Surabaya weather in January (East Java, Indonesia)

Planning a trip to Surabaya in January? Here's what the weather might have in store during this month.

In January, Surabaya generally has very high temperatures and heavy rainfall. Anticipate daytime temperatures around 32°C, while night temperatures can drop to 25°C.

Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water, especially if you find yourself outdoors for extended periods.

Surabaya in January falls under the rainy season with heavy rainfall, averaging around 296 mm for the month. Rain is expected on roughly 17 days.

The area enjoys a balanced 138 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Surabaya. July and August typically offer the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

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

 

Surabaya, monthly averages in January

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 32°C  
Chance of RainChance of Rain 58%  
PrecipitationPrecipitation 296 mm  
Rainy daysRainy days 17 days  
HumidityHumidity 66%  
SunshineSunshine 138 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Indonesia in January

Find out more about the weather in Indonesia in January and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
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 Surabaya in January?

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. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to Indonesia? On this website you can find historical weather averages for many cities in Indonesia. 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.