Vilnius climate by month
Averages and records for each calendar month at Vilnius, Lithuania, from 1890 to 2025. The warmest month is July, averaging 22.8°C; the coolest is January at −2.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −2.9°C | −7.9°C | 10.9°C10 January 2007 | −37.2°C10 January 1940 | 108 / 133 |
| February | −1.8°C | −7.7°C | 13.5°C21 February 1990 | −35.8°C1 February 1956 | 109 / 134 |
| March | 3.0°C | −4.2°C | 19.5°C30 March 1968 | −29.6°C7 March 1964 | 115 / 134 |
| April | 10.9°C | 1.7°C | 29.0°C29 April 2012 | −14.4°C4 April 1931 | 114 / 133 |
| May | 17.8°C | 7.2°C | 31.8°C30 May 1931 | −4.4°C3 May 1995 | 115 / 134 |
| June | 21.2°C | 10.7°C | 34.2°C13 June 2019 | 0.0°C8 June 1982 | 116 / 133 |
| July | 22.8°C | 12.8°C | 35.4°C13 July 1959 | 0.0°C2 July 1999 | 116 / 132 |
| August | 22.0°C | 12.0°C | 34.9°C8 August 2015 | 1.0°C30 August 1966 | 114 / 131 |
| September | 17.1°C | 8.1°C | 33.1°C1 September 2015 | −4.4°C29 September 1931 | 111 / 127 |
| October | 10.1°C | 3.6°C | 24.5°C1 October 1942 | −14.4°C31 October 1956 | 111 / 129 |
| November | 3.2°C | −1.1°C | 15.5°C17 November 2002 | −22.8°C26 November 1890 | 105 / 130 |
| December | −0.8°C | −5.4°C | 10.5°C5 December 1960 | −30.5°C30 December 1978 | 105 / 131 |
Years shows the number behind the average high, then the number holding a record for that month. They differ because a year contributes an average only when the month has at least 25 days of readings, while a single reading is enough to set a record. The average low is withheld on the same 25-day rule and is counted separately again; it is shown as a dash where the archive cannot support it. Across the twelve months here the averages rest on 105 to 116 years each.
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Every figure on this page is computed from NOAA GHCN-Daily observations stored per station, per year, per month. Nothing is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. A station appears here only once all twelve months carry an average from at least 10 years. See how this is built.