March weather forecast
Grenadines, Saint Vincent and the Grenadines

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Weather in March

March is a month of considerable stability in Grenadines, Saint Vincent and the Grenadines, with no major changes in the weather compared to February. The temperature, daylight hours, and UV index all stay constant, indicating a pleasing consistency for outdoor enjoyment. The amount of rainfall experiences a minor increase, going up to 59mm (2.32") for the month. Events, festivities and outdoor excursions continue to thrive as the weather conditions remain favorably mild and reasonably dry. March offers the same pleasing, soothing climate that the region is known for to its residents and visitors.

Temperature

Grenadines experiences lowest temperatures, averaging a high-temperature of 29°C (84.2°F) during January through March and December.

Rainfall

In Grenadines, during March, the rain falls for 12 days and regularly aggregates up to 59mm (2.32") of precipitation. Throughout the year, in Grenadines, there are 200 rainfall days, and 1594mm (62.76") of precipitation is accumulated.

Sea temperature

The months with the coldest seawater in Grenadines are January through April and December, with an average sea temperature of 27°C (80.6°F).
Note: In any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are viewed as magnificent and exceptionally pleasant for prolonged enjoyment.

Daylight

In Grenadines, the average length of the day in March is 12h and 4min.
On the first day of March in Grenadines, sunrise is at 06:20 and sunset at 18:13. On the last day of the month, sunrise is at 06:01 and sunset at 18:16 AST.

Sunshine

January through May and August, with an average of 8h of sunshine, are months with the most sunshine in Grenadines.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 12 during March translates into the following guidance:
Practice every essential safety step. People with fair skin could receive burns in fewer than 5 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. 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! Sand and water surfaces escalate the UV intensity from the Sun.
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Frequently asked questions

What part of the year is the coldest in Grenadines?

Grenadines witnesses its lowest temperatures in January through March and December, reaching an average of 29°C (84.2°F).

How hot is March in Grenadines?

The high-temperature, in March, in Grenadines, is 29°C (84.2°F), while the low-temperature averages to 21°C (69.8°F).

How many days does it rain in March in Grenadines?

In Grenadines, in March, during 12 rainfall days, 59mm (2.32") of precipitation is typically accumulated.

What months are the sea coldest in Grenadines?

January through April and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.

What is the sea water temperature in March in Grenadines?

In March, the average sea temperature is 27°C (80.6°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Grenadines have in March?

In March, the average day length in Grenadines is 12h and 4min.

When are sunrise and sunset in March in Grenadines?

In March, on the first day of the month, sunrise is at 06:20 and sunset at 18:13. On the last day of the month, sunrise is at 06:01 and sunset at 18:16 AST.

What is the month with the most sunshine in Grenadines?

The months with the most sunshine in Grenadines are January through May and August, with an average of 8h of sunshine.

How many hours of sunshine does Grenadines have in March?

In Grenadines, Saint Vincent and the Grenadines, the average sunshine duration in March is 8h.

When is the highest UV index in Grenadines?

February through September, with an average maximum UV index of 12, are months with the highest UV index.

How high is the UV index in March in Grenadines?

In March, the average daily maximum UV index in Grenadines, Saint Vincent and the Grenadines, is 12. A UV Index value of 11, and more, symbolizes an extreme health threat from unprotected exposure to UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in March
Grenadines, Saint Vincent and the Grenadines

Average temperature in March - Grenadines, Saint Vincent and the Grenadines
  • Average high temperature in March: 29°C

The warmest months (with the highest average high temperature) are April, May, June, July, August, September, October and November (30°C).
The months with the lowest average high temperature are January, February, March and December (29°C).

  • Average low temperature in March: 21°C

The months with the highest average low temperature are May, June, July, August, September and October (23°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (21°C).

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Average rainfall in March
Grenadines, Saint Vincent and the Grenadines

Average rainfall in March - Grenadines, Saint Vincent and the Grenadines
  • Average rainfall in March: 59mm

The wettest month (with the highest rainfall) is October (207mm).
The driest month (with the least rainfall) is February (57mm).

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Average rainfall days in March
Grenadines, Saint Vincent and the Grenadines

Average rainfall days in March - Grenadines, Saint Vincent and the Grenadines
  • Average rainfall days in March: 12 days

The months with the highest number of rainy days are July and September (21 days).
The month with the least rainy days is April (10 days).

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Average sea temperature in March
Grenadines, Saint Vincent and the Grenadines

Average sea temperature in March - Grenadines, Saint Vincent and the Grenadines
  • Average sea temperature in March: 27°C

The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March, April and December (27°C).

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Average daylight in March /
Average sunshine in March
Grenadines, Saint Vincent and the Grenadines

Average daylight in March / Average sunshine in March - Grenadines, Saint Vincent and the Grenadines
  • Average daylight in March: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in March: 8h

The months with the most sunshine are January, February, March, April, May and August (Average sunshine: 8h).
The months with the least sunshine are June, July, September, October, November and December (Average sunshine: 7h).

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Average UV index in March
Grenadines, Saint Vincent and the Grenadines

Average UV index in March - Grenadines, Saint Vincent and the Grenadines
  • Average UV index in March: 12

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

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Grenadines, Saint Vincent and the Grenadines

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