When to go · São Carlos
São Carlos in December
Mixed month. Outside the best window (May–Oct (dry, mild temps)). Across Brazil: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.
Key facts
- Verdict
- Mixed
- Temperature
- 29°C (84°F)84°F (29°C) / 20°C (68°F)68°F (20°C)
- average high / low
- Rain days
- 14
- Crowds
- High
- Brazil overall
- Prices
- High
- Brazil overall
Verdict
Outside the best window (May–Oct (dry, mild temps)). Across Brazil: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.
Is another month better than December?
December is rated mixed. These months rate higher:
Weather in December
- São CarlosHighs around 29 °C (84 °F), lows around 20 °C (68 °F), rain on about 14 daysHighs around 84 °F (29 °C), lows around 68 °F (20 °C), rain on about 14 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 São Carlos, side by side.
Verdict
Dec: Mixed
May: Great (better)
Daytime high
Dec: 29 °C (84 °F)84 °F (29 °C)
May: 25 °C (77 °F)77 °F (25 °C)
Night low
Dec: 20 °C (68 °F)68 °F (20 °C)
May: 14 °C (57 °F)57 °F (14 °C)
Rain days
Dec: 14
May: 5 (better)
Crowds
Dec: High
May: Low
Prices
Dec: High
May: Low
Festivals listed
Dec: 1
May: 0
December: Outside the best window (May–Oct (dry, mild temps)). Across Brazil: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.
May: Inside São Carlos's best window: May–Oct (dry, mild temps).
São Carlos: figures are long-term averages from this guide, not a forecast.
What to pack
- A rain jacket or umbrella and shoes that dry fast