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

How is the weather in San José in January? This guide provides all the details you need.

In San José, January is characterized by high temperatures and moderate rainfall. Daytime temperatures hover around 24°C, while nights can cool down to about 15°C.

San José in January usually receives moderate rainfall, averaging around 83 mm for the month. When we look at the climate data from the last 30 years, we can expect around 12 days of rain.

The days are predominantly sunny, with an estimated total of around 283 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you're inclined towards comfortable temperatures and drier conditions, January is a prime time to visit San José. January, February and March typically offer the best circumstances. While May, June, July, August, September, October and November tend to showcase 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 January

Min TemperatureMin Temperature 15°C  
Max TemperatureMax Temperature 24°C  
Chance of RainChance of Rain 39%  
PrecipitationPrecipitation 83 mm  
Rainy daysRainy days 12 days  
HumidityHumidity 68%  
SunshineSunshine 283 hours  
Percentage SunshinePercentage Sunshine  

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.

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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 January?

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 January.

Swimming
9/10
Cycling
9/10
Walking
9/10
Barbeque
8/10
Camping
8/10
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.