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As of 04:26 AST

San Isidro, PR weather in December

81°Current weather

San Isidro, Sunday, 9 August, 04:26

Clear. Feels like 87°. High 91°, low 80°.

Pressure29.97 inHg
Wind8.1 mph E
Humidity80%
Visibility6.2 mi
Dew point74°

In December, San Isidro, PR averages a high of 81.4° and a low of 72.7°. About 2.5 inches of precipitation fall over the month (18 wet days). The record high is 87.8° (2023) and the record low 63.9° (1991). Normals are computed over the last 60 years.

DayHighLowChance of precip.Record highRecord low
182.2°73.2°63%86.7° (2024)68.9° (1969)
282°73.4°63%87.3° (2019)68.9° (1969)
382°73.2°62%86.9° (2024)69.6° (2010)
481.7°73.2°73%86.7° (1962)68.2° (2022)
581.9°73.2°60%86.4° (2024)69.1° (1996)
681.7°73.4°58%87.8° (2023)69.4° (1996)
781.7°73.2°55%85.6° (2023)70.2° (1980)
881.7°73.2°57%85.8° (2023)69.4° (2022)
981.5°73.2°53%85.6° (2024)68.5° (1982)
1081.3°72.9°58%86.2° (1989)67.3° (2022)
1181.7°73°55%86.4° (2025)68.7° (2022)
1281.9°72.9°52%86.9° (1993)68.4° (2018)
1381.3°72.7°63%85.5° (1989)68.2° (1969)
1481.7°72.5°57%86.4° (2025)68° (2022)
1581°72.5°62%86.5° (1997)66.2° (1973)
1681°72.5°60%85.3° (1968)66.4° (1966)
1781.5°72.7°63%85.6° (1993)67.8° (1996)
1881.3°72.5°47%85.6° (1962)66.4° (1982)
1981.3°72.5°48%85.1° (1997)67.1° (1982)
2081.3°72.5°55%86.2° (1995)67.3° (1984)
2181.3°72.5°62%86.2° (1995)68.7° (1966)
2281.3°72.3°58%85.3° (1995)67.3° (1964)
2381.3°72.5°50%85.3° (1989)66.6° (1964)
2481.3°72.3°47%86.9° (1995)63.9° (1991)
2581.1°72.1°60%85.6° (2019)66.9° (1964)
2681.3°72.3°62%85.6° (2024)65.7° (1964)
2781.5°72°57%86.5° (1976)66.9° (1976)
2880.6°72°55%85.8° (1997)66.2° (2025)
2980.8°72°48%85.8° (2000)66.4° (2025)
3080.8°72°50%85.1° (1997)66.7° (1974)
3180.8°72°55%84.7° (1997)67.6° (1962)

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