Höfn/Hornafjörður Arpt weather by month
Averages and records for each calendar month at Höfn/Hornafjörður Arpt, Iceland, from 1973 to 2025. The warmest month is July, averaging 13.7°C; the coolest is December at 3.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 3.5°C | −1.8°C | 15.9°C16 January 2000 | −15.3°C25 January 1993 | 27 / 47 |
| February | 3.5°C | −3.6°C | 12.5°C21 February 2005 | −12.1°C27 February 1996 | 23 / 47 |
| March | 4.4°C | −0.7°C | 16.0°C29 March 2012 | −15.2°C14 March 1992 | 32 / 47 |
| April | 6.5°C | 1.5°C | 17.0°C3 April 2007 | −9.1°C11 April 1988 | 27 / 47 |
| May | 9.6°C | 4.0°C | 21.4°C21 May 1987 | −5.6°C1 May 1982 | 29 / 48 |
| June | 12.1°C | 7.1°C | 23.7°C9 June 1988 | −5.1°C2 June 1985 | 26 / 48 |
| July | 13.7°C | 8.6°C | 23.8°C26 July 1999 | 0.0°C4 July 1996 | 26 / 46 |
| August | 13.6°C | 8.0°C | 22.9°C9 August 2004 | 1.8°C29 August 1986 | 24 / 48 |
| September | 10.9°C | 6.2°C | 19.7°C10 September 2002 | −5.5°C29 September 2009 | 30 / 46 |
| October | 7.5°C | 2.7°C | 14.5°C2 October 2001 | −7.2°C29 October 1992 | 30 / 49 |
| November | 5.2°C | 1.1°C | 15.0°C7 November 1975 | −10.7°C25 November 1996 | 25 / 44 |
| December | 3.4°C | −1.4°C | 12.9°C23 December 2001 | −13.0°C31 December 2000 | 31 / 44 |
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 32 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
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.