San José Weather in December

San José in December sees high daytime temperatures of 24°C (75°F) and nighttime lows of 10°C (50°F). Rainfall is fairly high this month at around 120 mm (4.7 in), so pack a rain jacket to stay dry.

Rainfall in San José in December

You can typically expect 6 days of rain this month, averaging around 120 mm (4.7 in). Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.

Temperature in San José in December

In December, expect high temperatures in San José, with highs of 24°C (75°F) and lows of 10°C (50°F) at night. Experience the summer season in December. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in San José in December

Enjoy a sunny month with about 302 hours of sunshine, the clear skies make San José even more beautiful.

If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.

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• January
• February
• March
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• May
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• September
• October
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• December

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

San José Temperature in December

Min Temperature 10°C (50°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 20%  

Precipitation 120 mm (4.7 in)  

Rainy days 6 days  

Humidity 47% *  

Sunshine 302 hours *  

Percentage Sunshine 64% *  

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

What to Wear in San José in December

For San José 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. 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 José in December

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

3/10

Outdoor sports

9/10

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 José's climate page.

More climate data for San José

Temperature Rainfall Sunshine Humidity

See the full San José climate overview or explore weather in Argentina.