Ivalo Arpt climate by month
Averages and records for each calendar month at Ivalo Arpt, Finland, from 1959 to 2026. The warmest month is July, averaging 19.0°C; the coolest is January at −9.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −9.0°C | −17.9°C | 6.3°C9 January 1964 | −48.9°C27 January 1999 | 68 / 68 |
| February | −8.0°C | −16.7°C | 6.9°C17 February 1976 | −48.6°C1 February 1966 | 68 / 68 |
| March | −2.6°C | −12.4°C | 9.5°C27 March 2007 | −39.9°C14 March 1981 | 67 / 68 |
| April | 2.7°C | −6.4°C | 16.7°C29 April 2016 | −29.8°C2 April 1991 | 68 / 68 |
| May | 9.2°C | 0.4°C | 28.2°C30 May 2013 | −18.3°C1 May 1971 | 68 / 68 |
| June | 15.7°C | 6.5°C | 31.7°C20 June 1966 | −3.3°C6 June 1971 | 68 / 68 |
| July | 19.0°C | 9.7°C | 31.7°C18 July 2018 | −0.1°C26 July 1962 | 68 / 68 |
| August | 16.2°C | 7.5°C | 31.3°C1 August 2018 | −3.6°C29 August 1986 | 68 / 68 |
| September | 10.2°C | 3.1°C | 22.4°C9 September 2024 | −11.6°C26 September 1968 | 67 / 67 |
| October | 2.5°C | −2.9°C | 13.3°C10 October 2005 | −27.6°C26 October 1968 | 67 / 67 |
| November | −3.5°C | −10.2°C | 11.4°C8 November 2024 | −37.5°C27 November 1984 | 67 / 67 |
| December | −6.8°C | −15.1°C | 7.4°C18 December 2007 | −40.6°C11 December 1960 | 67 / 67 |
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 67 to 68 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.