Surabaya in December usually sees fair weather conditions, with an average daily high temperature of +88°F and roughly 0 sunny days. However, you should prepare for about 24 rainy days with an average precipitation of 248 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+88°F
Avg. max. temperature
+73°F
Min.
+97°F
Max.
248 mm
Total precipitation
80%
Avg. humidity
1 m/s
Avg. wind
0 ☀️
Sunny Days
0 ⛅️
Cloudy
24 🌦
Rainy
Our opinion: Surabaya has OK weather in December.
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Average temperature in Surabaya in December
Here are the expected maximum, average and minimum temperatures in Surabaya for December based on the historical data.
Last Year
Historical Data
The temperature in December is +91°F on average, with a range between a maximum of +93°F during the day and a minimum of +77°F at night.
The average maximum temperature goes up 44% by the end of the month, compared with the beginning of the month, from +86°F to +93°F.
Is Surabaya warm or cold in December?
Surabaya is typically hot in December.
Maximum temperatures go down compared to the previous month from +90°F to +88°F. The minimum temperature also goes down from +79°F to +77°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how December is compared to other months in Surabaya:
Climate in Surabaya in December
Surabaya weather looks like this, on average, in December and the surrounding months.
November
December
January
Avg. temperature
+90°F
+88°F
+88°F
Min. temperature
+73°F
+73°F
+73°F
Max. temperature
+99°F
+97°F
+95°F
Rainfall
175 mm
248 mm
261 mm
Wind
1 m/s
1 m/s
2 m/s
Humidity
75%
80%
83%
Air pressure
1008 HPa
1008 HPa
1008 HPa
Sunny days
1
0
0
Cloudy days
1
0
0
Rainy days
23
24
25
Snowy days
0
0
0
December weather is still as ok as in November.It’s getting colder in December. From +90°F in the day, the average maximum temperature lowers to +88°F.Prepare for more rain. Average rainfall goes from 175 mm to 248 mm.Humidity rises from 75% to 80%.The average wind speed doesn’t change much during December, staying around 1 m/s.The days becoming less sunny, going from 1 sunny days in November to 0 in December.
January brings much the same weather, it remains ok.
Wind speed in Surabaya in December based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Surabaya is gradually increasing during December, going from 2 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during December in Surabaya based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in December stands at 90%, leading to total precipitation of around 185 mm. The maximum amount of rainfall per day is around 24 mm, which is considered light rain.December is a pretty wet month with over 28 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
December is one of the rainiest months in Surabaya, here is a comparison with other months, total mm:
Surabaya wettest month is January, where a typical day has a 81% chance of precipitation and 261 mm of rainfall per day. August, on the other hand, is the driest month with a mere 23% chance of precipitation and 7 mm of rainfall per day.
How was the weather last December in Surabaya?
This is the weather in Surabaya in December 2024:
1 December
🌫️
+86°F
2 December
🌫️
+90°F
3 December
🌧️
+90°F
4 December
🌫️
+90°F
5 December
☀️
+93°F
6 December
🌧️
+92°F
7 December
🌫️
+91°F
8 December
🌫️
+91°F
9 December
🌫️
+90°F
10 December
☀️
+88°F
11 December
☀️
+92°F
12 December
🌫️
+93°F
13 December
🌧️
+90°F
14 December
🌫️
+89°F
15 December
🌧️
+90°F
16 December
☀️
+91°F
17 December
☀️
+92°F
18 December
☀️
+91°F
19 December
☀️
+91°F
20 December
☀️
+91°F
21 December
☀️
+90°F
22 December
☀️
+91°F
23 December
☀️
+92°F
24 December
☀️
+91°F
25 December
☁️
+89°F
26 December
🌫️
+92°F
27 December
🌧️
+91°F
28 December
🌧️
+93°F
29 December
🌧️
+94°F
30 December
🌧️
+92°F
31 December
🌧️
+93°F
In December 2024 Surabaya had 12 sunny days, 1 cloudy days, and 9 rainy days. The average maximum temperature was +91°F, with an absolute maximum of +93°F and a minimum of +86°F. The average humidity was 77%, with a maximum of 100% and a minimum of 46%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in December?
Climate Change Over the Years
This is how Surabaya climate has changed over the last 43 years.
The climate in Surabaya in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+87°F) and the highest in 2009 (+91°F). The driest year was 1997 with only 1067 mm of rainfall, and the wettest year was 2010 with 2524 mm.
FAQ
Frequently asked questions about the weather in Surabaya in December:
Is December a good time to visit Surabaya?
It’s always a good time to visit Surabaya, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Surabaya in December?
Absolutely, December is hot in Surabaya. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.
Is Surabaya rainy in December?
Surabaya is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Surabaya in December?
Usually, it’s not very sunny in Surabaya in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in Indonesia
Check out the weather for other cities in Indonesia.
For this page, we’ve looked at the typical weather in Surabaya, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
