January weather forecast
Jolly Harbour, Antigua and Barbuda

In January, Jolly Harbour, Antigua and Barbuda starts the year bathed in sunlight, boasting an average of 8 hours of sunshine per day. The region experiences tropical climatic conditions, which broaden the possibility of outdoor activities. An increase in daylight hours is expected as the month progresses, signaling the transition into longer days of the year. The sea temperature allows comfortable swimming, contributing to beach tourism in the region. January ranks as the month with the third highest rainfall, with 67mm (2.64") falling over a span of 16 days.

Temperature

In Jolly Harbour, the coldest months are January and February, registering an average high-temperature of 28°C (82.4°F).

Rainfall

In Jolly Harbour, in January, during 16 rainfall days, 67mm (2.64") of precipitation is typically accumulated. Throughout the year, in Jolly Harbour, there are 180 rainfall days, and 1040mm (40.94") of precipitation is accumulated.

Sea temperature

January through April, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.
Note: For any water activity, surface water temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed perfect and extremely pleasing for enduring enjoyment.

Daylight

In Jolly Harbour, the average length of the day in January is 11h and 14min.
On the first day of January in Jolly Harbour, sunrise is at 06:36 and sunset at 17:44. On the last day of the month, sunrise is at 06:39 and sunset at 18:02 AST.

Sunshine

January through August, with an average of 8h of sunshine, are months with the most sunshine in Jolly Harbour.

UV index

January and December, with an average maximum UV index of 8, are months with the lowest UV index. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 8 during January leads to these instructions:
Always take precautions; unprotected eyes and skin can be damaged rapidly. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Caution! The mirror effect of sand and water ups the UV radiation strength.