The meteorological observatory of Beijing has issued the first high humidity and high temperature weather warning of 2007 on Friday, according to the Saturday's Beijing Morning Post.

The hot and humid weather started on Monday and reached its peak on Friday. The highest temperature on that day reached 36 degrees Celsius, which with humid condition made Beijing practically unbearable.

Expert says the sauna-like weather usually appears in mid-July, but this year, it arrived 40 days earlier than usual.

It's forecasted that this weather pattern will continue till the weekend and that temperature will stay at around 36 degrees Celsius.