Belo Horizonte weather in December
December in Belo Horizonte: hot, soaked, with clean air — fine if you can take 20 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#11 of 12 months in Belo Horizonte · #797 of 1413 destinations to visit in December · comfort 67/100 (tier C)
- Days
- 28°C
- Nights
- 19°C
- Wet days
- 20
- Sun
- 9.6 h
- Humidity
- 77%
- Daylight
- 13 h

Traveller notes on Belo Horizonte in December
Other months in Belo Horizonte
Forum posters describe December and January as the middle of Brazilian summer and squarely within the country's rainy season, with Belo Horizonte specifically described by posters as usually running cooler than Rio de Janeiro at the same time of year. Posters describe Belo Horizonte overall as a smaller, more tranquil and noticeably less touristed city than Rio, with a relaxed, almost European feel that posters consistently rate as a real draw independent of the weather. Given the limited destination-specific granular detail for January, this note leans on that broader seasonal cue: expect warm, humid, rain-prone conditions typical of Brazilian summer, tempered somewhat by Belo Horizonte's inland, higher-elevation setting relative to the coast. Posters generally rate January as workable for a Belo Horizonte visit, warm and occasionally rainy rather than oppressively hot.
Forum posters call July/August genuinely ideal in Belo Horizonte - one trip report describes the weather as flatly 'perfect,' 24-26C with cooler evenings needing only a very light jacket, and the city running noticeably cooler than Brazil's coastal destinations at the same time of year. The one scheduling caveat: July is winter school vacation nationwide, so domestic travel picks up across all of Brazil's tourist spots, Belo Horizonte included. Posters consistently describe the city itself as smaller, safer and far less touristy than Rio, with a relaxed, almost European feel that makes it an easy, low-pressure winter destination.
Add your own note from Belo Horizonte's card on the map.
Belo Horizonte climate normals — December
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Belo Horizonte in December
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.
Peak crowdsChristmas and Réveillon, Summer holidays in Brazil, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Belo Horizonte's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherBelo Horizonte's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Belo Horizonte in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Holiday
Christmas and Réveillon
24 Dec – 1 JanChristmas & New YearClosuresCrowdedChristmas Day and New Year's Day are national holidays: many shops, restaurants and attractions close on both, a good share of residents leave town in the week between, and New Year's Eve, Réveillon, brings fireworks and crowds dressed in white. Source ↗
- Season
Wet season
MonsoonRisk20 rainy days and about 205 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Where is Belo Horizonte?
Belo Horizonte in December — FAQ
- Is December a good time to visit Belo Horizonte?
- December in Belo Horizonte: hot, soaked, with clean air — fine if you can take 20 rainy days. It ranks #11 of 12 months for Belo Horizonte on SeasonMap's comfort score (67/100).
- What is the weather like in Belo Horizonte in December?
- In December, Belo Horizonte averages a daily high of 28.4°C and a low of 19.3°C, with about 205.4 mm of rain over roughly 20.1 rainy days.
- What is the air quality in Belo Horizonte in December?
- Belo Horizonte has a mean US Air Quality Index of about 40 in December.