A spokesman for the service said the mercury reached 30.5 degrees Celsius (86.9 degrees Fahrenheit) by midday, beating the 1935 and 1951 record for August 15 of 30.4 degrees Celsius (86.72 degrees Fahrenheit).
The first summer temperature record in Moscow was reported Monday, August 13, reaching 31.3 degrees Celsius (88.34 degrees Fahrenheit) and surpassing a reading of 31 degrees Celsius (87.8 degrees Fahrenheit) set in 1880.
In May, Russia's capital broke five heat records. May 28 became the hottest May day in the 120-year history of temperature record-keeping in Moscow, with thermometers near bursting at 32.2 degrees Celsius (89.7 degrees Fahrenheit).
This year, Moscow also enjoyed an abnormally warm March, with average temperature staying six degrees higher than normal.
