This page tracks the highest and lowest temperatures ever officially recorded at 16 weather stations across Iceland, based on measurements dating from 1949 to 2026. Use the interactive map or the list below to see the record high and record low temperature (in Celsius) for each location, along with the date each record was set.
| Location | Temperature | Record Date |
| Akureyri | 29 °C (85 °F) | June 23, 1974 |
| Bolungavi | 24 °C (76 °F) | August 13, 2004 |
| Dalatangi | 26 °C (79 °F) | September 12, 1949 |
| Egilsstadir | 29 °C (84 °F) | July 5, 1991 |
| Eyrarbakk | 28 °C (82 °F) | July 30, 2008 |
| Grimsey | 22 °C (71 °F) | July 27, 2011 |
| Grimsstadir | 27 °C (81 °F) | July 7, 1991 |
| Hornafjordur | 24 °C (75 °F) | July 26, 1999 |
| Iceland Sit | 22 °C (71 °F) | July 28, 2019 |
| Keflavik | 24 °C (75 °F) | July 31, 1980 |
| Kirkjubaejarklaustu | 29 °C (85 °F) | July 2, 1991 |
| Raufarhof | 25 °C (77 °F) | May 26, 1992 |
| Reykjavik | 26 °C (78 °F) | July 30, 2008 |
| Skjaldthingsstadi | 28 °C (83 °F) | June 25, 1988 |
| Stykkisholmur | 22 °C (72 °F) | June 20, 1949 |
| Vestmannaeyjar | 22 °C (71 °F) | July 30, 2008 |
The highest temperature ever officially recorded in Iceland was 85 °F (29 °C), set in Akureyri on June 23, 1974.
The lowest temperature ever officially recorded in Iceland was -56 °F (-49 °C), set in Grimsey on February 17, 1976.
This page includes record high and low temperature data for 16 weather stations in Iceland.
The record highs and lows on this page span from 1949 to 2026 and are updated whenever a new station record is set.