Castanhal Weather in May

May in Castanhal averages 32°C (90°F) during the day and 23°C (73°F) at night. May is part of the rainy season, with around 272 mm (11 in) of rainfall and frequent showers.

Rainfall in Castanhal in May

Castanhal is in the rainy season in May, with rain on around 28 days and an average of 272 mm (11 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Castanhal in May

Temperatures in Castanhal in May top out at 32°C (90°F) and drop to 23°C (73°F) overnight. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 23°C (73°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Castanhal in May

The area enjoys a balanced 187 hours of sunlight, ensuring it's neither too rainy nor too sunny.

May in Castanhal has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.