January weather forecast
Montego Bay, Jamaica

The first month of the year sets the stage for characteristic Montego Bay weather: warm temperatures, occasional showers and plenty of sunshine hours. January sees a relatively cooler range of temperatures shifting between 20°C (68°F) to 29°C (84.2°F). This contributes to a milder climate compared to the intensifying heat in the upcoming months. From its daytime temperature to the sea temperature, everything seems balanced, offering an ideal experience for visitors. As for rainfall, it is significantly lower making it a good time to enjoy clear skies and sunny days.

Temperature

The months of January and February see the lowest levels of Montego Bay's temperatures, averaging a high of 29°C (84.2°F).

Rainfall

In Montego Bay, in January, it is raining for 8 days, with typically 81mm (3.19") of accumulated precipitation. In Montego Bay, during the entire year, the rain falls for 128 days and collects up to 1942mm (76.46") of precipitation.

Sea temperature

In January, the average sea temperature is 27.1°C (80.8°F).
Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.

Daylight

The average length of the day in January in Montego Bay is 11h and 10min.
On the first day of the month, sunrise is at 06:43 and sunset at 17:46. On the last day of January, in Montego Bay, sunrise is at 06:45 and sunset at 18:04 EST.

Sunshine

In Montego Bay, Jamaica, the average sunshine in January is 7h.

UV index

January and December, with an average maximum UV index of 8, are months with the lowest UV index. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 8 translates into the following recommendations:
Never neglect to protect yourself. Eyes and skin can suffer swift damage. 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. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Caution! The mirror effect of sand and water ups the UV radiation strength.