When to go · Tonantins
Tonantins in December
Avoid month. Listed as a month to avoid: Feb–May (heaviest rain); late Nov–early Dec unless you want the Pirarucu Festival and book weeks ahead.
Key facts
- Verdict
- Avoid
- Temperature
- 31°C (88°F)88°F (31°C) / 23°C (73°F)73°F (23°C)
- average high / low
- Rain days
- 21
- Crowds
- High
- Brazil overall
- Prices
- High
- Brazil overall
Verdict
Listed as a month to avoid: Feb–May (heaviest rain); late Nov–early Dec unless you want the Pirarucu Festival and book weeks ahead.
Is another month better than December?
December is rated avoid. These months rate higher:
- JuneGreatInside Tonantins's best window: Jun–Nov (drier, easier river travel).
- JulyGreatInside Tonantins's best window: Jun–Nov (drier, easier river travel).
- AugustGreatInside Tonantins's best window: Jun–Nov (drier, easier river travel).
- SeptemberGreatInside Tonantins's best window: Jun–Nov (drier, easier river travel).
Weather in December
- TonantinsHighs around 31 °C (88 °F), lows around 23 °C (73 °F), rain on about 21 daysHighs around 88 °F (31 °C), lows around 73 °F (23 °C), rain on about 21 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 Tonantins, side by side.
Verdict
Dec: Avoid
Jun: Great (better)
Daytime high
Dec: 31 °C (88 °F)88 °F (31 °C)
Jun: 31 °C (88 °F)88 °F (31 °C)
Night low
Dec: 23 °C (73 °F)73 °F (23 °C)
Jun: 22 °C (72 °F)72 °F (22 °C)
Rain days
Dec: 21
Jun: 15 (better)
Crowds
Dec: High
Jun: Medium
Prices
Dec: High
Jun: Medium
Festivals listed
Dec: 1
Jun: 1
December: Listed as a month to avoid: Feb–May (heaviest rain); late Nov–early Dec unless you want the Pirarucu Festival and book weeks ahead.
June: Inside Tonantins's best window: Jun–Nov (drier, easier river travel).
Tonantins: 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