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Monthly climate in Oranjestad, Bonaire, Sint Eustatius and Saba

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Oranjestad features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (77 °F) and 28 °C (82 °F) through the year, but rarely can drop to 22 °C (72 °F) or can rise to as high as 29 °C (85 °F). The average annual precipitation amounts to about 792 mm (31.2 inches) and receives 169 rainy days on the 1 mm (0.04 inches) threshold annually. Oranjestad enjoys an average of 3942 hours of sunshine throughout the year, and daylight varies from 11 hours 5 minutes to 13 hours 8 minutes per day.

Monthly average temperatures in Oranjestad, Bonaire, Sint Eustatius and Saba

The warmest months in Oranjestad are August, September and October, with daily mean temperatures ranging from 27 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 25 to 25 °C (77 - 78 °F) throughout the day. On average each year, Oranjestad experiences 323 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Oranjestad. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(81°F)		27°C
(80°F)		27°C
(80°F)		27°C
(82°F)		28°C
(82°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		28°C
(83°F)		28°C
(82°F)
Mean maximum27°C
(80°F)		26°C
(80°F)		26°C
(79°F)		27°C
(80°F)		27°C
(82°F)		28°C
(82°F)		28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		27°C
(82°F)
Average high26°C
(79°F)		26°C
(78°F)		26°C
(78°F)		26°C
(79°F)		27°C
(80°F)		27°C
(82°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		27°C
(81°F)		27°C
(80°F)
Daily mean25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		26°C
(78°F)		26°C
(79°F)		27°C
(81°F)		27°C
(81°F)		28°C
(82°F)		28°C
(82°F)		27°C
(82°F)		27°C
(80°F)		26°C
(79°F)
Average low25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		26°C
(78°F)		26°C
(80°F)		26°C
(80°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)		26°C
(79°F)		25°C
(78°F)
Mean minimum23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		26°C
(78°F)		25°C
(78°F)		25°C
(77°F)		24°C
(76°F)
Minimum23°C
(73°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)

Compare climate in Oranjestad with other places

Compare temperature, precipitation, sunshine, UV index in Oranjestad, Bonaire, Sint Eustatius and Saba with other places around the world.

Monthly average precipitation in Oranjestad, Bonaire, Sint Eustatius and Saba

Oranjestad usually has the most precipitation in August, September and October, with an average of 17 rainy days and 118 mm (4.7 inches) of precipitation per month. The driest months in Oranjestad are January, February and March. On average, 29 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oranjestad. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)31 (1.2)31 (1.2)25 (1.0)37 (1.4)50 (2.0)49 (1.9)77 (3.0)98 (3.9)148 (5.8)108 (4.3)92 (3.6)45 (1.8)
Average precipitation days (≥ 1 mm)12108111213181620171616

Monthly sunshine hours in Oranjestad, Bonaire, Sint Eustatius and Saba

The sunniest months in Oranjestad are March, May and July, when the sun shines an average of 11 hours 31 minutes a day. Least sunny months in Oranjestad: January, February and November receive an average of 9 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oranjestad. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours259299350348359340361350320319307323
Mean daily daylight hours11h 12m11h 33m12h 2m12h 32m12h 56m13h 8m13h 2m12h 40m12h 12m11h 42m11h 17m11h 5m

Solar UV radiation in Oranjestad, Bonaire, Sint Eustatius and Saba

Oranjestad experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Oranjestad UV Index data.

Average daily maximum UV levels by month for Oranjestad. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131313131313141299