Weather in Guaynabo in March
Guaynabo, Puerto Rico averages a high of 29°C (84.2°F) and low of 21°C (69.8°F) in March, with 13 rain days and 11.1 hours of daily sunshine. Travel score: 78.7/100 (Good). The best time to visit Guaynabo is February.
High
29°C84°F
Low
21°C70°F
🌧️
13
rain days
☀️
11.1
hrs/day sunshine
💧
75%
humidity
79— Good
March in Guaynabo is hot and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Guaynabo?
How much does it rain in Guaynabo in March?
Guaynabo receives an average of 56mm of rainfall across 13 rainy days in March. The annual total is 1206mm.
What should I pack for Guaynabo in March?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (13 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to Puerto Rico in March?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31