As of 07:11 AST

Las Marías, PR weather in December

78°

Las Marías, Sunday, 9 August, 07:11

Clear. Feels like 79°. High 91°, low 78°.

Pressure30.00 inHg

Wind5 mph E

Humidity91%

Visibility6.2 mi

Dew point75°

See detailed hourly forecast

In December, Las Marías, PR averages a high of 83.3° and a low of 73.7°. About 1.2 inches of precipitation fall over the month (8 wet days). The record high is 91.8° (2024) and the record low 64.4° (2025). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.8°	74.3°	28%	91.8° (2024)	70.5° (2001)
2	83.8°	74.5°	33%	88.7° (2023)	70.2° (2025)
3	83.7°	74.5°	30%	88.5° (2024)	69.1° (2025)
4	83.5°	74.3°	28%	88.3° (2025)	69.3° (2022)
5	83.7°	74.5°	35%	88.5° (2025)	70° (2025)
6	83.7°	74.3°	33%	89.1° (2024)	68.9° (2020)
7	83.5°	74.3°	33%	88.7° (2024)	70° (2022)
8	83.7°	74.1°	22%	88.9° (2025)	67.5° (2025)
9	83.7°	74.1°	23%	89.2° (2023)	68.2° (2025)
10	83.3°	73.9°	23%	89.4° (2025)	67.8° (2022)
11	83.7°	73.9°	25%	88.9° (2025)	68.9° (2025)
12	83.7°	73.9°	27%	89.1° (2025)	65.5° (2018)
13	83.3°	73.8°	28%	90° (2025)	66.2° (2022)
14	83.5°	73.8°	22%	90.7° (2025)	67.6° (2022)
15	83.1°	73.8°	27%	87.3° (2018)	68.2° (2025)
16	82.9°	73.8°	30%	88.9° (2024)	67.5° (2025)
17	83.5°	73.6°	22%	89.1° (2024)	67.3° (2018)
18	83.3°	73.6°	15%	89.2° (2019)	69.3° (2018)
19	83.3°	73.6°	23%	88.7° (2019)	66.6° (2018)
20	83.3°	73.4°	25%	90.7° (2024)	67.6° (2018)
21	83.1°	73.6°	30%	86.2° (2015)	67.1° (2018)
22	83.1°	73.4°	27%	87.1° (2000)	66.4° (2018)
23	83.1°	73.4°	17%	86.9° (2015)	69.1° (1975)
24	83.1°	73.4°	25%	87.1° (2024)	68° (2022)
25	83.1°	73.4°	20%	86.9° (1997)	68.5° (2025)
26	83.1°	73°	20%	87.8° (2024)	67.6° (2025)
27	83.1°	73°	27%	87.3° (1997)	66.7° (2025)
28	82.9°	73.2°	22%	87.3° (1997)	65.7° (2025)
29	82.9°	73.2°	20%	87.8° (2015)	64.4° (2025)
30	82.8°	73°	20%	87.1° (2023)	66.9° (2025)
31	83.1°	73°	17%	87.4° (1963)	67.6° (2025)