A study by regional climate scientists revealed the meteorological summer in Latvia has lengthened by 17 days in the past half a century, while the period has changed far less in Estonia.
A meteorological summer is defined as when the average temperature during 24 hours is above 15 C, which in Latvia now is from June 18 to August 27, on average, LETA reported.
Miina Krabbi of the Estonian Environment Agency told uudised.err.ee today the Estonian definition of summer is average temperatures of over 13 C, adding that traditionally summer arrives in the south of the nation in the first days of June, arriving in the capital region two weeks later and then to the islands.
“The arrival date and length of summer has not changed significantly in the last decades,” Krabbi said, adding that the change is around one week more of summer, but that is statistically insignificant.
Summer, officially, lasts the longest in Pärnu and on Kihnu Island – 103 days on average, with Jõhvi at the other end of the spectrum with fewer than 90 days.