Castanhal Weather in January

During January, Castanhal experiences very high daytime temperatures of 32°C (90°F) and cooler nights around 23°C (73°F). January sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in Castanhal in January

Castanhal is in the rainy season in January, with rain on around 30 days and an average of 258 mm (10 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Castanhal in January

January in Castanhal brings very high temperatures, with highs of 32°C (90°F) and nights around 23°C (73°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Castanhal in January

The area enjoys a balanced 133 hours of sunlight, ensuring it's neither too rainy nor too sunny.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Castanhal. Our weather planner can help you explore destinations with more pleasant weather conditions.