A new cold temperature record for this winter, -30.4 degrees Celsius, was registered at the weather station of Tarvastu in south Estonia on Thursday, spokespeople for the weather service said.
The measurement was recorded at 7 a.m.
The previous cold temperature record for this winter was -28.6 degrees Celsius, registered at the weather station of Narva in the country's northeast between 8 and 9 a.m. Wednesday.
The coldest temperature registered last winter was -20.7 degrees, measured at the weather station of Väike-Maarja on January 7.
The coldest temperature ever measured in Estonia is -43.5 degrees, recorded at the weather station of the regional capital Jõgeva in eastern Estonia on January 17, 1940.