 4min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in October: 6h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).

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Average sunshine days in October
Black River, Jamaica

Average sunshine days in October - Black River, Jamaica
  • Average sunshine days in October: 2.1 days

The month with the most sunshine days is June (7.6 days).
The months with the least sunshine days are September and November (1.9 days).

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Average UV index in October
Black River, Jamaica

Average UV index in October - Black River, Jamaica
  • Average UV index in October: 5

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is October (UV index 5).

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Average cloud cover in October
Black River, Jamaica

Average cloud cover in October - Black River, Jamaica
  • Average cloud cover in October: 45

The months with the most cloud cover are May and November (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in October
Black River, Jamaica

Average visibility in October - Black River, Jamaica
  • Average visibility in October: 7km

The months with the highest visibility are March, June, July and August (8km).
The months with the lowest visibility are November and December (6km).

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Black River, Jamaica

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