Weather in Castanhal in May
Castanhal, Brazil averages a high of 29.6°C (85.3°F) and low of 23°C (73.4°F) in May, with 27 rain days and 9.3 hours of daily sunshine. Travel score: 65.7/100 (Good). The best time to visit Castanhal is October.
High
30°C85°F
Low
23°C73°F
🌧️
27
rain days
☀️
9.3
hrs/day sunshine
💧
88%
humidity
66— Good
May in Castanhal is hot and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Castanhal?
How much does it rain in Castanhal in May?
Castanhal receives an average of 280.8mm of rainfall across 27 rainy days in May. The annual total is 2277.2mm.
What should I pack for Castanhal in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧥
Waterproof jacket
Frequent rain expected (27 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting Brazil in May?
Don't miss any public holidays — check before you book!
Compare Castanhal
Popular comparisons:
How can I plan my trip to Castanhal?
What other cities are near Castanhal?
What are other popular cities in Brazil?
What is the weather like in other months in Castanhal?
Data based on 1994–2024 averages · Last updated: 2024-12-31