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Weather events

Estonian weather events in 2020 (normal for period 1981-2010)

Period Region Strong anomalies Observed values and their effects
Winter – December(2019), January, February, 2020 Estonia warmer than normal the three-month mean temperature +2,5 ºC (normal –3,3 ºC) the 1st place since the winter of 1961/62. The last record warm winter was 2007/2008, when the mean temperature was +1,0 ºC
Winter – December(2019), January, February, 2020 Estonia precipitation total higher than normal 178 mm (normal 138 mm) 5th place from the wettest winter since 1961/62
Spring – March, April, May, 2020 Estonia warmer than normal 5,4 ºC (normal 4,6 ºC) the 14th warmest spring since 1961
Spring – March, April, May, 2020 Estonia precipitation total higher than normal 113 mm (normal 110 mm)
Spring – March, April, May, 2020 Estonia high values of sunshine duration 720 hours (normal 597 hours) the 6th place sunniest since 1961
Summer – June, July, August, 2020 Estonia warmer than normal the three-month mean temperature 16,9 °C (anomaly +0,9 °C)
Summer – June, July, August, 2020 Estonia precipitation total higher than normal 222 mm (99% of normal)
Summer – June, July, August, 2020 Estonia high values of sunshine duration 862 hours (normal 790 hours) the 14th place among the sunniest summers since 1961
Autumn – September, October, November, 2020 Estonia warmer than normal the three-month mean temperature 9,6 ºC (normal 6,5 ºC) the warmest autumn in Estonia
Autumn – September, October, November, 2020 Tartu warmer than normal the three-month mean temperature 9,0 °C (anomaly +3,2 °C) the 1st place since 1866, when observations were started in the meteorological observatory in Tartu
Autumn – September, October, November, 2020 Estonia precipitation total higher than normal 175 mm (normal 201 mm) the 18th place among drier years since 1961
Autumn – September, October, November, 2020 Estonia high values of sunshine duration 284 hours (normal 267 hours)
January Estonia the warmest January in Estonia the monthly mean temperature +3,1 °C (anomaly +6,6 °C) the 1st place since 1961, warm January was exceptional for all stations – all had the monthly mean temperature anomaly +6,0 °C or more, regardless of the length of the data series, either 50 or 150 years, January was warmest at all stations
January Estonia precipitation total lower than normal and scarce in snow 26 mm (87% of normal)
February Estonia very warm the monthly mean temperature +1,7 °C (anomaly +6,2 °C) the 2nd place since 1961, in the first place is 1990, when the mean temperature for the country was +2,4 °C
February Vilsandi very warm the monthly mean temperature 3,4 °C (anomaly +5,2 °C) the 2nd place since 1866
February Kuusiku very warm the monthly mean temperature  0,9 °C (anomaly +6,0 °C) the 3rd-4th place since 1926
February Estonia precipitation total higher than normal, but scarce in snow) 78 mm (223% of normal) the 2nd place from wettest years since 1961
February Virtsu very high precipitation total 110 mm (307% of normal) the 1st place since 1911
February Tallinn very high precipitation total 105 mm (293% of normal) the 1st place since 1883
March Estonia warmer than normal the monthly mean temperature +2,4 °C (anomaly +3,5 °C) the 4th-5th place since 1961
March, first decade Estonia very warm 2,9 °C (anomaly +5,6 °C) the 1st place since 1961
March Sõrve very warm the monthly mean temperature 3,9 °C (anomaly +4,3 °C) the 1st place since 1901
March Estonia precipitation total higher than normal 45 mm (122% of normal)
March Estonia high values of sunshine duration 180 hours (132 % of normal)
April Estonia warmer than normal the monthly mean temperature 4,8 °C (anomaly +0,2 °C)
April, first decade Estonia very warm 4,9 °C (anomaly +2,2 °C) the 7th place since 1961
April Estonia precipitation total higher than normal 36 mm (116% of normal)
April Estonia high values of sunshine duration 241 hours (124 % of normal) the 10th place since 1961
May Estonia colder than normal the monthly mean temperature 9,0 °C (anomaly –1,4°C)
May, second decade Estonia colder than normal 6,3 °C (anomaly –3,9 °C) the 1st place since 1961
May 11th-13th Estonia very rare timing for snowfall ground was covered with snow
May, second decade Jõgeva colder than normal 5,7 °C (anomaly –5,0 °C) the 3rd place since 1922
May, second decade Jõhvi colder than normal 5,1 °C (anomaly –4,8 °C) the 1st place since 1959
May Estonia high values of sunshine duration 312 hours (113% of normal)
May Estonia precipitation total lower than normal 32 mm (76% of normal)
June Estonia very warm the monthly mean temperature 17,4 °C (anomaly +3,0 °C) the 3rd place since 1961
June Estonia precipitation total higher than normal 77 mm (111% of normal)
June Ristna variable in precipitation – low precipitation total 26 mm (56% of normal)
June Tooma variable in precipitation – high precipitation total 145 mm in Tooma (183% of normal)
June, 8 Estonia thunderstorm and heavy rain, hail, strong winds
June, second decade Estonia warmer than normal 18,3 °C (anomaly +4.2 °C) the 4th place since 1961
June, second half of month Estonia heat wave the maximum air temperature rose in many places to 30 °C and above
June, third decade Estonia warmer than normal 19,8 °C (anomaly +4,3 °C) the 2nd place since 1961
June Lääne-Nigula heat record for station the maximum air temperature rose to 31,3 °C
June Heltermaa heat record for station the maximum air temperature rose to 29,4 °C
July Estonia colder than normal the monthly mean temperature 16,3 °C (anomaly –1,1 °C)
July Estonia precipitation total higher than normal 89 mm (123% of normal)
July, 20 Tallinn heavy  rainfall floods in Tallinn
July, 28 Võru heavy  rainfall floods in Võru
July Estonia sunshine duration close to normal 294 hours (102% of normal)
July, 1 Estonia spout the spout broke trees and roofs
August Estonia warmer than normal the monthly mean temperature 16,9 °C (anomaly +0,6 °C)
August Estonia precipitation total lower than normal 57 mm (68% of normal)
September Estonia very warm the monthly mean temperature 14,0 °C (anomaly +2,5 °C) the 3rd place since 1961
September, third decade Estonia very warm 14,8 °C (anomaly +4,6 °C) the 1st place since 1961
September Estonia precipitation total lower than normal 53 mm (83% of normal)
October Estonia warmer than normal the monthly mean temperature 9,5 °C (anomaly +2,8 °C) the 2nd place since 1961
October Estonia precipitation total lower than normal 66 mm (89% of normal)
October Tallinn warmer than normal the monthly mean temperature 9,3 °C (anomaly +2,8 °C) the 1st place since 1883
October Pärnu warmer than normal the monthly mean temperature 10,0 °C (anomaly +3,1 °C) the 4th place since 1842
October first decade Tartu warmer than normal 12,6 °C (anomaly +4,2 °C) the 2nd place since 1866
October first decade Sõrve warmer than normal 14,0 °C (anomaly +3,4 °C) the 1st place since 1865
October third decade Estonia warmer than normal 8,8 °C (anomaly +3,9 °C) the 1st place since 1961
October third decade Võru warmer than normal 8,8 °C (anomaly +4,5 °C) the 1st place since 1920
October third decade Ristna warmer than normal 10,0 °C (anomaly +3,2 °C) the 3rd place since 1945
November Estonia very warm the monthly mean temperature 5,4 °C (anomaly +4,0 °C) the warmest since 1961
November Vilsandi warm record for station 7,7 °C (anomaly +3,7 °C) the 1st place since 1866
November Tallinn warm record for station 5,3 °C (anomaly +4,0 °C) the 1st place since 1883
November Tõravere warm record for station 4,3 °C (anomaly +3,9 °C) the 2nd place since 1866, it was little warmer in November 1877 (the monthly mean temperature was 4,4 °C)
November Estonia precipitation total lower than normal 55 mm (84% of normal)
December Estonia warmer than normal +0,6 ºC (anomaly +2,6 ºC)
December Estonia precipitation total lower than normal 37 mm (70% of normal)
The year 2020 Estonia the warmest in Estonian climate history the annual mean temperature 8,4 ºC (normal 6,0 ºC, reference period – 1981–2010) the 1st place since 1961
Estonia precipitation total lower than normal the annual precipitation amount 665 mm (normal 672 mm)
Estonia high values of sunshine duration the mean annual sunshine duration 1995 hours (normal 1766 hours) the 6th place since 1961