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Santarém in December sees very high daytime temperatures of 32°C (90°F) and nighttime lows of 26°C (79°F). As part of the rainy season, showers are frequent and often heavy. Budget around 230 mm (9.1 in) of rainfall for the month.
December in Santarém 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.
Pick a month to see the average temperature, rainfall and sunshine in Santarém - and find the best time to visit.
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Santarém climate overview or explore weather in Brazil.
Where to go in December - average daytime high across popular destinations.
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