San José weather in December (San José, Costa Rica)

Looking to travel to San José in December? Check out this comprehensive weather guide.

In December, San José generally has high temperatures and high rainfall. Throughout the day, temperatures typically settle at around 24°C. But by evening, they drop to around 16°C.

San José in December usually receives high rainfall, averaging around 150 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 16 days of the month will see rainfall.

The city usually sees around 244 hours of sunlight, indicating many sunny days.

In case you lean more towards enjoying temperate temperatures and rain-free days January, February and March typically offer the most optimal weather. In contrast, May, June, July, August, September, October and November tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San José climate page with graphs.

 

San José, monthly averages in December

Min Temperature 16°C  

Max Temperature 24°C  

Chance of Rain 52%  

Precipitation 150 mm  

Rainy days 16 days  

Humidity 74%  

Sunshine 244 hours  

Percentage Sunshine  

Where to go in Costa Rica in December

Find out more about the weather in Costa Rica in December and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in San José in December?

For visitors traveling to San José, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in San José.

Our site offers climate and forecast data for every country in the world. Are you going to Costa Rica? On this website you can find historical weather averages for many cities in Costa Rica. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.