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Monthly climate in The Bottom, Bonaire, Sint Eustatius and Saba

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification The Bottom 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 814 mm (32.0 inches) and receives 177 rainy days on the 1 mm (0.04 inches) threshold annually. The Bottom enjoys an average of 3942 hours of sunshine throughout the year, and daylight varies from 11 hours 4 minutes to 13 hours 9 minutes per day.

Monthly average temperatures in The Bottom, Bonaire, Sint Eustatius and Saba

The warmest months in The Bottom 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, The Bottom 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 The Bottom. 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)		26°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
(79°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)		25°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
(79°F)		27°C
(80°F)		27°C
(81°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)		25°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
(77°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)

Compare climate in The Bottom with other places

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

Monthly average precipitation in The Bottom, Bonaire, Sint Eustatius and Saba

The Bottom usually has the most precipitation in September, October and November, with an average of 18 rainy days and 120 mm (4.7 inches) of precipitation per month. The driest months in The Bottom are January, February and March. On average, 30 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in The Bottom. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)33 (1.3)32 (1.2)26 (1.0)37 (1.4)50 (2.0)51 (2.0)83 (3.2)97 (3.8)151 (5.9)114 (4.5)97 (3.8)46 (1.8)
Average precipitation days (≥ 1 mm)13119111214181720191716

Monthly sunshine hours in The Bottom, Bonaire, Sint Eustatius and Saba

The sunniest months in The Bottom are March, May and July, when the sun shines an average of 11 hours 31 minutes a day. Least sunny months in The Bottom: 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 The Bottom. 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 11m11h 33m12h 2m12h 32m12h 57m13h 9m13h 2m12h 40m12h 12m11h 42m11h 17m11h 4m

Solar UV radiation in The Bottom, Bonaire, Sint Eustatius and Saba

The Bottom 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 The Bottom UV Index data.

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