Moscow's heat record was broken for the second time in a week on Thursday as temperatures soared to 37.7 degrees Celsius (99.86 degrees Fahrenheit).
This beat Monday's record of 37.5 degrees Celsius.
"At 15:00 Moscow time (11:00 GMT) the principal meteorological station at the National Exhibition Center registered 37.7 degrees Celsius," an expert from a local meteorological bureau said. "This is 0.2 degrees higher than the maximum temperature ever registered in Moscow".
July 2010 has become the hottest month on record in Moscow.
Temperatures near Domodedovo and Bykovo airports, to the southeast of the capital, reached 38 degrees Centigrade (100.4 degrees Fahrenheit).
RIA Novosti