When to go · Goiás
Goiás in December
Avoid month. Listed as a month to avoid: Dec–Mar (heavy rain, flash floods at waterfalls).
Key facts
- Verdict
- Avoid
- Temperature
- 30°C (86°F)86°F (30°C) / 20°C (68°F)68°F (20°C)
- average high / low
- Rain days
- 19
- Crowds
- High
- Brazil overall
- Prices
- High
- Brazil overall
Verdict
Listed as a month to avoid: Dec–Mar (heavy rain, flash floods at waterfalls).
Is another month better than December?
December is rated avoid. These months rate higher:
Weather in December
- GoiásHighs around 30 °C (86 °F), lows around 20 °C (68 °F), rain on about 19 daysHighs around 86 °F (30 °C), lows around 68 °F (20 °C), rain on about 19 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Christmas big impact
25 Dec · Brazil
Family holiday; summer travel peak starts.
Crowds and prices
- Crowds · Brazil overall
- High
- Prices · Brazil overall
- High
Brazil overall: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Goiás, side by side.
Verdict
Dec: Avoid
May: Great (better)
Daytime high
Dec: 30 °C (86 °F)86 °F (30 °C)
May: 30 °C (86 °F)86 °F (30 °C)
Night low
Dec: 20 °C (68 °F)68 °F (20 °C)
May: 17 °C (63 °F)63 °F (17 °C)
Rain days
Dec: 19
May: 4 (better)
Crowds
Dec: High
May: Low
Prices
Dec: High
May: Low
Festivals listed
Dec: 1
May: 0
December: Listed as a month to avoid: Dec–Mar (heavy rain, flash floods at waterfalls).
May: Inside Goiás's best window: May–Sep (dry, cooler).
Goiás: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast