San Nicolás de los Arroyos Weather in December

December in San Nicolás de los Arroyos typically sees daytime highs of 30°C (86°F) and nighttime lows of 18°C (64°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in San Nicolás de los Arroyos in December

On average, there are about 8 days with rain during this month, averaging 110 mm (4.3 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in San Nicolás de los Arroyos in December

December in San Nicolás de los Arroyos brings typical temperatures with highs around 30°C (86°F) and lows of 18°C (64°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in San Nicolás de los Arroyos in December

The days are predominantly sunny, with an estimated total of around 278 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

December in San Nicolás de los Arroyos has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit Argentina, check out our San Nicolás de los Arroyos's climate page.

San Nicolás de los Arroyos Temperature in December

Min Temperature 18°C (64°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 28%  

Precipitation 110 mm (4.3 in)  

Rainy days 8 days  

Humidity 66% *  

Sunshine 278 hours *  

Percentage Sunshine 63% *  

* Data from: San Pedro, Argentina (63 KM, 39 Miles).

What to Wear in San Nicolás de los Arroyos in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in San Nicolás de los Arroyos in December

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 San Nicolás de los Arroyos's climate page.

More climate data for San Nicolás de los Arroyos

Temperature Rainfall Sunshine Humidity

See the full San Nicolás de los Arroyos climate overview or explore weather in Argentina.