UTC Offset
UTC-04:00
Cayey, Puerto Rico Snapshot 2026
Where is Cayey?
Cayey, Puerto Rico
- Continent
- Americas
- Country
- Puerto Rico
- City
- Cayey
- Population
- 18.5K
- Elevation
- 397 m
- Coordinates
- 18.11°, -66.17°
Cayey is a city in Puerto Rico with a population of approximately 18.5K. Average temperatures range from 20°C (67°F) in February to 29°C (84°F) in August. The best time to visit is January, February, March, December. The city sits at an elevation of 397 m above sea level.
Time in Cayey right now
Open full time & time zone page 10:55 55
Friday, May 8, 2026
IANA time zone
America/Puerto_Rico
Daylight saving
No DST
Next DST change
—
Live weather in Cayey
Daylight in Cayey today
View full sunrise & sunset page Sunrise
Sunset
Day length
12h 54m
Climate normals for Cayey
Long-term monthly averages based on historical data.
January best
Excellent 
February best
Excellent March best
Excellent April
Wet May
Wet June
Good July
Wet August
Wet September
Wet October
Wet November
Wet December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 26°C / 20°C | 27°C / 21°C | 11days (30 mm) Wet | 10.4h Excellent | 83% Humid | 6.5 High | Excellent | View Details |
| February best | 26°C / 20°C | 27°C / 21°C | 12days (44 mm) Wet | 10.7h Excellent | 81% Humid | 7.4 Very High | Excellent | View Details |
| March best | 26°C / 20°C | 29°C / 21°C | 13days (50 mm) Wet | 10.9h Excellent | 80% Humid | 8.4 Very High | Excellent | View Details |
| April | 27°C / 21°C | 30°C / 22°C | 18days (83 mm) Wet | 11.3h Excellent | 81% Humid | 8.5 Very High | Wet | View Details |
| May | 28°C / 22°C | 31°C / 24°C | 19days (84 mm) Wet | 11.5h Excellent | 84% Humid | 8.7 Very High | Wet | View Details |
| June | 28°C / 23°C | 32°C / 25°C | 16days (62 mm) Wet | 11.9h Excellent | 83% Humid | 8.7 Very High | Good | View Details |
| July | 29°C / 23°C | 32°C / 25°C | 18days (90 mm) Wet | 11.6h Excellent | 83% Humid | 8.6 Very High | Wet | View Details |
| August | 29°C / 23°C | 33°C / 26°C | 19days (103 mm) Wet | 11.1h Excellent | 84% Humid | 8.7 Very High | Wet | View Details |
| September | 28°C / 23°C | 33°C / 26°C | 23days (169 mm) Wet | 10.5h Excellent | 87% Very Muggy | 8.5 Very High | Wet | View Details |
| October | 28°C / 23°C | 32°C / 26°C | 23days (141 mm) Wet | 9.8h Good | 88% Very Muggy | 7.5 Very High | Wet | View Details |
| November | 27°C / 22°C | 30°C / 24°C | 18days (120 mm) Wet | 9.6h Good | 87% Very Muggy | 6.6 High | Wet | View Details |
| December best | 26°C / 21°C | 28°C / 22°C | 12days (38 mm) Wet | 10.2h Excellent | 84% Humid | 6.1 High | Excellent | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 26°C / 20°C . Feb: 26°C / 20°C . Mar: 26°C / 20°C . Apr: 27°C / 21°C . May: 28°C / 22°C . Jun: 28°C / 23°C . Jul: 29°C / 23°C . Aug: 29°C / 23°C . Sep: 28°C / 23°C . Oct: 28°C / 23°C . Nov: 27°C / 22°C . Dec: 26°C / 21°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 30 mm. Feb: 44 mm. Mar: 50 mm. Apr: 83 mm. May: 84 mm. Jun: 62 mm. Jul: 90 mm. Aug: 103 mm. Sep: 169 mm. Oct: 141 mm. Nov: 120 mm. Dec: 38 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 83%. Feb: 81%. Mar: 80%. Apr: 81%. May: 84%. Jun: 83%. Jul: 83%. Aug: 84%. Sep: 87%. Oct: 88%. Nov: 87%. Dec: 84%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 21 km/h . Mar: 19 km/h . Apr: 18 km/h . May: 19 km/h . Jun: 21 km/h . Jul: 22 km/h . Aug: 20 km/h . Sep: 17 km/h . Oct: 16 km/h . Nov: 17 km/h . Dec: 19 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 27°C . Feb: 27°C . Mar: 27°C . Apr: 28°C . May: 29°C . Jun: 29°C . Jul: 29°C . Aug: 30°C . Sep: 30°C . Oct: 31°C . Nov: 29°C . Dec: 28°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 7. Mar: UV 8. Apr: UV 9. May: UV 9. Jun: UV 9. Jul: UV 9. Aug: UV 9. Sep: UV 9. Oct: UV 8. Nov: UV 7. Dec: UV 6.
Frequently Asked Questions
Cayey has a population of approximately 18.5K.
The best months to visit Cayey are January, February, March, December, when temperatures are pleasant and rainfall is lower.
Cayey receives approximately 1014mm of rainfall annually across 202 rainy days.
Cayey is located in Puerto Rico, in the Americas region.
Cayey sits at an elevation of 397 m (1,302 ft) above sea level.