April weather forecast
Saint John, VI

Navigating from March, April in Saint John witnesses moderate changes. The city continues its journey through the year maintaining its tropical climate characteristics, with a slight rise in temperatures making for a warmer month. The noticeable shift in weather this month lies in the 3.5" (89mm) of rainfall, a pronounced jump from March. While the weather remains largely predictable, April is slightly more prone to wet spells.

Temperature

The shift into April uncovers an average high-temperature of a still moderately hot 84.2°F (29°C), subtly different from the previous month. Throughout April nights, Saint John registers an average low-temperature of 71.6°F (22°C).

Rainfall

In Saint John, United States Virgin Islands, in April, it is raining for 9 days, with typically 3.46" (88mm) of accumulated precipitation. In Saint John, during the entire year, the rain falls for 156 days and collects up to 49.69" (1262mm) of precipitation.

Ocean temperature

January through April, with an average ocean temperature of 78.8°F (26°C), are months with the coldest seawater.
Note: Surface water temperatures between 77°F (25°C) and 84.2°F (29°C) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.

Daylight

In April, the average length of the day is 12h and 34min.
On the first day of the month, sunrise is at 6:12 am and sunset at 6:32 pm. On the last day of April, sunrise is at 5:51 am and sunset at 6:40 pm AST.

Sunshine

The months with the most sunshine are March, April, July and August, with an average of 9h of sunshine.

UV index

The months with the highest UV index in Saint John are March through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In April, the average maximum UV index of 12 translates into the following recommendations:
Carry out all important precautions, unprotected skin could get burns in no time. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Apply generously and frequently reapply a sunscreen with SPF 30 or more even on cloudy days, particularly after a swim or outdoor exercise. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.