Libertador General San Martín Weather in December

December in Libertador General San Martín typically sees daytime highs of 30°C (86°F) and nighttime lows of 19°C (66°F). December falls within the rainy season, so heavy rainfall is to be expected.

Rainfall in Libertador General San Martín in December

As part of the rainy season, Libertador General San Martín sees around 12 days of rain in December, with an average of 248 mm (9.8 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Libertador General San Martín in December

Libertador General San Martín in December gets highs of 30°C (86°F) during the day and drops to 19°C (66°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. It's the warmest month of the year on average, so summer clothing is the way to go.

Sunshine in Libertador General San Martín in December

Expect a lot of sunshine this month, with about 208 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Libertador General San Martín. Our weather planner can help you explore destinations with more pleasant weather conditions.

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 Libertador General San Martín's climate page.

Libertador General San Martín Temperature in December

Min Temperature 19°C (66°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 39%  

Precipitation 248 mm (9.8 in)  

Rainy days 12 days  

Humidity 68% *  

Sunshine 208 hours *  

Percentage Sunshine 54% *  

* Data from: San Salvador de Jujuy, Argentina (66 KM, 41 Miles).

What to Wear in Libertador General San Martín in December

Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Libertador General San Martín in December

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

Swimming

8/10

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 Libertador General San Martín's climate page.

More climate data for Libertador General San Martín

Temperature Rainfall Sunshine Humidity

See the full Libertador General San Martín climate overview or explore weather in Argentina.