Delhi weather: A wet and cold December ahead: India Meteorological Dept

Delhi weather: With 1.8 mm rainfall on Tuesday, and more expected over the week, this December is likely to be one of the wettest in the recent past. December last year, recorded a total rainfall of 0.6 mm.

The Tuesday rain pushed the maximum temperature to a low of 18.7 degrees Celsius, four notches below normal. The day-time temperature on Monday was 28.1 degrees Celsius, making this December 10 the hottest in the past five years.

Officials at India Meteorological Department (IMD) said the weather conditions could trigger dense fog "anytime", though high speed winds on Tuesday helped improve visibility at IGI Airport to 2,500 metres in the afternoon. The visibility recorded on Tuesday morning was around 1,000 metres.

Dr R K Jenamani, Director IMD (IGIA) said: "All the conditions are favourable for fog, but the high-speed north-easterly winds have been preventing it so far."

He said shallow to moderate fog was expected over the next two days. With more rain expected between December 13 and 15, dense fog could follow on December 16. "We can say there are a 60 per cent chance of dense fog from December 16," Dr Jenamani said.

The Met department said western disturbances over J&K, Uttarakhand and Himachal Pradesh had induced a cyclonic circulation over central Pakistan and Rajasthan — this contributed to the rain on Tuesday.

"The effect is likely to continue till Tuesday night. We do not expect more rain on Wednesday, but from Thursday fresh Western disturbances are likely to affect the western Himalayan region and the adjoining plains," Dr M Duraisamy, scientist and in charge of the regional weather observatory in Delhi, said.

The weather conditions will bring snow over J&K, HP and Uttarakhand and moderate to heavy rain in Delhi and adjoining plains between December 13 and 16, the Met office said.

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