Castanhal Weather in December

December in Castanhal brings very high temperatures around 34°C (93°F) during the day, dropping to 24°C (75°F) at night, with quite a bit of rainfall expected, averaging around 116 mm (4.6 in) for the month.

Rainfall in Castanhal in December

Rain is expected on roughly 27 days, totalling around 116 mm (4.6 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Castanhal in December

Daytime temperatures in Castanhal reach 34°C (93°F) in December, dropping to 24°C (75°F) at night. It's usually most comfortable outside during the morning and later in the day. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Castanhal in December

The area enjoys a balanced 157 hours of sunlight, ensuring it's neither too overcast nor too sunny.

December in Castanhal has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Castanhal's climate page.

Castanhal Temperature in December

Min Temperature 24°C (75°F)  

Max Temperature 34°C (93°F)  

Chance of Rain 90%  

Precipitation 116 mm (4.6 in)  

Rainy days 27 days  

Humidity 83% *  

Sunshine 157 hours *  

Percentage Sunshine *  

* Data from: Belém, Brazil (62 KM, 39 Miles).

What to Wear in Castanhal in December

Hot weather in December means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Castanhal in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Castanhal's climate page.

More climate data for Castanhal

Temperature Rainfall Sunshine Humidity

See the full Castanhal climate overview or explore weather in Brazil.