January
Lowest air temperature -40.5 °C (1940-01-17, Varėna);
Highest air temperature +12.6 °C (2007-01-10, Lazdijai);
On 30 and 31 January 1970 severe cold was recorded at 34 stations, with a temperature of -38.0 °C in Utena;
On 4 to 8 January 1987 the temperature dropped to -35.0 °C;
On 21 January 1956 the wind speed in Klaipėda was 34 m/s;
1993-01-14 the wind speed was 35 m/s in Laukuva and 36 m/s in Nida (by the sea);
2005-01-08, 09 windstorm Erwin hits the coast, with wind speeds of up to 32 m/s.
1979-01-30, 31 in Nida, the snow depth increased by 20 cm (from 46 cm to 66 cm) after heavy snowfall;
1970-01-03 In Kretinga, 25.9 mm of precipitation fell during heavy snowfall;
2009-01-03, 04 Heavy snowfall in Kaunas, over 25 hours 38 mm of precipitation fell and snow cover increased by 45 cm;
1982-01-06, 07 the blizzard caused a nationwide disaster, covering more than a third of Lithuania. Wind speeds in Nida, Ukmergė and Jurbarkas were more than 20 m/s. In Ukmergė, the blizzard lasted 30 hours. 30 min.;
1975-01-19, 20 Dotnuva for 12 hours and 36 min. was in dense fog;
1967-01-20, 21 dense fog was recorded for 14 hours and 12 min. in Šilutė.
February
Lowest air temperature -42.9 °C – the absolute minimum air temperature in Lithuania (1956-02-01, Utena);
The highest air temperature is +16.5 °C (1990-02-21, Kybartai, Jonava);
2012-02-05 in Radviliškis the air temperature dropped to -33°C
1969-02-08…11 The longest snowstorm in Lithuania (Panevėžys) lasted 78 hours. The wind speed was 16 m/s, gusting up to 20 m/s;
1962-02-17, 18 wind speeds were 20 m/s during the blizzard and 26 m/s in gusts. The blizzard lasted 22 hours in Šilutė and 32 hours in Marijampole;
1962-02-17 wind speed in Klaipėda was 30 m/s;
1980-02-22…25 In Biržai, the maximum diameter of the composite frost and wet snow cover was 68 mm and the mass was 152 g;
1975-02-23, 24 for 16 hours and 18 min. dense fog engulfed Vėžaičiai
March
Lowest air temperature -37.5 °C (1964-03-08, Varėna);
The highest air temperature is +21.8 °C (30-03-1968, Kybartai);
1969-03-09 In Kaunas wind with gusts up to 38 m/s;
In March 1931. Laukuvos had the thickest snow cover in Lithuania during the whole observation period – 94 cm;
1972-03-23 In Palanga, Kalvarija and Druskininkai the wind was 35-38 m/s;
1975-03-08; 1994-03-09, 10 Vilnius Airport has been in thick fog for more that 15 hours
April
Lowest air temperature -23.0 °C (1963-04-04, Švenčionys);
The highest air temperature is +31.0 °C (2012-04-29, Alytus);
1993-04-24 In Vilnius 62,5 mm of precipitation fell in only 1 hour and 25 min
1977-04-12…14 the freezing rain lasted for 51 hours. In Panevėžys, the diameter of the icing was 175 mm (on power lines) and the weight of the icing ranged from 584 to 888 g (in Ukmergė). The absolute maximum of the mass of frost on power lines was 1600 g, in Vilnius, Viršuliškės.
May
Lowest air temperature -6.8 °C (1965-05-05, Varėna);
The highest air temperature is +34.0 °C (1892-05-28, Druskininkai), +32.6 °C (1958-05-28, Varėna);
1962-05-28 Hail has fallen in Vilnius, with a diameter of 30-50 mm;
1975-05-11 Hailstorm in Tauragė with a diameter of 70 mm;
1968-05-07 Hail the size of a hen’s egg fell in Kupiškis.
1969-05-15 in Jurbarkas, wind speeds exceeded 30 m/s during the storm;
1984-05-26 In Pakruojis, 35 m/s squall;
1981-05-29 a tornado struck Širvintos. Wind speed ~70 m/s;
1985-05-10 The tornado touched down north-west of Nemenčinė;
1985-05-31 115.2 mm of precipitation fell in Aunuvėnai in two hours (monthly norm ~50 mm);
1978-05-12 Laukuwa has the latest snowmelt date on record.
June
Lowest air temperature -2.8 °C (1977-06-05, Sventoji);
Maximum air temperature +35,7 °C (2019-06-12, Kaišiadorys);
1986-06-13 in Utena the wind speed reached 40 m/s;
1986-06-06 A tornado with a speed of 50 m/s swept through Birštonas;
2012-06-25 In Šilutė, wind gusts reached 40 m/s during the storm;
1985-06-01 In Pakruojis 115,2 mm of rain fell in 2 hours;
1971-06-11 Pasvalys during very heavy rain reported 93 mm precipitation in one hour;
2010-06-03 In the Šakiai area, within 2 hours. 78 mm of precipitation fell;
1972-06-15 In Anykščiai, the hailstones reached 70 mm;
1964-06-20 The largest hailstone in Alytus weighed 300 g.
July
The lowest air temperature is +0.9 °C (1971-07-22 in Varėno and 1986-07-11 in Širvintos);
Maximum air temperature +37.5 °C – the absolute maximum air temperature in Lithuania (1994-07-30, Zarasai);
1980-07-02 200 mm of rain fell in Sartai in 3 hours;
In 1994, Klaipėda, Šilutė and Telšiai did not receive a single drop of precipitation during the whole month;
In July 1998 277.6 mm of rain fell in Panevėžys;
2007-07-07 In Trakai 86 mm of rain fell in 12 hours;
1995-07-10 Hail fell in Kybartai with a diameter of 120 mm;
2011-07-27 A tornado touched down in the Šiauliai suburb of Ginkūnai, with wind speeds up to 60-70 m/s;
2012-07-09 In Nida, wind speeds of 36 m/s were recorded during the storm.
August
Lowest air temperature -2.9 °C (1966-08-30, Varėna);
The highest air temperature is +37.4 °C (2015-08-08, Birštonas);
2005-08-9…12 intense rainfall accompanied by strong winds continued continuously for almost 4 days, reaching or approaching the level of a severe weather event during the peak period. Flooding occurred in rivers in southern and western Lithuania;
1978-08-19 In Telšiai 104,8 mm of precipitation fell in 15 hours and 15 min;
1962-08-18 97.1 mm of precipitation fell in Kupiškis;
In 1996 Biržai recorded a minimum monthly rainfall of 1.7 mm;
In 1978 Šilutė had the highest monthly rainfall of 291.1 mm;
1978-08-18 In Medekščiai (Kėdainiai district) and on 1978-08-30 in Josvainiai (Kėdainiai district) tornadoes with wind speeds of 30-40 m/s, uprooted trees, blown off roofs and destroyed buildings;
1985-08-18 Hail fell in Molėtai with a diameter of 60 mm;
2012-08-06 a storm raged on the seaside, in Klaipėda the wind speed reached 32 m/s, within 1 hour 46 mm of rain fell.
September
Lowest air temperature -6.3 °C (30-09-1993, Varėna);
The highest air temperature is +35.1 °C (2015-09-01, Druskininkai);
A warm September in 1934. (+15.3 °C), in 1949 (+16.8 °C), in 1955 (+14.9 °C), in 1975 (14,8 °C), in 2006 (14,7 °C);
The highest temperatures in September (+30 °C and above) were reported in 1951, 1968, 1992 and 2015;
In 1931, 1976, 1986 and 1993, temperatures dropped as low as -6 °C;
1963-09-03 In Skuodas, 113.0 mm of precipitation fell (almost double the monthly norm);
2011-09-12 In Švenčionys district, 56 mm of rain fell in 1 hour;
1977-09-14 A storm was raging in Klaipėda and Šilutė (wind speeds up to 30 m/s);
1972-09-28 Panevėžys receives the earliest first snowfall in Lithuania.
October
Lowest air temperature -19.5 °C (31-10-1956, Varėna);
Highest air temperature +26.0 °C (1985-10-05, Kybartai);
The warmest months were in 1926, 1942 and 1966;
The coldest Octobers on record were in 1956, 1973, 1979, 1988 and 1993;
The wettest October months were 1974, 1980 and 1997, when rainfall was two norms or more per month;
1967-10-18 Klaipėda and Nida, and on 1970-10-30 in Klaipėda the wind speed reached 40 m/s;
1978-10-25 hailstones with a diameter of 20 mm fell;
1992-10-22, 23 heavy wet snow in eastern Lithuania. Snow cover of 21-25 cm has developed in many eastern areas. Wet snow on wires and tree branches was 20-25 mm; the weight of the icing was 250-280 g. Such heavy exposure caused wires to snap, poles to topple and trees to break.
November
Lowest air temperature -23.0 °C (1998-11-21, 22 Varėna);
The highest air temperature is +18.5 °C (1968-11-01, Kybartai);
2011-11-28 In the vicinity of Šilutė and Kretinga the wind speed reached 31 m/s;
1973-11-23 9 stations had wind speeds above 30 m/s (in Klaipėda >35 m/s);
1985-11-12, 13 A composite phenomenon of icing and wet snow cover was observed, with maximum icing sizes of 60-130 mm in diameter, 30-40 mm in thickness and 504 grams in mass;
1966-11-12, 13 Nida for 16 hours was in dense fog;
1984-11-02, 03 Varėna for 18 hours. was in dense fog.
December
Lowest air temperature -34.0 °C (31-12-1969, Varėna; 30-12-1978, Rokiškis);
The highest air temperature is +15.6 °C (1882-12-19, Druskininkai), +13.4 °C (1953-12-05, Šiauliai);
1978-12-30, 31 The air temperature in Rokiškis was -34.0 °C;
1971-12-08 in Palanga and 1982-12-16 in Birštonas and Klaipėda westerly winds were up to 35 m/s;
1973-12-12, 13 heavy snowfall in Kelmė: 32,7 mm of snow fell in 12 hours;
1968-12-12 a 79 mm diameter icing on the wires in Laukuva;
1973-12-03, 04 in Kybartai A severe snowstorm continued for 13 hours, with wind speeds gusting to 28 m/s;
1978-12-31 The blizzard in Nida (wind speed 20 m/s) lasted for 17 hours 47 min.;
1999-12-04 windstorm Anatol hits Lithuania. Winds gusted to 40 m/s.