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.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Argentina, check out our Río Gallegos's climate page.

Río Gallegos Temperature in December

Min Temperature 7°C (45°F)  

Max Temperature 19°C (66°F)  

Water Temperature 9°C (48°F)  

Chance of Rain 30%  

Precipitation 53 mm (2.1 in)  

Rainy days 9 days  

Humidity 52%  

Windspeed 9 m/s (17 knots)  

Sunshine 127 hours  

Percentage Sunshine 23%  

What to Wear in Río Gallegos in December

For Río Gallegos in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 9°C (48°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Río Gallegos in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Argentina, check out our Río Gallegos's climate page.

More climate data for Río Gallegos

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Río Gallegos climate overview or explore weather in Argentina.