When to go · Serro
Serro in December
Mixed month. Outside the best window (Apr–Oct). Across Brazil: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.
Key facts
- Verdict
- Mixed
- Temperature
- 26°C (79°F)79°F (26°C) / 12°C (54°F)54°F (12°C)
- average high / low
- Rain days
- 11
- Crowds
- High
- Brazil overall
- Prices
- High
- Brazil overall
Verdict
Outside the best window (Apr–Oct). 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
- SerroHighs around 26 °C (79 °F), lows around 12 °C (54 °F), rain on about 11 daysHighs around 79 °F (26 °C), lows around 54 °F (12 °C), rain on about 11 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 Serro, side by side.
Verdict
Dec: Mixed
Apr: Great (better)
Daytime high
Dec: 26 °C (79 °F)79 °F (26 °C)
Apr: 26 °C (79 °F)79 °F (26 °C)
Night low
Dec: 12 °C (54 °F)54 °F (12 °C)
Apr: 12 °C (54 °F)54 °F (12 °C)
Rain days
Dec: 11
Apr: 9 (better)
Crowds
Dec: High
Apr: Medium
Prices
Dec: High
Apr: Medium
Festivals listed
Dec: 1
Apr: 0
December: Outside the best window (Apr–Oct). Across Brazil: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.
April: Inside Serro's best window: Apr–Oct.
Serro: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast