Photo:Greg Tee Creative Commons Attribution 2.0 Generic no changes made
Bonaire has a tropical-arid (= dry and arid) climate with a lot of sun as its main feature. There is also almost always a cooling trade wind. The average annual temperature is 27.5 °C. There is little difference between day and night temperatures and the temperature difference between summer and winter is only two degrees. It is coolest in January and February, 29 °C during the day and 25 °C at night. September and October are the hottest, 31 °C during the day and about 27 °C at night.
There is hardly a day without sunshine. On an annual basis the number of hours of sunshine exceeds 3000. On average, there is about 500 mm of rain per year. Rain often falls in the morning in the form of short, heavy, local showers. Most rain falls in the months of October, November and December. During this period there is about half the average for the whole year. The greatest chance of dry weather is in the months of February, March, April, May and June. Tropical storms are almost non-existent on Bonaire due to Bonaire's location just outside the area where hurricanes occur most often. The seawater temperature averages about 27 °C.
Bakker, J. / Nederlandse Antillen en Aruba
Helm, R. van der / Reishandboek Bonaire
Encyclopedie van de Nederlandse Antillen
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