As of 08:24 AST

San Lorenzo, PR weather in December

81°

San Lorenzo, Sunday, 9 August, 08:24

Heavy rain. Feels like 88°. High 90°, low 78°.

Pressure30.03 inHg

Wind3 mph E

Humidity84%

Visibility6.2 mi

Dew point76°

See detailed hourly forecast

In December, San Lorenzo, PR averages a high of 80.9° and a low of 71.2°. About 2.5 inches of precipitation fall over the month (18 wet days). The record high is 87.4° (2024) and the record low 61.2° (2025). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81.7°	71.8°	63%	86.4° (2024)	67.3° (2001)
2	81.7°	72°	67%	86.2° (2024)	68° (2020)
3	81.5°	72°	63%	84.7° (2024)	67.8° (2020)
4	81.1°	71.8°	72%	84.9° (1962)	67.3° (1996)
5	81.3°	72°	63%	85.5° (2024)	67.6° (1996)
6	81.1°	72°	62%	87.4° (2024)	68.5° (1996)
7	81.1°	71.6°	60%	86.9° (2024)	66.9° (1960)
8	81.1°	71.6°	57%	84.9° (2023)	67.8° (1960)
9	81°	71.6°	53%	84.9° (2024)	67.3° (2020)
10	80.8°	71.6°	58%	84.9° (1989)	66.7° (2022)
11	81°	71.6°	57%	84.2° (1989)	68.2° (1999)
12	81.1°	71.4°	52%	84.2° (1993)	66.9° (2022)
13	81°	71.4°	63%	84.6° (1962)	67.8° (1969)
14	81.1°	71.2°	58%	84.4° (2025)	67.3° (2024)
15	80.6°	71.2°	60%	85.5° (2025)	66° (1973)
16	80.6°	71.2°	62%	85.8° (2024)	67.5° (1974)
17	81°	71.2°	62%	84.7° (2024)	66.6° (1996)
18	80.8°	70.9°	48%	84.7° (1962)	66° (1996)
19	80.8°	70.9°	50%	84.6° (2025)	66.6° (1984)
20	80.8°	70.9°	60%	84.4° (1997)	66.6° (1984)
21	80.6°	70.9°	65%	84.2° (1995)	67.1° (1984)
22	80.8°	71.1°	58%	84.2° (1995)	65.5° (1964)
23	80.8°	71.1°	52%	83.8° (1989)	65.5° (1991)
24	80.6°	70.9°	52%	85.1° (1995)	64.9° (2010)
25	80.4°	70.9°	62%	84.7° (1995)	65.7° (1964)
26	80.8°	70.9°	63%	84.6° (2024)	64.6° (1964)
27	81°	70.5°	60%	85.3° (1976)	63.9° (2025)
28	80.2°	70.5°	53%	84.2° (1997)	61.2° (2025)
29	80.2°	70.5°	47%	83.8° (1997)	61.3° (2025)
30	80.2°	70.3°	52%	83.8° (2023)	62.8° (2025)
31	80.2°	70.3°	57%	84° (2025)	66.2° (1962)