As of 22:12 AST

Coamo, PR weather in December

82°

Coamo, Saturday, 8 August, 22:12

Clear. Feels like 88°. High 89°, low 76°.

Pressure30.03 inHg

Wind1 mph NW

Humidity81%

Visibility6.2 mi

Dew point75°

See detailed hourly forecast

In December, Coamo, PR averages a high of 82.1° and a low of 70.5°. About 1.5 inches of precipitation fall over the month (12 wet days). The record high is 90.7° (2024) and the record low 56.7° (2025). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	82.8°	71.2°	43%	89.8° (2021)	64.8° (2001)
2	82.6°	71.4°	40%	88.3° (2024)	65.5° (2025)
3	82.2°	71.1°	40%	87.3° (2023)	64° (2010)
4	82°	71.1°	45%	87.4° (2021)	65.1° (2010)
5	82.2°	71.1°	43%	88.3° (2024)	65.1° (2010)
6	82.4°	71.1°	42%	90.7° (2024)	65.1° (1996)
7	82.4°	70.9°	45%	89.8° (2024)	63.9° (1960)
8	82.2°	70.9°	38%	88.5° (2024)	64.9° (1960)
9	82°	70.9°	32%	88.2° (2024)	65.8° (2022)
10	81.9°	70.9°	47%	88° (1989)	63.7° (2022)
11	82.2°	70.9°	37%	88.3° (2021)	65.8° (2022)
12	82.4°	70.7°	37%	86.9° (1989)	64.8° (2022)
13	82.2°	70.7°	35%	87.4° (1989)	65.7° (2022)
14	82.2°	70.5°	42%	86.9° (1989)	63.7° (1969)
15	81.9°	70.5°	47%	87.3° (1989)	64° (1966)
16	81.7°	70.5°	45%	87.1° (2024)	65.1° (1964)
17	82.2°	70.5°	30%	87.8° (2024)	64.6° (1996)
18	82°	70.3°	30%	86.9° (2024)	64° (1996)
19	82°	70.3°	35%	86.7° (2025)	64.4° (1984)
20	82.2°	70.3°	42%	87.1° (1997)	63.7° (2023)
21	82°	70.3°	25%	87.4° (2009)	64.4° (2023)
22	82.2°	70.3°	38%	86.2° (2009)	63.5° (1964)
23	82.2°	70.3°	32%	85.8° (2020)	64.8° (1991)
24	81.9°	70.3°	47%	86° (1997)	63.1° (2010)
25	81.9°	70.3°	37%	86.2° (2021)	64° (2010)
26	81.9°	70°	38%	85.8° (1995)	61.7° (1979)
27	82.2°	69.8°	42%	87.1° (1995)	62.6° (2025)
28	81.7°	69.6°	35%	88.9° (2021)	56.7° (2025)
29	81.7°	69.4°	23%	88.7° (2021)	59.7° (2025)
30	81.7°	69.4°	47%	87.3° (2021)	60.1° (2024)
31	81.7°	69.8°	35%	86.9° (2021)	65.3° (1962)