August weather forecast
Saint John, VI

August moves in with similar weather conditions to July, maintaining a warm and humid climate in Saint John. The tropical city welcomes visitors seeking the warm waters and abundant sunshine during this summertime. August does ramp up its rainfall, reaching 4.9" (124mm). This spike in rain showers lends a distinct monsoon touch to the month, adding to its tropical allure.

Temperature

In Saint John, the warmest months are August and September, registering an average high-temperature of 87.8°F (31°C).

Rainfall

In Saint John, during August, the rain falls for 14 days and regularly aggregates up to 4.88" (124mm) of 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

In August, the average ocean temperature is 82.4°F (28°C).
Note: Water surface temperatures from 77°F (25°C) to 84.2°F (29°C) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

The average length of the day in August in Saint John is 12h and 44min.
On the first day of the month, sunrise is at 5:57 am and sunset at 6:53 pm. On the last day of August, sunrise is at 6:04 am and sunset at 6:33 pm AST.

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 12 in August transforms into the following instructions:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Directly after swimming or an outdoor workout, generously apply and reapply a broad-spectrum SPF 30+ sunscreen. Be on guard! The reflective nature of sand and water boosts UV exposure.