As of 02:17 AST

Cayey, PR weather in December

76°

Cayey, Sunday, 9 August, 02:17

Light rain. Feels like 77°. High 87°, low 74°.

Pressure29.97 inHg

Wind3 mph E

Humidity84%

Visibility6.2 mi

Dew point71°

See detailed hourly forecast

In December, Cayey, PR averages a high of 78° and a low of 67.8°. About 1.7 inches of precipitation fall over the month (13 wet days). The record high is 84.2° (2024) and the record low 58.8° (2025). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	78.8°	68.5°	43%	82.4° (2024)	63° (2001)
2	78.6°	68.7°	38%	82.2° (2024)	63.7° (2005)
3	78.4°	68.5°	40%	81.9° (1962)	61.9° (2010)
4	78.1°	68.4°	52%	81.7° (1962)	62.1° (2010)
5	78.3°	68.5°	50%	82.4° (1962)	62.6° (2010)
6	78.3°	68.5°	42%	83.5° (2024)	63.7° (1996)
7	78.4°	68.4°	47%	84.2° (2024)	62.8° (1960)
8	78.1°	68.4°	38%	82° (1997)	63.1° (1960)
9	78.1°	68.2°	32%	81.5° (1997)	63° (2020)
10	77.9°	68.2°	52%	83.1° (1989)	61.3° (2022)
11	78.1°	68.2°	42%	82.4° (1989)	63.3° (2022)
12	78.3°	68°	45%	81.9° (1967)	62.2° (2018)
13	78.1°	68°	42%	82.8° (1962)	60.1° (2022)
14	78.1°	67.6°	47%	82° (1989)	61° (2022)
15	77.7°	68°	47%	82.4° (1965)	62.8° (1966)
16	77.5°	67.8°	52%	81.3° (2024)	63.3° (1964)
17	78.1°	67.8°	33%	81.3° (1993)	62.6° (2008)
18	77.9°	67.5°	33%	82.2° (1962)	61.5° (2018)
19	77.9°	67.6°	38%	82.6° (1967)	61.3° (2018)
20	77.9°	67.6°	42%	82.4° (1997)	63.1° (1984)
21	77.9°	67.6°	27%	81.3° (2009)	64° (1984)
22	77.9°	67.6°	37%	81.3° (1995)	61.9° (1964)
23	77.9°	67.6°	35%	81.5° (1989)	62.1° (1991)
24	77.7°	67.5°	50%	82.4° (1995)	60.3° (1991)
25	77.7°	67.5°	37%	82.8° (1995)	61.5° (2010)
26	77.7°	67.3°	38%	82.2° (1995)	61° (1979)
27	78.3°	67.1°	45%	82.8° (1976)	61.7° (1979)
28	77.4°	67.1°	40%	81.3° (1995)	59.2° (2025)
29	77.5°	67.1°	27%	81.3° (1995)	58.8° (2025)
30	77.4°	66.9°	50%	80.6° (2012)	60.6° (2024)
31	77.4°	67.3°	40%	81.5° (1995)	62.1° (1962)