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Monthly climate in Ciales, Puerto Rico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ciales features a tropical monsoon climate (Am).Temperatures typically range between 23 °C (74 °F) and 26 °C (80 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 1200 mm (47.2 inches) and receives 219 rainy days on the 1 mm (0.04 inches) threshold annually.Ciales enjoys an average of 3889 hours of sunshine throughout the year, and daylight varies from 11 hours 2 minutes to 13 hours 11 minutes per day.

Monthly average temperatures in Ciales, Puerto Rico §

The warmest months in Ciales are July, August and September, with daily mean temperatures ranging from 26 to 26 °C (79 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 23 to 23 °C (74 - 74 °F) throughout the day. On average each year, Ciales experiences 326 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 Ciales, Puerto Rico.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 28°C
(84°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)		 31°C
(89°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(89°F)		 30°C
(87°F)		 30°C
(86°F)
Mean maximum 28°C
(83°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°F)		 31°C
(87°F)		 30°C
(87°F)		 31°C
(88°F)		 32°C
(89°F)		 31°C
(89°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)
Average high 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 28°C
(82°F)		 29°C
(84°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(82°F)
Daily mean 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(75°F)
Average low 20°C
(69°F)		 20°C
(69°F)		 20°C
(69°F)		 21°C
(70°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(72°F)		 21°C
(70°F)
Mean minimum 18°C
(65°F)		 19°C
(66°F)		 19°C
(66°F)		 19°C
(66°F)		 21°C
(70°F)		 22°C
(72°F)		 22°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(71°F)		 20°C
(68°F)		 19°C
(67°F)
Minimum 15°C
(59°F)		 18°C
(64°F)		 18°C
(64°F)		 18°C
(65°F)		 21°C
(69°F)		 21°C
(71°F)		 22°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)		 19°C
(67°F)		 19°C
(66°F)

Compare climate in Ciales with other places

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

Monthly average precipitation in Ciales, Puerto Rico §

Ciales usually has the most precipitation in September, October and November, with an average of 23 rainy days and 164 mm (6.5 inches) of precipitation per month.The driest months in Ciales are January, February and December. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ciales, Puerto Rico.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 38 (1.5) 42 (1.7) 88 (3.4) 87 (3.4) 104 (4.1) 96 (3.8) 104 (4.1) 111 (4.4) 205 (8.1) 171 (6.7) 116 (4.6) 39 (1.5)
Average precipitation days (≥ 1 mm) 12 12 16 18 21 18 20 20 26 25 18 13

Monthly sunshine hours in Ciales, Puerto Rico §

The sunniest months in Ciales are May, July and August, when the sun shines an average of 11 hours 23 minutes a day.Least sunny months in Ciales: January, February and November receive an average of 9 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ciales, Puerto Rico.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 256 303 344 345 355 342 353 350 310 310 296 318
Mean daily daylight hours 11h 9m 11h 32m 12h 2m 12h 33m 12h 58m 13h 11m 13h 4m 12h 41m 12h 12m 11h 42m 11h 15m 11h 2m

Solar UV radiation in Ciales, Puerto Rico §

Ciales experiences the highest level of ultraviolet (UV) radiation in April, May 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 Ciales UV Index data.

Average daily maximum UV levels by month for Ciales, Puerto Rico.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 9 11 13 13 14 13 13 13 13 12 9 8