Belém in December
In December, Belém averages 31°C (87°F) during the day and 24°C (76°F) at night, with frequent rain — about 26 days of the month see precipitation (175 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
December is one of the wetter and less comfortable months in Belém. If your dates are flexible, consider a different time of year.
How December compares to the rest of the year in Belém
December is in the middle of the year for warmth in Belém (5th of 12) and moderately rainy compared to the rest of the year (9th of 12). Daytime temperature matches the city's annual average. December runs 1°C cooler than November (32°C) and cools 1°C in January (29°C).
December sunrise & sunset in Belém
Times shown for Belém local time (America/Belem), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in Belém — December
Golden-hour and blue-hour windows for the 15th of December, in Belém's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Belém in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (Shoulder) and Belém's popularity.
Crowds & pricing — December in Belém
Belém is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — December in Belém
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Belém — December
Belém's sea temperature barely shifts through the year — within 1.0°C of itself, month to month.
Belém in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 29°C / 85°F | 24°C / 75°F | 277 mm | 31 | — |
| February | 29°C / 84°F | 24°C / 75°F | 353 mm | 28 | — |
| March | 29°C / 84°F | 24°C / 75°F | 468 mm | 31 | — |
| April | 29°C / 84°F | 24°C / 75°F | 464 mm | 30 | — |
| May | 30°C / 86°F | 24°C / 76°F | 274 mm | 31 | — |
| June | 30°C / 86°F | 24°C / 75°F | 134 mm | 29 | — |
| July | 31°C / 87°F | 24°C / 75°F | 94 mm | 26 | — |
| August | 32°C / 89°F | 24°C / 75°F | 46 mm | 24 | — |
| September | 32°C / 90°F | 24°C / 75°F | 45 mm | 24 | — |
| October | 32°C / 90°F | 24°C / 76°F | 61 mm | 26 | — |
| November | 32°C / 89°F | 25°C / 76°F | 89 mm | 23 | — |
| December | 31°C / 87°F | 24°C / 76°F | 175 mm | 26 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Belém in December →
Frequently asked questions
How hot is Belém in December?
In December, Belém averages a high of 31°C (87°F) and a low of 24°C (76°F) — generally hot.
Does it rain a lot in Belém in December?
December is quite rainy in Belém, with about 26 rainy days on average.
Is December a good time to visit Belém?
December is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Belém in December?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full December packing list for Belém for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.