As of 16:17 AST

San Isidro, PR weather in January

88°

San Isidro, Sunday, 9 August, 16:17

Partly cloudy. Feels like 101°. High 90°, low 79°.

Pressure30.00 inHg

Wind16.2 mph E

Humidity70%

Visibility6.2 mi

Dew point77°

See detailed hourly forecast

In January, San Isidro, PR averages a high of 80.9° and a low of 71.6°. About 2.0 inches of precipitation fall over the month (16 wet days). The record high is 87.8° (2024) and the record low 63.7° (2000). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	80.6°	72.5°	58%	84° (1998)	68° (2009)
2	81°	72.3°	57%	86.9° (2010)	66.7° (1963)
3	81°	72.3°	38%	84.9° (1996)	66.7° (1976)
4	81°	72.1°	50%	84.7° (2010)	67.1° (1976)
5	81°	72°	62%	85.6° (2010)	67.5° (1976)
6	81°	71.8°	57%	84.9° (2001)	67.8° (2021)
7	81°	72°	53%	84.6° (2003)	68.2° (1963)
8	81°	71.8°	48%	86.4° (2003)	65.7° (1965)
9	80.8°	71.8°	70%	84.4° (1970)	67.5° (1985)
10	81°	71.8°	62%	85.6° (2003)	67.5° (1979)
11	80.8°	71.6°	63%	84.4° (2003)	66.6° (1965)
12	80.8°	71.4°	48%	84.2° (1969)	66.4° (1965)
13	80.8°	71.6°	55%	84.9° (1969)	67.1° (1985)
14	80.8°	71.6°	48%	84.9° (2003)	67.6° (2001)
15	80.8°	71.4°	55%	84.7° (2003)	67.8° (1975)
16	80.8°	71.4°	53%	84° (1981)	67.1° (1985)
17	81.1°	71.4°	40%	84.9° (1977)	67.3° (1977)
18	81°	71.2°	48%	85.3° (1995)	67.1° (1980)
19	81°	71.2°	57%	85.5° (1977)	63.9° (2017)
20	80.8°	71.2°	52%	87.8° (2024)	64.4° (2017)
21	81°	71.2°	45%	85.6° (2024)	63.7° (2000)
22	81°	71.4°	50%	84.4° (1995)	65.3° (2005)
23	81°	71.4°	52%	84.6° (2020)	65.5° (2005)
24	81.1°	71.4°	48%	85.6° (2003)	67.1° (1985)
25	81°	71.4°	60%	85.3° (1995)	68.5° (1985)
26	81.1°	71.6°	50%	85.5° (2007)	67.3° (1965)
27	81.1°	71.6°	50%	87.8° (1966)	67.8° (1965)
28	81°	71.2°	52%	86.2° (1979)	65.7° (1976)
29	81.1°	71.1°	48%	87.8° (1979)	64.8° (1976)
30	81°	70.9°	45%	86° (1979)	66.7° (1976)
31	80.8°	71.1°	48%	85.8° (1998)	66.4° (1968)