Surabaja weather in December 2025

Expect daytime maximum temperatures of 32°C in Surabaja in December and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 216 mm of rainfall in the month.

  • 32°C maximum daytime temperature in December in Surabaja32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in December in Surabaja14
    14 days with some rainfall
  • 25°C minimum night-time temperature in December in Surabaja25
    25°C min night temperature
  • 13 hours of daylight per day in December in Surabaja13
    13 hours of daylight per day
  • Very high heat & humidity in December in SurabajaVH
    Very High heat & humidity
  • 216 mm monthly rainfall in December in Surabaja216
    216 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Surabaja11
    11+ (Extreme) UV index
  • 29°C sea temperature in December in Surabaja29
    29°C sea temperature

More about Surabaja

Surabaja by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Indonesia

TUI discount code: up to £300 off 2025/2026 holidays

  • Save up to £300 on package holidays in 2025/2026
  • Book in TUI sale. Discount varies by spend. T&Cs apply
  • Travel between 1st May 2025 & 31st Oct 2026 (inclusive)
Show discount codeShow discount code ******ALE
Redeem TUI discount code >>

Expires at 10:00 on Friday 28th Feb 2025 · View all TUI offers

TUITUI deal finder

The December weather guide for Indonesia (Surabaja) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Indonesia

How hot is it in Surabaja in December?

Daytime temperatures usually reach 32°C in Surabaja in December with very high heat and humidity, falling to 25°C at night.

How sunny is it in Surabaja in December?

There are normally 8 hours of bright sunshine each day in Surabaja in December - that's 60% of daylight hours.

How warm is the sea around Surabaja in December?

The average sea temperature around Surabaja in December is 29°C.

Does it rain in Surabaja in December?

There are usually 14 days with some rain in Surabaja in December and the average monthly rainfall is 216mm.

Surabaja December sunrise & sunset times

Browse the sunrise and sunset times for Surabaja in December 2025. Select a month to view Surabaja sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:03 17:34
Tuesday, 16th December 2025 05:08 17:41
Wednesday, 31st December 2025 05:16 17:48

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^