Weather in Belo Horizonte in October
Brazil · 20-year averages, October
Shoulder season. October sits in between. You will get good days and you will lose some. Highs average 30.4 °C, lows 16.8 °C, and rain falls on 13 days — nothing in the month is working against you.
October ranks 12 of 12 — near the bottom of Belo Horizonte's year. July is the month that works, and the swing between the two is 38 points, which is a different holiday rather than a slightly better one.
Rain on 13 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 30.4 °C days and 16.8 °C nights; the spread matters more here than any single number.
What the averages hide
Averages flatten a month, and this one hides a few things: 18 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest October day reached 38.4 °C and the coldest night fell to 9 °C, and the wettest single day dropped 40 mm — roughly 45% of the month's rain in one day.
October is moderately variable: 37 mm in the driest year against 215 mm in the wettest, around an average of 88 mm. Roughly two Octobers in three land near that average, and the third does something else entirely.
Wind is light at 10 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 64%.
How October sits in the year
Temperatures hold steady either side: 30.1 °C in September, 30.4 here, 27.9 in November. Nothing about the timing within the month matters much. Rain is the thing that moves: November brings 8 days more of it, so the earlier half of a flexible trip is the safer half.
Daylight in October
12.5 hours of daylight, gaining 0.6 hours across the month. That is between Belo Horizonte's extremes of 13.3 and 10.9 hours, so days are long enough not to constrain the plan.
An inland climate
Despite being inland, the year stays fairly even: 18 °C between the year's warmest afternoons and coldest nights. At 888 m the air is thin enough to matter — sun that burns faster than the temperature suggests, and nights that cool off quickly.
How busy it gets
Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
October in Belo Horizonte versus nearby
If Belo Horizonte is one option among several, the nearby comparison is worth making. Rio de Janeiro is a better bet in October — 3.3 °C cooler, the same number of rain days. São Paulo is close enough to be a coin toss — 2.4 °C cooler, 2 days more rain.
So: October is a compromise. July is 38 points better and is what Belo Horizonte is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Belo Horizonte
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 27 | 18.3 | 20 | 223 | 83 | 13.2 | 62 |
| February | 27 | 18 | 16 | 132 | 83 | 12.8 | 65 |
| March | 26.7 | 17.9 | 18 | 153 | 84 | 12.2 | 61 |
| April | 26.4 | 16.5 | 10 | 53 | 81 | 11.7 | 82 |
| May | 25.6 | 14 | 5 | 27 | 75 | 11.2 | 92 |
| June | 25.5 | 13 | 2 | 11 | 72 | 10.9 | 97 |
| July | 26 | 12.4 | 1 | 7 | 66 | 11 | 98 |
| August | 27.9 | 13.2 | 3 | 18 | 61 | 11.4 | 90 |
| September | 30.1 | 14.9 | 6 | 42 | 59 | 12 | 75 |
| October | 30.4 | 16.8 | 13 | 88 | 64 | 12.5 | 60 |
| November | 27.9 | 17.5 | 21 | 190 | 76 | 13 | 61 |
| December | 26.9 | 18.2 | 24 | 266 | 83 | 13.3 | 62 |
See all twelve months in Belo Horizonte, or where else to go in October.
Planning the rest of the trip
- Flight time to Belo Horizonte how long you are actually in the air
- Belo Horizonte time zone and the difference from home
- Days until your trip count down to the departure date