March weather forecast
Saint John, VI

Beautiful scenery with green vegetation and the vast blue water around the islands in St John, Virgin Islands
Beautiful scenery with green vegetation and the vast blue water around the islands in St John, Virgin Islands

Weather in March

March, the first month of the spring in Saint John, is also a moderately hot month, with an average temperature fluctuating between 69.8°F (21°C) and 82.4°F (28°C).

Temperature

The coldest months are January through March and December, with an average high-temperature of 82.4°F (28°C).

Rainfall

In March, in Saint John, United States Virgin Islands, the rain falls for 10 days. Throughout March, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 156 rainfall days, and 49.69" (1262mm) of precipitation is accumulated.

Ocean temperature

January through April, with an average ocean temperature of 78.8°F (26°C), are months with the coldest seawater.
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The average length of the day in March is 12h and 3min.
On the first day of the month, sunrise is at 6:37 am and sunset at 6:24 pm. On the last day of March, sunrise is at 6:13 am and sunset at 6:32 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 reading of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In March, the average maximum UV index of 12 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the coldest month in Saint John?

The coldest months in Saint John are January through March and December, with an average high-temperature of 82.4°F (28°C).

What is the temperature in March in Saint John?

In March, in Saint John, United States Virgin Islands, the average high-temperature is 82.4°F (28°C), and the average low-temperature is 69.8°F (21°C).

How much does it rain in Saint John in March?

In Saint John, during March, the rain falls for 10 days and regularly aggregates up to 2.24" (57mm) of precipitation.

When is the ocean coldest in Saint John?

The months with the coldest seawater are January through April, with an average ocean temperature of 78.8°F (26°C).

What is the ocean temperature in March in Saint John?

In Saint John, in March, the average water temperature is 78.8°F (26°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in March in Saint John?

In Saint John, United States Virgin Islands, the average day length in March is 12h and 3min.

What time are sunrise and sunset in March in Saint John?

In March, on the first day of the month, sunrise is at 6:37 am and sunset at 6:24 pm. On the last day of the month, in Saint John, sunrise is at 6:13 am and sunset at 6:32 pm AST.

What is the month with the most sunshine in Saint John?

March, April, July and August, with an average of 9h of sunshine, are months with the most sunshine in Saint John, United States Virgin Islands.

How many hours of sunshine does Saint John have in March?

In March, the average sunshine duration in Saint John is 9h.

What is the month with the highest UV index in Saint John?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Saint John.

What is the UV index intensity in March in Saint John?

In Saint John, the average daily maximum UV index in March is 12. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from exposure to the Sun's UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in March
Saint John, VI

Average temperature in March - Saint John, VI
  • Average high temperature in March: 82°F

The warmest months (with the highest average high temperature) are August and September (88°F).
The months with the lowest average high temperature are January, February, March and December (82°F).

  • Average low temperature in March: 70°F

The months with the highest average low temperature are June, July, August, September and October (75°F).
The coldest months (with the lowest average low temperature) are January, February and March (70°F).

[Resources]

Average rainfall in March
Saint John, VI

Average rainfall in March - Saint John, VI
  • Average rainfall in March: 2.2"

The wettest months (with the highest rainfall) are October and November (6.3").
The driest month (with the least rainfall) is February (2.1").

[Resources]

Average rainfall days in March
Saint John, VI

Average rainfall days in March - Saint John, VI
  • Average rainfall days in March: 10 days

The months with the highest number of rainy days are September and October (16 days).
The month with the least rainy days is April (9 days).

[Resources]

Average sea temperature in March
Saint John, VI

Average sea temperature in March - Saint John, VI
  • Average sea temperature in March: 79°F

The best months for swimming (with the highest average sea temperature) are September and October (84°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (79°F).

[Resources]

Average daylight in March /
Average sunshine in March
Saint John, VI

Average daylight in March / Average sunshine in March - Saint John, VI
  • Average daylight in March: 12h and 3min

The month with the longest days is June (Average daylight: 13h and 13min).
The month with the shortest days is December (Average daylight: 11h and 3min).

  • Average sunshine in March: 9h

The months with the most sunshine are March, April, July and August (Average sunshine: 9h).
The months with the least sunshine are November and December (Average sunshine: 7h).

[Resources]

Average UV index in March
Saint John, VI

Average UV index in March - Saint John, VI
  • Average UV index in March: 12

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location