January weather forecast
Havana, Cuba

January is the commencement of the year, and also, the initiation of mild winter months in Havana. Peculiarly, January experiences one of the lowest daylight hours with 10.9 hours, yielding about 6 UV index. During this time, temperatures fluctuate from 25.8°C (78.4°F) to 18.6°C (65.5°F), indicating a significantly cooler phase. Consequently, outdoor activities demand substantial planning since there are typically 5 days of rainfall. On the other hand, the lower temperature and humidity render a chance for spectators to enjoy notable cultural events in Havana.

Temperature

With its high average temperature of 25.8°C (78.4°F) and a low of 18.6°C (65.5°F), January is regarded as the coldest month in Havana.

Humidity

In January, the average relative humidity in Havana is 75%.

Rainfall

In Havana, in January, during 5 rainfall days, 64mm (2.52") of precipitation is typically accumulated. In Havana, Cuba, during the entire year, the rain falls for 80 days and collects up to 1189mm (46.81") of precipitation.

Sea temperature

January is the month with the coldest seawater in Havana, with an average sea temperature of 24.7°C (76.5°F).
Note: Think about diving into 24.7°C (76.5°F) waters. Factors like your sensitivity to cold, the brightness of the sun, wind conditions, and the day's warmth play a role. For reference, Olympic swimming competitions use waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

The average length of the day in January is 10h and 54min.
On the first day of the month, sunrise is at 07:10 and sunset at 17:55. On the last day of January, sunrise is at 07:09 and sunset at 18:16 CST.

Sunshine

January, February, November and December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 6, are months with the lowest UV index in Havana, Cuba. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the maximum UV index of 6 suggests these recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.