Rio Grande Weather in December

December in Rio Grande averages 28°C (82°F) during the day and 24°C (75°F) at night. Quite a bit of rainfall is typical this month, with around 78 mm (3.1 in) on average. An umbrella is a good idea.

Rainfall in Rio Grande in December

Rain is expected on roughly 21 days, totalling around 78 mm (3.1 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Rio Grande in December

The temperature in Rio Grande in December is excellent. Daytime highs reach 28°C (82°F), with nights dropping to 24°C (75°F). This kind of day-to-night contrast is typical for this time of year. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Rio Grande in December

The days are predominantly sunny, with an estimated total of around 216 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Rio Grande in December

Average wind speeds reach 3 m/s (6 knots) in December, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in December

With water at 27°C (81°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period, it feels comfortable straight away.

If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Rio Grande.