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Climate - Bonaire

Temperature, rainfall, prevailing weather conditions, when to go, what to pack

See also the US version (°F - inches - feet)

Flag - Bonaire

Bonaire has a tropical climate, hot all year round, since the temperatures fluctuate throughout the year between 23 and 25 °C at night, and between 29 and 31 °C during the day. The hottest and more sultry period runs from May to October. However, the north-east trade winds blow constantly, tempering the heat.
Bonaire is a Caribbean island, about a hundred kilometres north of the coast of Venezuela, it's an official part of the Netherlands, like the neighbouring Curaçao and Aruba, and its capital is Kralendijk.
Here are the average temperatures of Kralendijk.
Kralendijk average temperatures
Kralendijk J F M A M J J A S O N D
Min (°C) 23 23 23 24 24 25 25 25 25 25 24 23
Max (°C) 29 29 29 30 30 31 31 31 31 31 30 29

The climate is also sunny and dry, so much so that in a typical year, just 565 millimetres of rain fall, with a relatively rainy period between October and December, when, however, still less than 110 mm of rain per month fall. The rains, brought by the northeast trade winds, continue with some frequency even in January or mid-February.
Here is the average precipitation.
Average precipitation Kralendijk
Kralendijk J F M A M J J A S O N D Year
Prec. (mm) 52 25 19 27 22 25 38 33 30 94 106 96 567
Days 9 5 3 3 3 4 6 5 5 7 11 11 72

Bonaire is a flat island, with a certain shortage of fresh water, because of the lack of rivers.


For swimming, the sea is warm enough throughout the year: the water temperature goes from 26 °C in February and March, to 29 °C in September and October.
Sea temperature Bonaire
Bonaire J F M A M J J A S O N D
Sea (°C) 27 26 26 27 27 28 28 28 29 29 28 27

When to go

The best time to visit Bonaire runs from mid-February to May. The period from May to October is sultry, even though the trade winds make the heat bearable. From June to November, but especially from August to October, there is the danger of tropical storms and hurricanes: compared with the rest of the Caribbean, they are relatively rare at these latitudes, but they can still reach the Leeward Antilles and Bonaire. From October to December the rainfall is moderate, and sometimes the rains, though not excessive, linger on until January or mid-February.

What to pack

All year round: light tropical clothes, made of cotton or linen, possibly a light raincoat for thunderstorms, especially from October to January; those who are sensitive to cold can bring a light sweatshirt for the evening.
For the reef, equipment for snorkeling, water shoes or rubber soled shoes.

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