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Ciales Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ciales.
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10-day forecastForecast
Climate overview of Ciales
Ciales in Puerto Rico is known for its beautiful river spots and is emerging as a nature getaway. It maintains a fairly consistent, warm climate and also has a relatively rainy climate with high levels of precipitation. Let's now guide you through the climate details for a complete overview.
Ciales Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ciales - and find the best time to visit.
Monthly Temperature in Ciales
The climate in Ciales remains fairly constant, offering comfortable temperatures throughout the year. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a comfortable 28°C (82°F) in January.
Nighttime temperatures range from 24°C (75°F) in August to 21°C (70°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ciales
Ciales is known for its substantial rainfall, with annual precipitation reaching 1223 mm (48 in). The seasons in Ciales bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 170 mm (6.7 in) of precipitation. This rainfall is distributed across 18 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 47 mm (1.9 in) over 20 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Ciales Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Ciales
Ciales enjoys sunny spells year-round. March sees up to 9.5 hours of daily sunshine, perfect for a sunny trip. November, the least sunny month, still offers a generous 6.8 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: San Juan, Puerto Rico (50 KM, 31 Miles).
Daily hours of sunshine
Data from: San Juan, Puerto Rico (50 KM, 31 Miles).
Daily percentage of sunshine
Data from: San Juan, Puerto Rico (50 KM, 31 Miles).
Humidity in Ciales by Month
The relative humidity is high throughout the year in Ciales.
The city experiences its highest humidity in October, reaching 77%. In March, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: San Juan, Puerto Rico (50 KM, 31 Miles).
Best Time to Visit Ciales
For comfortable weather, consider visiting Ciales in January, February, March and December. Conditions are usually least favourable in May, August, September and October.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
very good
May
mixed
Jun
good
Jul
good
Aug
mixed
Sep
mixed
Oct
mixed
Nov
very good
Dec
excellent
- Best overall: January, February, March and December
- Warmest weather: May, June, July, August, September and October
- Most sunshine: March and July
- Fewer rainy days: February, March, April, May and June
Frequently asked questions about the climate in Ciales
What is the best time to visit Ciales?
January, February, March and December typically offer the most optimal weather in Ciales. In contrast, May, August, September and October tend to have less optimal conditions.
What temperatures can I expect in Ciales?
Daytime highs range from 28°C (82°F) in January to 31°C (88°F) in August. Nighttime lows range from 21°C (70°F) to 24°C (75°F). Temperatures stay relatively stable year-round.
How much rain does Ciales get?
Annual rainfall is around 1223 mm (48 in). September is the wettest month with 170 mm (6.7 in), while January is the driest with 47 mm (1.9 in).
How sunny is Ciales?
Ciales receives around 2,966 hours of sunshine per year. March is the sunniest month with 284 hours, while November is the cloudiest with just 203 hours. Overall, Ciales enjoys abundant sunshine.
Ciales 3-Day Forecast
Ciales on the map
Ciales is highlighted - select any city to see its climate.
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