When to go · Mercedes
Mercedes in December
Good month. Outside the best window (Mar–May, Sep–Nov). Across Uruguay: Summer begins; Christmas and New Year fill the coast.
Key facts
- Verdict
- Good
- Temperature
- 29°C (84°F)84°F (29°C) / 17°C (63°F)63°F (17°C)
- average high / low
- Rain days
- 6
- Crowds
- High
- Uruguay overall
- Prices
- High
- Uruguay overall
Verdict
Outside the best window (Mar–May, Sep–Nov). Across Uruguay: Summer begins; Christmas and New Year fill the coast.
Is another month better than December?
December is rated good. These months rate higher:
Weather in December
- MercedesHighs around 29 °C (84 °F), lows around 17 °C (63 °F), rain on about 6 daysHighs around 84 °F (29 °C), lows around 63 °F (17 °C), rain on about 6 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.
Family Day (Christmas) big impact
25 Dec · Uruguay
Most businesses closed.
Crowds and prices
- Crowds · Uruguay overall
- High
- Prices · Uruguay overall
- High
Uruguay overall: Summer begins; Christmas and New Year fill the coast.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Mercedes, side by side.
Verdict
Dec: Good
Mar: Great (better)
Daytime high
Dec: 29 °C (84 °F)84 °F (29 °C)
Mar: 27 °C (81 °F)81 °F (27 °C)
Night low
Dec: 17 °C (63 °F)63 °F (17 °C)
Mar: 16 °C (61 °F)61 °F (16 °C)
Rain days
Dec: 6
Mar: 6
Crowds
Dec: High
Mar: Medium
Prices
Dec: High
Mar: Medium
Festivals listed
Dec: 1
Mar: 1
December: Outside the best window (Mar–May, Sep–Nov). Across Uruguay: Summer begins; Christmas and New Year fill the coast.
March: Inside Mercedes's best window: Mar–May, Sep–Nov.
Mercedes: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.