Beau Fixe
Río Grande

🇦🇷 Argentina · South America

Río Grande weather in December

Possible, with trade-offs

Afternoon
14.1 °C
Night
6.6 °C
Sea temperature
8.6 °C
Rainy days
13 days
Relative humidity
60 %

0% of days reached 25 °C over the last 10 years

📷 Max Parada · Pexels

Month by month

MonthAfternoonSeaRainVerdict
January14.8 °C9.9 °C13 daysPossible, with trade-offs
February14.8 °C10.6 °C11 daysPossible, with trade-offs
March12.4 °C10.3 °C12 daysPossible, with trade-offs
April9.6 °C9.2 °C10 daysUnfavourable season
May6.9 °C7.7 °C9 daysUnfavourable season
June4.2 °C6.3 °C7 daysUnfavourable season
July4 °C4.6 °C9 daysUnfavourable season
August5.5 °C3.8 °C9 daysUnfavourable season
September7.6 °C4 °C6 daysUnfavourable season
October10.3 °C5 °C8 daysUnfavourable season
November12.5 °C6.8 °C12 daysPossible, with trade-offs
December14.1 °C8.6 °C13 daysPossible, with trade-offs

Before you go

Three things to check once you have picked your dates.

Entry

Entry rules depend on your nationality and change often. Check them before booking.

Official entry requirements ↗

Safety

No specific restrictions

Usual precautions apply.

Official advice updated 7 May 2026

UK Foreign Office

Health

Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.

Health advice ↗

Beau Fixe is not a safety or health authority. These notes summarise public advisories and link to their source; only the competent authorities are authoritative. Alert levels: Foreign, Commonwealth & Development Office (gov.uk), Open Government Licence v3.0.

FAQ

Can you swim in Río Grande in December?

The sea averages 8.6°C in December — too cold for most swimmers.

How hot is Río Grande in December?

Expect 14.1°C in the afternoon and 6.6°C at night, averaged over the last 10 years.

Does it rain a lot in Río Grande in December?

Around 13 days with rain (≥ 1 mm) in the month — 40% of days.

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