Guaynabo Weather History Puerto Rico, United States of America

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Daily and hourly data from 1 Jan 2009 onwards.
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Sun 31 Aug, 2025 Weather in Guaynabo

Sunrise: 06:10 AM Sunset: 06:39 PM	Moonrise: 01:10 PM Moonset: No moonset	Max: 31.6 °c	Min: 25.4 °c	Avg: 28.1 °c	Precip: 7.90 mm	Max Wind: 17.6 kph

	Sun 31 0:00 am	Sun 31 3:00 am	Sun 31 6:00 am	Sun 31 9:00 am	Sun 31 12:00 pm	Sun 31 3:00 pm	Sun 31 6:00 pm	Sun 31 9:00 pm
Icon
Temp	26.1°c	25.6°c	26.4°c	29.4°c	31.4°c	30.6°c	28.5°c	27.2°c
Wind	6.8 kmph	7.2 kmph	5.4 kmph	11.5 kmph	16.6 kmph	16.9 kmph	15.8 kmph	10.1 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	1.30 mm	1.30 mm
Cloud	27%	60%	72%	59%	66%	73%	55%	74%
Humidity	87%	89%	91%	77%	64%	70%	83%	91%
Pressure	1016 mb	1015 mb	1016 mb	1016 mb	1016 mb	1015 mb	1015 mb	1016 mb

Guaynabo Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	27°C / 81°F	22°C / 72°F	24°C / 76°F	181 hours	39.06 mm / 1.54 In	4 days	1017 mb / 31 In
February	27°C / 81°F	22°C / 72°F	24°C / 76°F	171 hours	47.58 mm / 1.87 In	4 days	1017 mb / 30 In
March	28°C / 82°F	22°C / 72°F	25°C / 76°F	188 hours	70.50 mm / 2.78 In	6 days	1016 mb / 30 In
April	29°C / 83°F	23°C / 74°F	25°C / 78°F	183 hours	83.97 mm / 3.31 In	7 days	1015 mb / 30 In
May	29°C / 85°F	24°C / 75°F	26°C / 79°F	151 hours	132.25 mm / 5.21 In	12 days	1015 mb / 30 In
June	30°C / 86°F	25°C / 77°F	27°C / 81°F	173 hours	68.16 mm / 2.68 In	9 days	1016 mb / 30 In
July	30°C / 86°F	25°C / 78°F	27°C / 81°F	157 hours	81.86 mm / 3.22 In	11 days	1016 mb / 30 In
August	30°C / 87°F	26°C / 78°F	28°C / 82°F	169 hours	104.59 mm / 4.12 In	13 days	1015 mb / 30 In
September	30°C / 87°F	26°C / 78°F	28°C / 82°F	174 hours	161.56 mm / 6.36 In	16 days	1013 mb / 30 In
October	30°C / 86°F	25°C / 77°F	27°C / 81°F	175 hours	121.84 mm / 4.80 In	15 days	1013 mb / 30 In
November	29°C / 83°F	24°C / 76°F	26°C / 79°F	145 hours	135.39 mm / 5.33 In	12 days	1013 mb / 30 In
December	27°C / 81°F	23°C / 74°F	25°C / 77°F	163 hours	70.32 mm / 2.77 In	6 days	1015 mb / 30 In

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