Ostional weather in December (Guanacaste, Costa Rica)

Is Ostional a good destination in December, weather-wise? See what weather conditions to anticipate this month with our guide.

Temperatures

During December, Ostional usually has very high temperatures and moderate rainfall. Daytime temperatures generally peak at 30°C, but after sunset, they often decrease to around 24°C. Keep in mind that temperatures can exceed these averages. Dress for the heat and stay hydrated, especially during peak sun hours.

Precipitation

Ostional in December usually receives moderate rainfall, averaging around 35 mm for the month. Typically around 10 days days of rainfall are expected.

Should you favor a climate that's both dry and comfortably warm January, February and March typically offer the most agreeable circumstances. On the other hand, May, June, July, August, September and October tend to be characterized by conditions that may not be as optimal.

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

 

Ostional, monthly averages in December

Min Temperature 24°C  

Max Temperature 30°C  

Chance of Rain 34%  

Precipitation 35 mm  

Rainy days 10 days  

Where to go in Costa Rica in December

Find out more about the weather in Costa Rica and which places have the best travel 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 this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

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

Cycling

8/10

Walking

8/10

Camping

10/10

Outdoor sports

8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Ostional.

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 travel conditions. Find out where to go with our weather planner.