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Petrópolis
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Petrópolis in October

Short answer

In October, Petrópolis averages highs of 25 °C (77 °F) and lows of 15 °C (59 °F), with about 104 mm of rain spread over roughly 9 days. October has moderate rainfall, usually in quick showers that do not spoil the whole day. Crowds tend to be moderate this month.

Climate · INMET (updated 2026)
Where to stayCompare hotels and rates in Petrópolis on Booking.comSee hotels →
Temperature
25 / 15 °C
high / low
Rain
104 mm
9 days
Daylight
12h37
sunset at 17:56
Crowds
Moderate
1 public holiday

What to expect in Petrópolis in October

Myllena Vieira, editor at Visite
Editor's tip

October is spring in Petrópolis. In Brazil the seasons are the reverse of those in the Northern Hemisphere. Temperatures are pleasant, with highs of 25 °C (77 °F) and nights that still call for a light jacket. Crowds sit somewhere in the middle, with peaks on public holidays. Outside those dates, you can enjoy the place at an easy pace and spend less. Rain, when it comes, is usually brief and does not spoil the day.

Myllena Vieira · Editor at Visite
Crowds
Crowd level: moderate

Moderate crowds, with peaks on public holidays. Outside those dates, you can enjoy the place at a calmer pace.

Prices
Rates: moderate · ~R$ 303

Moderate prices outside public holidays, which push rates and crowds up. The average nightly rate for lodging in Petrópolis is around R$ 303 (Brazilian reais), depending on the date.

Tours and tickets

Things to do in Petrópolis in October

booking on Civitatis
Petrópolis to Teresópolis 3-Day Private Hiking Route

Petrópolis to Teresópolis 3-Day Private Hiking Route

On this 3-day trekking route from Petrópolis to Teresópolis, we’ll cross Serra dos Órgãos and reach Pico do Sino, perfect for high-mountain hiking lovers.

3 days
from US$ 1,105
Book →
See all activities in Petrópolis
Where to stay

Hotels in Petrópolis

In October, demand in Petrópolis is moderate: most hotels have room, but public holidays fill them up. Compare rates and book a few weeks ahead.

Hotel Vila Bavaria Petropolis in Petrópolis 8.6 ★★★ · 102 reviews Hotel Vila Bavaria Petropolis See on Booking → Hotel Solar do Imperio in Petrópolis 9.3 ★★★ · 10 reviews Hotel Solar do Imperio See on Booking → Hotel Caminhos de Itaipava in Petrópolis 8.8 ★★★★ · 22 reviews Hotel Caminhos de Itaipava See on Booking → Hotel Casablanca Imperial in Petrópolis 8.8 ★★★★ · 22 reviews Hotel Casablanca Imperial See on Booking →
See all hotels in Petrópolis

Rates change with the dates: confirm the price on Booking.com.

What happens in October

No major fixed festivals in October, but public holidays (Our Lady of Aparecida) bring more people to the destination.

Public holidays in October: Our Lady of Aparecida (12/10). Expect more people and higher prices around these dates.

What to pack in October

Light jacket for the evening · nights of 15 °C (59 °F) Light clothing for the day · highs of 25 °C (77 °F) Rain jacket or umbrella · 9 days of rain in the month Sunscreen and sunglasses · strong sun on the tours Quick-dry clothing · humidity of 81% Comfortable walking shoes · you will be on foot much of the day
Looking for better weather?

Where the weather is good in October

These destinations have the best weather comfort for October, scored with the same calculation of rain, heat and humidity. Tap to see what the month is like in each one.

Lençóis Maranhenses 79
Lençóis Maranhenses
Maranhão · see October →
Jericoacoara 76
Jericoacoara
Ceará · see October →
Fernando de Noronha 75
Fernando de Noronha
Pernambuco · see October →
Fortaleza 75
Fortaleza
Ceará · see October →
See all destinations by month

Torn between Petrópolis and another destination?

See Petrópolis next to the destinations that usually compete for the same trip: month-by-month weather, driving cost, ideal length of stay and travel style, side by side.

Petrópolis or Arraial do Cabo? Petrópolis or Búzios? Petrópolis or Paraty?
see all comparisons →

Questions about Petrópolis in October

What is the weather like in Petrópolis in October?
In October, Petrópolis averages highs of 25 °C (77 °F) and lows of 15 °C (59 °F), with about 104 mm of rain spread over roughly 9 days. October has moderate rainfall, usually in quick showers that do not spoil the whole day. Crowds tend to be moderate this month.
Does it rain a lot in Petrópolis in October?
In October, Petrópolis gets about 104 mm of rain spread over around 9 rainy days, in line with the average rainfall for the year. Rain tends to come in quick showers that do not ruin the day.
Is October high season in Petrópolis?
Crowds in October tend to be moderate. Moderate prices outside public holidays, which push rates and crowds up.
What is happening in Petrópolis in October?
No major fixed festivals in October, but public holidays (Our Lady of Aparecida) bring more people to the destination.
Does it usually rain all day in Petrópolis in October?
INMET's climate normals record the number of rainy days and the total millimeters, not the hours of each day, so they do not say how long the rain lasts. What they show for Petrópolis in October: 9 rainy days in a month of 31 days (about 29% of the days) and 104 mm over the month, which works out to an average of about 12 mm per rainy day. Compared with the rest of the year, October falls within the destination's average rainfall. Rain tends to come in showers, but it is smart to have an indoor backup plan.
What is the temperature in Petrópolis in October, and what should you pack?
According to INMET's climate normals, the average high in Petrópolis in October is 25 °C and the average low is 15 °C, with air humidity of around 81%. Compared with the rest of the year, the temperature in October is typical for the destination. For your suitcase, here is what those numbers call for: light jacket for the evening; light clothing for the day; rain jacket or umbrella.
Is Petrópolis worth visiting in October?
Good time to visit. On our weather comfort index, which weighs rain, heat and humidity from INMET's climate normals, October scores 63 out of 100 and ranks No. 7 among the 12 months. The most comfortable month is August (76) and the least comfortable is February (40). As for crowds, in October they tend to be moderate.
September see the full year November