The India Meteorological Department (IMD) has released the latest weather update for Tamil Nadu, Puducherry, and Karaikal, citing the influence of multiple atmospheric circulations over the Arabian Sea, Bay of Bengal, and adjoining regions.
Rainfall Outlook
December 29, 2025
- Delta districts and Karaikal: Isolated light to moderate rainfall likely
- Rest of Tamil Nadu & Puducherry: Mostly dry weather
- Night / Early Morning: Light fog at a few places
December 30, 2025
- Western Ghats districts and South Tamil Nadu: Isolated light to moderate rain
- Other parts of Tamil Nadu, Puducherry & Karaikal: Dry conditions expected
- Night / Early Morning: Light fog possible
Temperature Forecast
- From December 29 to 31, no major change is expected in minimum temperatures
- At a few locations, minimum temperatures may fall 2–3°C below normal across Tamil Nadu, Puducherry, and Karaikal
Frost Warning
The IMD has issued a frost alert for:
- Nilgiris district
- Kodaikanal hill areas (Dindigul district)
Frost is likely during night and early morning hours on December 29 and 30, and residents in hilly regions are advised to take precautions.
Chennai & Suburban Weather
Sky: Partly cloudy
Fog: Light fog likely during night and early morning
Maximum Temperature: 28–30°C
Minimum Temperature: 21–22°C
Advisory
People are advised to stay alert for foggy mornings, cooler nights, and reduced visibility, especially in hill areas and delta districts. Farmers and commuters should take necessary precautions.