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Monthly climate in Ceiba, Puerto Rico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ceiba features a tropical monsoon climate (Am). Temperatures typically range between 24 °C (76 °F) and 27 °C (82 °F) through the year, but rarely can drop to 21 °C (70 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1391 mm (54.7 inches) and receives 289 rainy days on the 1 mm (0.04 inches) threshold annually. Ceiba enjoys an average of 3915 hours of sunshine throughout the year, and daylight varies from 11 hours 2 minutes to 13 hours 12 minutes per day.

Monthly average temperatures in Ceiba, Puerto Rico

The warmest months in Ceiba are July, August and September, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 24 to 25 °C (76 - 77 °F) throughout the day. On average each year, Ceiba experiences 324 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 Ceiba. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(83°F)		27°C
(81°F)		28°C
(82°F)		29°C
(84°F)		29°C
(85°F)		30°C
(87°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		30°C
(87°F)		29°C
(85°F)		29°C
(85°F)
Mean maximum27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		28°C
(82°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		30°C
(86°F)		31°C
(87°F)		30°C
(86°F)		29°C
(85°F)		28°C
(83°F)
Average high26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		27°C
(81°F)		28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)		29°C
(84°F)		28°C
(82°F)		27°C
(81°F)
Daily mean25°C
(77°F)		24°C
(76°F)		25°C
(76°F)		25°C
(77°F)		26°C
(79°F)		27°C
(80°F)		27°C
(81°F)		27°C
(82°F)		27°C
(82°F)		27°C
(81°F)		26°C
(80°F)		26°C
(78°F)
Average low23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(78°F)		25°C
(77°F)		24°C
(76°F)
Mean minimum22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(73°F)		23°C
(74°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)
Minimum21°C
(70°F)		21°C
(70°F)		22°C
(72°F)		22°C
(71°F)		23°C
(73°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)

Compare climate in Ceiba with other places

Compare temperature, precipitation, sunshine, UV index in Ceiba, Puerto Rico with other places around the world.

Monthly average precipitation in Ceiba, Puerto Rico

Ceiba usually has the most precipitation in August, September and October, with an average of 27 rainy days and 178 mm (7.0 inches) of precipitation per month. The driest months in Ceiba are January, February and March. On average, 65 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ceiba. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)57 (2.3)61 (2.4)78 (3.1)79 (3.1)109 (4.3)110 (4.3)149 (5.9)153 (6.0)195 (7.7)187 (7.4)131 (5.2)81 (3.2)
Average precipitation days (≥ 1 mm)172122202626272728262524

Monthly sunshine hours in Ceiba, Puerto Rico

The sunniest months in Ceiba are May, July and August, when the sun shines an average of 11 hours 23 minutes a day. Least sunny months in Ceiba: January, February and November receive an average of 9 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ceiba. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257301348347356344354348318315301319
Mean daily daylight hours11h 9m11h 32m12h 2m12h 33m12h 59m13h 12m13h 5m12h 42m12h 12m11h 41m11h 15m11h 2m

Solar UV radiation in Ceiba, Puerto Rico

Ceiba 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 Ceiba UV Index data.

Average daily maximum UV levels by month for Ceiba. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131313131213141298