Tartu Arpt climate by month
Averages and records for each calendar month at Tartu Arpt, Estonia, from 1901 to 2026. The warmest month is July, averaging 22.5°C; the coolest is January at −3.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −3.4°C | −8.7°C | 9.7°C10 January 2007 | −35.9°C30 January 1970 | 126 / 126 |
| February | −2.9°C | −9.0°C | 10.4°C21 February 1990 | −35.8°C11 February 1985 | 126 / 126 |
| March | 1.8°C | −5.5°C | 18.4°C22 March 2007 | −29.6°C19 March 1963 | 126 / 126 |
| April | 9.4°C | 0.4°C | 27.6°C19 April 2025 | −19.8°C2 April 1963 | 126 / 126 |
| May | 16.4°C | 5.5°C | 30.9°C19 May 2014 | −5.9°C9 May 1999 | 125 / 126 |
| June | 20.4°C | 9.8°C | 34.0°C18 June 1905 | −1.5°C1 June 1916 | 126 / 126 |
| July | 22.5°C | 12.4°C | 34.9°C13 July 1959 | 1.8°C6 July 1958 | 126 / 126 |
| August | 20.9°C | 11.4°C | 35.1°C11 August 1992 | 1.5°C20 August 1977 | 124 / 124 |
| September | 15.6°C | 7.4°C | 30.2°C1 September 1992 | −4.3°C16 September 1958 | 124 / 124 |
| October | 8.8°C | 2.8°C | 21.5°C2 October 1981 | −13.8°C22 October 2002 | 125 / 125 |
| November | 2.6°C | −1.6°C | 14.1°C12 November 2022 | −20.8°C29 November 2010 | 125 / 125 |
| December | −1.3°C | −5.9°C | 12.5°C20 December 2015 | −38.2°C31 December 1978 | 125 / 125 |
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 124 to 126 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.