Belém weather by month
The best time to visit Belém is August to October — 76/100 in September, 32°C and 7 rainy days. The best season is the dry season, June to December (71/100 on average).
The worst month is March at 45/100 — sweltering, soaked, clean air. See March →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Brazil →
Best season: June to December (71/100 on average) · worst March (45/100)
- Days
- 32°C
- Nights
- 24°C
- Wet days
- 7
- Sun
- 11.3 h
- Humidity
- 74%
- Daylight
- 12 h

Belém, month by month
Comfort score out of 100 for the kind of trip Belém is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Belém through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- January
- Belem's birthday10–12 Jan (usually)Festival
- Rain and spring-tide flooding15 Jan – 30 Apr (usually)Hazard
- February
- Carnaval week14–18 FebFestival
- June
- Arrastões do Pavulagem11 Jun – 5 JulFestival
- Amazonian summer15 Jun – 30 Nov (usually)Season
- August
- Açaí harvest1 Aug – 15 Dec (usually)Season
- October
- Círio de Nazaré10–26 OctFestival
- December
- Christmas and Réveillon24 Dec – 1 JanHoliday
Crowds in Belém in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 2 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on Belém
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters describe January as the middle of the Amazon region's hot, wet season, with heavy rain typical, usually falling in the afternoon and bringing a bit of relief from the heat - posters are consistent that a full day of nonstop rain is genuinely unusual, with the sun more likely than not to appear at some point. Posters describe January conditions in Belém specifically as a tough climate overall, recommending the air-conditioned harbor development area, complete with ice cream, as a real relief option when the heat and humidity become too much. Posters generally describe Brazilian January more broadly as peak summer and rainy season, hot enough that the rain itself often comes as a welcome cooldown rather than a disruption. Posters generally rate January as hot, wet and genuinely demanding, but manageable with realistic expectations for a Belém visit.
Forum posters describe Belem as a worthwhile stop for its distinctive Amazonian cuisine, riverside markets, historic churches and lively waterfront docks, often paired with a 3-4 day side trip further into the surrounding region. As an equatorial Amazon city rather than a beach destination in the classic Brazilian sense, posters don't frame July here around 'beach weather' comparisons the way they do for Rio or the Northeast coast - instead the draw is culture, food and river life regardless of the specific month, with genuinely hot, humid conditions and a real chance of rain being a constant backdrop rather than a season-specific concern.
Add your own note from Belém's card on the map.