Namsos Arpt climate by month
Averages and records for each calendar month at Namsos Arpt, Norway, from 2002 to 2026. The warmest month is July, averaging 20.1°C; the coolest is January at 0.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.5°C | −4.9°C | 11.2°C17 January 2025 | −26.6°C8 January 2010 | 24 / 24 |
| February | 0.6°C | −4.9°C | 10.6°C25 February 2014 | −24.0°C11 February 2021 | 23 / 24 |
| March | 3.9°C | −2.6°C | 12.8°C23 March 2025 | −21.2°C2 March 2005 | 24 / 24 |
| April | 8.5°C | 0.8°C | 20.8°C28 April 2019 | −9.4°C8 April 2013 | 24 / 24 |
| May | 13.3°C | 4.5°C | 30.0°C31 May 2013 | −3.1°C1 May 2021 | 24 / 24 |
| June | 17.1°C | 8.5°C | 31.6°C27 June 2024 | −0.9°C2 June 2012 | 24 / 24 |
| July | 20.1°C | 11.3°C | 34.0°C17 July 2025 | 3.6°C29 July 2005 | 24 / 24 |
| August | 19.1°C | 10.7°C | 30.1°C1 August 2018 | 1.2°C31 August 2007 | 25 / 25 |
| September | 14.5°C | 7.7°C | 26.5°C8 September 2024 | −2.6°C28 September 2003 | 23 / 24 |
| October | 8.4°C | 3.0°C | 20.9°C14 October 2018 | −9.2°C22 October 2003 | 24 / 24 |
| November | 3.6°C | −1.3°C | 14.8°C1 November 2005 | −20.7°C30 November 2010 | 23 / 23 |
| December | 1.8°C | −3.6°C | 10.9°C2 December 2024 | −20.8°C25 December 2010 | 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.