San Isidro weather in January (San José, Costa Rica)

How is the weather in San Isidro in January? Check out this comprehensive weather guide.

In January, San Isidro generally has high temperatures and high rainfall. Throughout the daytime, temperatures often hover around 24°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 16°C.

San Isidro in January usually receives high rainfall, averaging around 124 mm for the month. Rain is expected on roughly 12 days.

The city usually sees around 270 hours of sunlight, indicating many sunny days.

If you favor pleasant temperatures and minimal rainfall, January is one of the better months to visit San Isidro. January, February and March typically offer the most agreeable circumstances. On the other hand, May, June, July, August, September, October and November tend to be characterized by conditions that may not be as optimal.

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

 

San Isidro, monthly averages in January

Min Temperature 16°C  

Max Temperature 24°C  

Chance of Rain 40%  

Precipitation 124 mm  

Rainy days 12 days  

Humidity 80% *  

Sunshine 270 hours *  

Percentage Sunshine *  

* Data from: Quepos, Costa Rica (50 KM, 31 Miles).

Where to go in Costa Rica in January

Find out more about the weather in Costa Rica in January 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 this month?

For visitors traveling to San Isidro, 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 January.

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

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

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.