Kruunupyy Arpt climate by month
Averages and records for each calendar month at Kruunupyy Arpt, Finland, from 1961 to 2026. The warmest month is July, averaging 21.3°C; the coolest is January at −4.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −4.5°C | −11.7°C | 9.5°C11 January 1971 | −40.5°C10 January 1987 | 63 / 63 |
| February | −4.1°C | −11.9°C | 10.4°C23 February 1990 | −41.5°C3 February 1966 | 63 / 63 |
| March | 0.6°C | −8.0°C | 13.9°C29 March 2007 | −33.4°C14 March 1966 | 63 / 63 |
| April | 6.6°C | −2.6°C | 21.8°C26 April 2019 | −22.2°C8 April 1965 | 62 / 63 |
| May | 13.9°C | 2.2°C | 29.6°C14 May 2010 | −10.1°C1 May 1976 | 62 / 63 |
| June | 18.9°C | 7.6°C | 32.8°C25 June 2020 | −3.6°C7 June 2009 | 62 / 63 |
| July | 21.3°C | 10.5°C | 34.3°C29 July 2010 | −0.5°C9 July 1975 | 62 / 62 |
| August | 19.1°C | 9.1°C | 31.3°C1 August 1963 | −3.2°C28 August 1989 | 62 / 62 |
| September | 13.5°C | 5.0°C | 27.6°C6 September 1968 | −8.6°C30 September 1978 | 61 / 61 |
| October | 6.9°C | 0.6°C | 20.9°C14 October 2018 | −22.2°C31 October 1992 | 61 / 62 |
| November | 1.2°C | −4.0°C | 12.3°C3 November 2015 | −32.2°C29 November 1980 | 61 / 62 |
| December | −2.2°C | −8.6°C | 8.4°C6 December 2000 | −37.9°C30 December 1978 | 62 / 62 |
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 61 to 63 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.