As of 08:08 AST

Guaynabo, PR weather in May

81°

Guaynabo, Sunday, 9 August, 08:08

Partly cloudy. Feels like 88°. High 90°, low 79°.

Pressure30.03 inHg

Wind2 mph SE

Humidity88%

Visibility6.2 mi

Dew point77°

See detailed hourly forecast

In May, Guaynabo, PR averages a high of 86.4° and a low of 73.1°. About 4.2 inches of precipitation fall over the month (16 wet days). The record high is 95.7° (2020) and the record low 66.6° (2017). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	85.8°	71.8°	43%	93.2° (1995)	66.9° (1974)
2	85.8°	72°	48%	93.2° (1995)	67.6° (1974)
3	86°	72.3°	48%	93.9° (1995)	69.1° (1974)
4	86.2°	72.3°	43%	93° (2023)	69.6° (1962)
5	86.4°	72.3°	47%	91.4° (1975)	67.5° (1962)
6	86°	72.5°	53%	91.6° (2023)	69.4° (2021)
7	85.8°	72.5°	55%	92.7° (2023)	69.3° (1972)
8	85.5°	72.3°	62%	93° (2020)	69.1° (2021)
9	85.6°	72.7°	57%	94.1° (2020)	69.3° (2019)
10	86°	72.7°	58%	92.3° (2023)	70.2° (1975)
11	85.6°	72.7°	55%	93.6° (2023)	68° (1986)
12	86°	72.7°	53%	91.6° (1998)	66.6° (2017)
13	86°	72.9°	60%	92.5° (2020)	69.1° (2017)
14	86.2°	73°	47%	94.5° (2019)	68.7° (1970)
15	86.2°	73°	50%	93.4° (2019)	69.8° (1962)
16	86.4°	73°	53%	95.2° (2019)	69.1° (1962)
17	86.5°	73.2°	50%	93.6° (2023)	70.7° (2021)
18	86.7°	73.4°	53%	93.4° (2020)	70.5° (1971)
19	86.7°	73.4°	60%	93.6° (2021)	70.3° (1967)
20	86.7°	73.4°	53%	93.2° (2021)	71.1° (1983)
21	86.5°	73.6°	52%	93.2° (2020)	71.1° (2018)
22	86.7°	73.8°	60%	94.3° (2020)	70.9° (1996)
23	86.4°	73.9°	60%	94.1° (1990)	70.9° (1974)
24	87.1°	73.8°	48%	95.7° (2020)	71.2° (1974)
25	87.3°	73.8°	40%	92.3° (1996)	71.2° (1967)
26	87.3°	73.8°	50%	92.5° (2023)	70.5° (2022)
27	86.9°	73.9°	52%	94.8° (2020)	71.8° (2022)
28	86.9°	73.9°	60%	92.1° (2023)	70.3° (1974)
29	87.1°	73.9°	45%	91.6° (2020)	70.9° (1974)
30	86.9°	73.9°	53%	92.1° (2020)	70.7° (1986)
31	87.1°	74.1°	45%	92.7° (2020)	71.8° (2009)