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Chapada Diamantina, Brazil · Alpine mountain climate

Chapada Diamantina in December: go or not?

Good time. Chapada Diamantina in December gets 7.8/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 12.45°S · 41.42°W
⚡ This month's verdict
Go for it
Chapada Diamantina · December
7.8
19–29°
Temperature
50%
Rain
7h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : Joao Tzanno via Unsplash
The month in detail

What to expect in December

Off-season for skiing Chapada Diamantina — lifts are closed. Consider hiking, mountain biking or summer activities at altitude. With 50.0% of rainy days, always have indoor alternatives planned.

December ranks 2 out of 12 months in Chapada Diamantina. Compared to November: 8 pts fewer rainy days, +0.7h of sun per day.

This month's conditions

What it's like in December

UV index
9 · very high
protection essential
Feels like
muggy at times
17°
Daylight
12.7h of daylight
Air quality
good
AQI 25
Compare

Is December the right month?

The best month in Chapada Diamantina is October (7.9/10), 0.1 pt higher than December.

See October →See all 12 months →
Context

Our verdict

Chapada Diamantina, national park at the heart of Brazilian nordeste in the state of Bahia : 1520 km² of plateaus and canyons, former diamond extraction region since the 19th century. One of the most famous hiking sites in Brazil.

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Chapada Diamantina

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Brazil

🗣️LanguagePortuguese
💶CurrencyBrazilian Real (R$)
🚗DrivingRight-hand
🛡️Safety Very safe · 1/5
💰Cost of living Cheap · 2/5

🌡️ Climate

🌍Climate typeAlpine mountain climate
📈Climate trend Stable
🔥Hottest monthDecember · 29°C
❄️Coolest monthJuly · 23°C
🌧️Rainiest month April · 63%

🏝️ Tropical stay

🌞Dry season
🌧️Wet season
🌀Cyclones None (equator)
Location

Where is Chapada Diamantina ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Brazil
Alpine mountain climate climate with a 7.9 → 7.4 gap between best and worst month. 10 years of ERA5 data to choose by project.
12.45°S · 41.42°W
Questions

Frequently asked questions

When is the best time to visit Chapada Diamantina?
It depends on the activity. For skiing: March (ski score 1.2/10). For hiking/summer: July (6.6/10, 23.0°C).
Can you ski in Chapada Diamantina in winter?
Yes, it's peak ski season. Average ski score December–February: 1.1/10. Cold temperatures (28°C max in January) and frequent snowfall.
Is it warm in Chapada Diamantina in summer?
In July, temperatures average 23.0°C. Best period for hiking and outdoor activities.
What is the wettest month in Chapada Diamantina?
December is the wettest month with December has the lowest climate score of the year.
Do you need sun protection in Chapada Diamantina in December?
The average UV index reaches 9 in December in Chapada Diamantina (very high), with about 12.7h of daylight. Protection essential.