March weather forecast
Diego Garcia, British Indian Ocean Territory

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Palm trees bent towards the ocean in a lagoon beach in Diego Garcia, within British Indian Ocean Territory
Palm trees bent towards the ocean in a lagoon beach in Diego Garcia, within British Indian Ocean Territory

Weather in March

The first month of the autumn, March, is also a hot month in Diego Garcia, British Indian Ocean Territory, with an average temperature varying between 27°C (80.6°F) and 30°C (86°F).
The ideal sea water temperature of 29°C (84.2°F) and only 1 rainfall days, with 23mm (0.91") of accumulated rainfall, makes March the best time for swimming and other water activities.

Temperature

Diego Garcia's temperatures tend to hit their minimum during March through November, with an average high-temperature of 30°C (86°F).

Rainfall

In March, in Diego Garcia, the rain falls for 1 days. Throughout March, 23mm (0.91") of precipitation is accumulated. In Diego Garcia, during the entire year, the rain falls for 123 days and collects up to 2213mm (87.13") of precipitation.

Sea temperature

March and April, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Diego Garcia.
Note: Water temperatures ranging between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.

Daylight

The average length of the day in March is 12h and 8min.
On the first day of the month, sunrise is at 07:15 and sunset at 19:29. On the last day of March, in Diego Garcia, sunrise is at 07:13 and sunset at 19:15 +06.

Sunshine

In Diego Garcia, the average sunshine in March is 9h.

UV index

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 12 in March suggests the following recommendations:
Ensure all key precautions. Defense against sun exposure is critical. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Despite the overcast weather, sunscreen with SPF of at least 30 should be applied liberally and reapplied often, particularly after swimming or an outdoor workout. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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Frequently asked questions

What part of the year is the coldest in Diego Garcia?

Diego Garcia's lowest temperatures tend to occur in March through November, with an average high-temperature of 30°C (86°F).

How hot does it get in Diego Garcia in March?

The average high-temperature, in March, in Diego Garcia, is 30°C (86°F), while the average low-temperature is 27°C (80.6°F).

How many days does it rain in March in Diego Garcia?

In Diego Garcia, British Indian Ocean Territory, during March, the rain falls for 1 days and regularly aggregates up to 23mm (0.91") of precipitation.

When is the sea warmest in Diego Garcia?

The months with the warmest seawater in Diego Garcia are March and April, with an average sea temperature of 29°C (84.2°F).

How warm is the water in March in Diego Garcia?

In Diego Garcia, in March, the average water temperature is 29°C (84.2°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 Diego Garcia have in March?

The average day length in March is 12h and 8min.

What time are sunrise and sunset in March in Diego Garcia?

In March, on the first day of the month, sunrise is at 07:15 and sunset at 19:29. On the last day of the month, in Diego Garcia, British Indian Ocean Territory, sunrise is at 07:13 and sunset at 19:15 +06.

How many hours of sunshine does Diego Garcia have in March?

In Diego Garcia, the average sunshine duration in March is 9h.

What are the months with the highest UV index in Diego Garcia?

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index in Diego Garcia.

How high is the UV index in March in Diego Garcia?

In Diego Garcia, British Indian Ocean Territory, the average daily maximum UV index in March is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from unprotected exposure to UV radiation.
Average high temperature
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in March
Diego Garcia, British Indian Ocean Territory

Average temperature in March - Diego Garcia, British Indian Ocean Territory
  • Average high temperature in March: 30°C

The warmest months (with the highest average high temperature) are January, February and December (31°C).
The months with the lowest average high temperature are March, April, May, June, July, August, September, October and November (30°C).

  • Average low temperature in March: 27°C

The months with the highest average low temperature are January, March, April, May, August, September, October and December (27°C).
The coldest months (with the lowest average low temperature) are February, June, July and November (26°C).

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Average rainfall in March
Diego Garcia, British Indian Ocean Territory

Average rainfall in March - Diego Garcia, British Indian Ocean Territory
  • Average rainfall in March: 23mm

The wettest month (with the highest rainfall) is August (298mm).
The driest month (with the least rainfall) is February (18mm).

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Average rainfall days in March
Diego Garcia, British Indian Ocean Territory

Average rainfall days in March - Diego Garcia, British Indian Ocean Territory
  • Average rainfall days in March: 1 days

The month with the highest number of rainy days is June (17 days).
The months with the least rainy days are February and March (1 days).

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Average sea temperature in March
Diego Garcia, British Indian Ocean Territory

Average sea temperature in March - Diego Garcia, British Indian Ocean Territory
  • Average sea temperature in March: 29°C

The best months for swimming (with the highest average sea temperature) are March and April (29°C).
The coldest months (with the lowest average sea temperature) are June, July, August and September (27°C).

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Average daylight in March /
Average sunshine in March
Diego Garcia, British Indian Ocean Territory

Average daylight in March / Average sunshine in March - Diego Garcia, British Indian Ocean Territory
  • Average daylight in March: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in March: 9h and 0min

The month with the most sunshine is February (Average sunshine: 9h and 18min).
The months with the least sunshine are June and September (Average sunshine: 6h and 42min).

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Average UV index in March
Diego Garcia, British Indian Ocean Territory

Average UV index in March - Diego Garcia, British Indian Ocean Territory
  • Average UV index in March: 12

The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 10).

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Diego Garcia, British Indian Ocean Territory

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