Weekly note
Belém
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Photo by Cayambe, CC BY-SA 3.0, via Wikimedia Commons.

The numbers

Daily high31°C
Nightly low24°C
Feels like, afternoon36°C
Rainy days, 1 mm or more20 · 189 mm
Humidity84%
Sunshine9.7 h/day
Daylight12.2 h/day
Days over 35°C0
Crowds80 / 100, higher is quieter

Ten-year averages for this calendar month. 20 rainy days, as the weather station at Belem (4 km away) counts them: its December average over 8 years, 2017–2025 (WMO 82191). A rainy day is one with at least 1 mm of rain.

Weather read at the old centre, by the river, 9 km from the airport (BEL): ten years of ERA5 and ERA5-Land reanalysis, through Open-Meteo's open data.

How busy it gets

December: quieter than usual. Busiest in January.

Public holidays in December

Holidays crowd a place out; they count toward the crowd score above.

Belém in pictures

What to pack

  • Summer clothes by day, highs around 31°C.
  • Rain gear you will actually use: about 20 rainy days and 189 mm.
  • Sun protection: about 10 hours of sunshine a day.
  • Humidity averages 84%; breathable fabrics dry faster.

Each line is a threshold over the ten-year figures above, not advice from anywhere else.

Before you go

Type C plugs at 127 / 220 V. Drives on the right. The currency is the Brazilian real. UK Foreign Office: avoid all but essential travel to parts. Everything for Brazil: cost of living, languages, emergency numbers and health.

On arrival in Belém: the apps, paying, getting around, tipping and the emergency numbers.

December elsewhere

In December from

The other months at Belém

← November · All twelve months at Belém · January →

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