Santa Rosa Weather in December

December in Santa Rosa sees daytime temperatures around 31°C (88°F) and lows of 19°C (66°F) at night. With around 135 mm (5.3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Santa Rosa in December

Typically around 8 days of rainfall are expected, averaging 135 mm (5.3 in) for the month. 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 Santa Rosa in December

December in Santa Rosa brings very high temperatures, with highs of 31°C (88°F) and nights around 19°C (66°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Santa Rosa in December

With approximately 243 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

December in Santa Rosa can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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• January
• February
• March
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• May
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• September
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For a detailed overview over the year and the best time to visit Argentina, check out our Santa Rosa's climate page.

Santa Rosa Temperature in December

Min Temperature 19°C (66°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 28%  

Precipitation 135 mm (5.3 in)  

Rainy days 8 days  

Humidity 70% *  

Sunshine 243 hours *  

Percentage Sunshine 54% *  

* Data from: Santa Fe, Argentina (41 KM, 25 Miles).

What to Wear in Santa Rosa 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Santa Rosa 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 Santa Rosa's climate page.

More climate data for Santa Rosa

Temperature Rainfall Sunshine Humidity

See the full Santa Rosa climate overview or explore weather in Argentina.