Notodden Arpt climate by month
Averages and records for each calendar month at Notodden Arpt, Norway, from 2002 to 2026. The warmest month is July, averaging 23.4°C; the coolest is January at −1.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −1.4°C | −8.6°C | 11.9°C13 January 2022 | −30.4°C6 January 2024 | 24 / 24 |
| February | 1.3°C | −7.6°C | 13.8°C18 February 2015 | −26.4°C13 February 2011 | 24 / 24 |
| March | 7.1°C | −3.9°C | 21.5°C27 March 2012 | −23.5°C7 March 2006 | 24 / 24 |
| April | 12.8°C | 0.0°C | 27.1°C30 April 2026 | −10.8°C2 April 2018 | 23 / 24 |
| May | 17.7°C | 4.9°C | 30.3°C25 May 2012 | −4.0°C13 May 2020 | 24 / 24 |
| June | 21.9°C | 9.5°C | 32.1°C10 June 2007 | 1.0°C2 June 2012 | 24 / 24 |
| July | 23.4°C | 11.6°C | 33.6°C15 July 2026 | 3.6°C5 July 2019 | 23 / 24 |
| August | 22.1°C | 10.5°C | 31.3°C12 August 2022 | 1.8°C28 August 2007 | 25 / 25 |
| September | 17.7°C | 7.1°C | 27.6°C2 September 2021 | −2.9°C30 September 2009 | 24 / 24 |
| October | 10.3°C | 2.0°C | 20.5°C1 October 2011 | −10.8°C24 October 2003 | 24 / 24 |
| November | 3.9°C | −2.2°C | 18.3°C11 November 2022 | −17.4°C30 November 2010 | 24 / 24 |
| December | −0.8°C | −7.2°C | 13.9°C27 December 2011 | −29.1°C31 December 2002 | 24 / 24 |
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 23 to 25 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.