Weather in Chennai in December
December in Chennai is mild with average temperatures around 24.8°C (76.6°F). Expect significant rainfall with 126mm across approximately 9 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
27.6°C
81.7°F
Low
22.0°C
71.6°F
Precipitation
126 mm
4.9 inches
~9 rainy days
Conditions
Humidity
80%
Comparison to Adjacent Months
December is 166mm drier than November.
December is 109mm wetter than January.