Río Gallegos Weather in December

December in Río Gallegos brings pleasant temperatures around 19°C (66°F) during the day, dropping to 7°C (45°F) at night, with the most rainfall of the year.

Rainfall in Río Gallegos in December

Expect frequent showers this month, so make sure to have an umbrella to keep yourself dry. Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 53 mm (2.1 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Río Gallegos in December

If you're visiting Río Gallegos in December, expect highs of 19°C (66°F) and overnight lows around 7°C (45°F). December is known for being in the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Río Gallegos in December

The area enjoys a balanced 127 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in Río Gallegos in December

December has wind speeds averaging 9 m/s (17 knots). You can expect challenging conditions with winds that create significant resistance when walking and cause structural creaking. As an average, daily weather varies from very windy periods to potentially dangerous gusting conditions.

Average water temperature in December

The water temperature is only 9°C (48°F) this month, cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

Should you favor a climate that's both dry and comfortably warm, January typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.