Chennai weather in December 2025

Expect 29°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Chennai in December. Check more long-term weather averages for Chennai in December before you book your next holiday to India in 2025/2026.

  • 29°C maximum daytime temperature in December in Chennai29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in December in Chennai6
    6 days with some rainfall
  • 21°C minimum night-time temperature in December in Chennai21
    21°C min night temperature
  • 11 hours of daylight per day in December in Chennai11
    11 hours of daylight per day
  • Moderate heat & humidity in December in ChennaiM
    Moderate heat & humidity
  • 147 mm monthly rainfall in December in Chennai147
    147 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in December in Chennai9
    9 (Very High) UV index
  • 27°C sea temperature in December in Chennai27
    27°C sea temperature

More about Chennai

Chennai by month

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

Recommended for India

  • 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

Expires at 10:00 on Friday 31st Jan 2025 · View all TUI offers

TUITUI deal finder

The December weather guide for India (Chennai) 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 India

How hot is it in Chennai in December?

Daytime temperatures usually reach 29°C in Chennai in December with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Chennai in December?

There are normally 7 hours of bright sunshine each day in Chennai in December - that's 59% of daylight hours.

How warm is the sea around Chennai in December?

The average sea temperature around Chennai in December is 27°C.

Does it rain in Chennai in December?

There are usually 6 days with some rain in Chennai in December and the average monthly rainfall is 147mm.

What is the chance of a cyclone in Chennai in December?

On average less than 1 day in December in Chennai is likely to be affected by the passage of one or more tropical storms.

Chennai December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:16 17:40
Tuesday, 16th December 2025 06:24 17:46
Wednesday, 31st December 2025 06:31 17:53

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^