Kemi/Tornio Arpt climate by month
Averages and records for each calendar month at Kemi/Tornio Arpt, Finland, from 1959 to 2026. The warmest month is July, averaging 20.2°C; the coolest is January at −7.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −7.1°C | −15.8°C | 8.8°C11 January 1971 | −37.1°C6 January 1985 | 64 / 64 |
| February | −6.4°C | −15.3°C | 7.7°C25 February 2019 | −43.2°C8 February 1966 | 64 / 64 |
| March | −1.6°C | −10.7°C | 9.6°C26 March 1982 | −34.0°C8 March 1981 | 64 / 64 |
| April | 4.0°C | −4.2°C | 18.3°C28 April 2002 | −25.4°C2 April 1965 | 62 / 64 |
| May | 11.2°C | 1.6°C | 28.1°C31 May 2013 | −9.3°C1 May 1969 | 63 / 64 |
| June | 17.2°C | 7.6°C | 31.4°C10 June 2011 | −3.4°C3 June 1964 | 63 / 63 |
| July | 20.2°C | 10.9°C | 32.9°C20 July 1970 | 1.3°C20 July 2026 | 63 / 63 |
| August | 17.7°C | 9.1°C | 31.0°C8 August 2023 | −2.2°C31 August 1960 | 63 / 63 |
| September | 12.1°C | 4.5°C | 23.7°C1 September 2004 | −9.8°C27 September 1966 | 62 / 62 |
| October | 5.2°C | −0.9°C | 16.0°C2 October 2020 | −24.8°C31 October 1960 | 61 / 62 |
| November | −0.7°C | −7.1°C | 10.0°C7 November 2003 | −31.3°C30 November 1980 | 60 / 63 |
| December | −4.4°C | −12.4°C | 7.0°C10 December 2024 | −36.7°C29 December 1978 | 63 / 63 |
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 60 to 64 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.