January weather forecast
Manzanillo, Cuba

January's weather in Manzanillo, Cuba is characterized by warm temperatures and frequent rainfall, marking the beginning of the year with vibrant green landscapes. Occasional breaks in the rain and clear skies allow for around 7 hours of sunshine per day. The temperatures range from winter lows of 20.3°C (68.5°F) to somewhat tropical highs of 28.5°C (83.3°F). Heavy air with relative humidity at 77% makes the sea winds feel warmer. As the first month of the year, January sets the precedent for the weather changes to come.

Temperature

Manzanillo's temperature records reveal January as the coldest month, marked by average highs of 28.5°C (83.3°F) and lows of 20.3°C (68.5°F).

Heat index

The average heat index in January is appraised at a hot 33°C (91.4°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In Manzanillo, the average relative humidity in January is 77%.

Rainfall

In January, in Manzanillo, the rain falls for 10.5 days. Throughout January, 16mm (0.63") of precipitation is accumulated. Throughout the year, in Manzanillo, there are 216.6 rainfall days, and 605mm (23.82") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 26.2°C (79.2°F), January is the month with the coldest seawater in Manzanillo.
Note: For swimming, diving, and various water activities, the temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as highly enjoyable and comfortable for extended durations without any discomfort.

Daylight

The average length of the day in January in Manzanillo is 11h and 4min.
On the first day of January in Manzanillo, sunrise is at 06:44 and sunset at 17:39. On the last day of the month, sunrise is at 06:44 and sunset at 17:59 CST.

Sunshine

The months with the least sunshine are January and October, with an average of 7h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Manzanillo, Cuba. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 6 in January leads to these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Caution! The Sun's UV intensity grows with reflections off sand and water.