Guaynabo Weather Year-Round — Best Time to Visit
Guaynabo, Puerto Rico has hot weather year-round. The best time to visit is February (score: 79/100). Annual average high: 29.6°C, total rainfall: 1206mm.
When is the best time to visit Guaynabo?
79
February is the best month to visit Guaynabo with a travel score of 79/100 (Good).
Expect highs of 28.2°C, 12 rain days, and 10.9 hours of daily sunshine.
View February weather details →Travel Score by Month
76
Jan
79
Feb
79
Mar
75
Apr
70
May
71
Jun
68
Jul
68
Aug
68
Sep
67
Oct
67
Nov
73
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Guaynabo each month?
29.6°C
Avg High
22.6°C
Avg Low
1206mm
Annual Rain
How much rain does Guaynabo get?
Guaynabo receives 1206mm of rain annually. The wettest month is typically September with 173mm, while February is the driest.
What is the weather like each month in Guaynabo?
January
76
28°C
Low: 21°C
14 rain days
Good
February
Best time to visit79
28°C
Low: 21°C
12 rain days
Good
March
79
29°C
Low: 21°C
13 rain days
Good
April
75
30°C
Low: 22°C
16 rain days
Good
May
70
30°C
Low: 23°C
20 rain days
Good
June
71
31°C
Low: 24°C
19 rain days
Good
July
68
31°C
Low: 24°C
20 rain days
Good
August
68
31°C
Low: 24°C
22 rain days
Good
September
68
31°C
Low: 24°C
23 rain days
Good
October
67
30°C
Low: 24°C
23 rain days
Good
November
67
29°C
Low: 23°C
20 rain days
Good
December
73
28°C
Low: 22°C
16 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31