November weather forecast
Black River, Jamaica

In November, Black River's temperatures ease into a slacker range of 20.5°C (68.9°F) to 27.9°C (82.2°F). While rainfall lessens from its October peak, it still registers a high reading of 129mm (5.08"). The reduction of daylight hours becomes more substantial, in sync with the cooling temperature trend. The decrease in visibility becomes noticeable alongside the drop in sea temperature. This shift ushers in the pre-winter phase in Black River.

Temperature

The initiation of November sees an average high-temperature of a still moderately hot 27.9°C (82.2°F), showing minor variations from the previous month. Black River's nighttime temperature in November falls to an average of 20.5°C (68.9°F).

Heat index

For most parts of November, the heat index is estimated at a hot 33°C (91.4°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

The average relative humidity in November in Black River is 86%.

Rainfall

In November, in Black River, the rain falls for 26 days. Throughout November, 129mm (5.08") of precipitation is accumulated. Throughout the year, in Black River, there are 297.9 rainfall days, and 1472mm (57.95") of precipitation is accumulated.

Sea temperature

In Black River, Jamaica, in November, the average water temperature is 28.9°C (84°F).
Note: Surface water temperatures falling between 25°C (77°F) and 29°C (84.2°F) are regarded as prime and extremely agreeable for enduring periods during any water activity.

Daylight

In November, the average length of the day is 11h and 17min.
On the first day of the month, sunrise is at 06:10 and sunset at 17:39. On the last day of November, in Black River, Jamaica, sunrise is at 06:26 and sunset at 17:34 EST.

Sunshine

With an average of 6.1h of sunshine, November has the least sunshine of the year.

UV index

The average daily maximum UV index in November in Black River is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 during November leads to these advisories:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Caution! The mirror effect of sand and water ups the UV radiation strength.