Iceland Weather Records: Most Significant and Latest
The 20 highest significance weather records in Iceland, ranked by margin, age of the old record and length of record.
Key Facts
- Iceland has 40 weather records set or tied in 2026 in the data.
- Stykkisholmur set a daily record precipitation of 35.4 mm (1.4 in) on 7 August 2026.
Record Types Among the Top 20
| Record type | Records |
|---|---|
| Highest daily maximum | 5 |
| Lowest daily maximum | 0 |
| Highest daily minimum | 9 |
| Lowest daily minimum | 0 |
| Heaviest daily rainfall | 6 |
| Heaviest daily snowfall | 0 |
| Deepest snow cover | 0 |
Where They Were Set
| Station | Country | Type | Value | Significance |
|---|---|---|---|---|
| Stykkisholmur | Iceland | Record daily precipitation | 35.4 mm (1.4 in) | 59 of 100 (Notable) |
| Stykkisholmur | Iceland | Record daily precipitation | 37.1 mm (1.5 in) | 47 of 100 (Notable) |
| Keflavik | Iceland | Record high minimum temperature | 7.0 C (44.6 F) | 32 of 100 (Routine) |
| Dalatangi | Iceland | Record high maximum temperature | 23.9 C (75.0 F) | 31 of 100 (Routine) |
| Keflavik | Iceland | Record high minimum temperature | 7.0 C (44.6 F) | 30 of 100 (Routine) |
| Keflavik | Iceland | Record high minimum temperature | 9.0 C (48.2 F) | 28 of 100 (Routine) |
| Keflavik | Iceland | Record high minimum temperature | 9.0 C (48.2 F) | 28 of 100 (Routine) |
| Stykkisholmur | Iceland | Record high minimum temperature | 5.6 C (42.1 F) | 28 of 100 (Routine) |
| Dalatangi | Iceland | Record high maximum temperature | 20.2 C (68.4 F) | 27 of 100 (Routine) |
| Dalatangi | Iceland | Record high maximum temperature | 20.8 C (69.4 F) | 26 of 100 (Routine) |
| Dalatangi | Iceland | Record high maximum temperature | 19.3 C (66.7 F) | 26 of 100 (Routine) |
| Keflavik | Iceland | Record high minimum temperature | 9.0 C (48.2 F) | 26 of 100 (Routine) |
| Keflavik | Iceland | Record high minimum temperature | 8.0 C (46.4 F) | 26 of 100 (Routine) |
| Reykjavik | Iceland | Record daily precipitation | 26.6 mm (1.0 in) | 26 of 100 (Routine) |
| Dalatangi | Iceland | Record high minimum temperature | 12.1 C (53.8 F) | 25 of 100 (Routine) |
| Dalatangi | Iceland | Record high minimum temperature | 11.0 C (51.8 F) | 25 of 100 (Routine) |
| Reykjavik | Iceland | Record high maximum temperature | 18.9 C (66.0 F) | 24 of 100 (Routine) |
| Dalatangi | Iceland | Record daily precipitation | 42.4 mm (1.7 in) | 24 of 100 (Routine) |
| Reykjavik | Iceland | Record high minimum temperature | 6.5 C (43.7 F) | 24 of 100 (Routine) |
| Keflavik | Iceland | Record high minimum temperature | 10.0 C (50.0 F) | 23 of 100 (Routine) |
| Stykkisholmur | Iceland | Record high minimum temperature | 7.3 C (45.1 F) | 23 of 100 (Routine) |
| Dalatangi | Iceland | Record high minimum temperature | 5.9 C (42.6 F) | 22 of 100 (Routine) |
| Reykjavik | Iceland | Record daily precipitation | 13.8 mm (0.5 in) | 20 of 100 (Routine) |
| Reykjavik | Iceland | Record daily precipitation | 23.2 mm (0.9 in) | 20 of 100 (Routine) |
| Stykkisholmur | Iceland | Record daily precipitation | 23.5 mm (0.9 in) | 20 of 100 (Routine) |
| Reykjavik | Iceland | Record high minimum temperature | 7.8 C (46.0 F) | 20 of 100 (Routine) |
| Dalatangi | Iceland | Record high maximum temperature | 15.7 C (60.3 F) | 20 of 100 (Routine) |
| Dalatangi | Iceland | Record high maximum temperature | 18.5 C (65.3 F) | 20 of 100 (Routine) |
| Stykkisholmur | Iceland | Record daily precipitation | 11.5 mm (0.5 in) | 19 of 100 (Routine) |
| Keflavik | Iceland | Record low maximum temperature | -1.0 C (30.2 F) | 18 of 100 (Routine) |
| Dalatangi | Iceland | Record high maximum temperature | 20.4 C (68.7 F) | 17 of 100 (Routine) |
| Reykjavik | Iceland | Record high minimum temperature | 8.0 C (46.4 F) | 17 of 100 (Routine) |
| Reykjavik | Iceland | Record daily precipitation | 21.9 mm (0.9 in) | 17 of 100 (Routine) |
| Keflavik | Iceland | Record high minimum temperature | 12.0 C (53.6 F) | 16 of 100 (Routine) |
| Stykkisholmur | Iceland | Record high minimum temperature | 12.4 C (54.3 F) | 16 of 100 (Routine) |
| Stykkisholmur | Iceland | Record high maximum temperature | 18.6 C (65.5 F) | 16 of 100 (Routine) |
| Dalatangi | Iceland | Record high maximum temperature | 12.5 C (54.5 F) | 16 of 100 (Routine) |
| Reykjavik | Iceland | Record low maximum temperature | -1.5 C (29.3 F) | 16 of 100 (Routine) |
| Dalatangi | Iceland | Record high minimum temperature | 11.3 C (52.3 F) | 14 of 100 (Routine) |
| Stykkisholmur | Iceland | Record high maximum temperature | 17.8 C (64.0 F) | 14 of 100 (Routine) |
| Stykkisholmur | Iceland | Record low minimum temperature | -10.6 C (12.9 F) | 14 of 100 (Routine) |
| Dalatangi | Iceland | Record high minimum temperature | 5.2 C (41.4 F) | 14 of 100 (Routine) |
| Dalatangi | Iceland | Record high minimum temperature | 11.3 C (52.3 F) | 13 of 100 (Routine) |
| Dalatangi | Iceland | Record high minimum temperature | 6.3 C (43.3 F) | 13 of 100 (Routine) |
| Reykjavik | Iceland | Record low maximum temperature | 0.2 C (32.4 F) | 13 of 100 (Routine) |
| Keflavik | Iceland | Record high maximum temperature | 9.0 C (48.2 F) | 12 of 100 (Routine) |
| Keflavik | Iceland | Record low maximum temperature | 10.0 C (50.0 F) | 7 of 100 (Routine) |
| Keflavik | Iceland | Record high minimum temperature | 10.0 C (50.0 F) | 6 of 100 (Routine) |
| Reykjavik | Iceland | Record daily precipitation | 8.9 mm (0.35 in) | 4 of 100 (Routine) |
| Dalatangi | Iceland | Record daily precipitation | 60.5 mm (2.4 in) | 3 of 100 (Routine) |
| Keflavik | Iceland | Record low maximum temperature | 2.0 C (35.6 F) | 3 of 100 (Routine) |
| Dalatangi | Iceland | Record high minimum temperature | 10.6 C (51.1 F) | 2 of 100 (Routine) |
| Stykkisholmur | Iceland | Record high maximum temperature | 16.4 C (61.5 F) | 2 of 100 (Routine) |
| Dalatangi | Iceland | Record high minimum temperature | 5.2 C (41.4 F) | 2 of 100 (Routine) |
| Stykkisholmur | Iceland | Record high minimum temperature | 6.4 C (43.5 F) | 2 of 100 (Routine) |
| Stykkisholmur | Iceland | Record high maximum temperature | 9.3 C (48.7 F) | 2 of 100 (Routine) |
| Keflavik | Iceland | Record high minimum temperature | 11.0 C (51.8 F) | 1 of 100 (Routine) |
Ranked by Significance
| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 7 August 2026 | Stykkisholmur, IS | daily rain | 35.4 mm (1.4 in) | 20.6 mm (0.8 in) | 40 years | 59 of 100 (Notable) |
| 24 December 2025 | Stykkisholmur, IS | daily rain | 37.1 mm (1.5 in) | 17.7 mm (0.7 in) | 23 years | 47 of 100 (Notable) |
| 24 December 2025 | Keflavik, IS | daily high min | 7.0 C (44.6 F) | 2.0 C (3.6 F) | 68 years | 32 of 100 (Routine) |
| 12 July 2026 | Dalatangi, IS | monthly high max | 23.9 C (75.0 F) | 0.4 C (0.7 F) | 43 years | 31 of 100 (Routine) |
| 25 December 2025 | Keflavik, IS | daily high min | 7.0 C (44.6 F) | 3.1 C (5.6 F) | 55 years | 30 of 100 (Routine) |
| 2 June 2026 | Keflavik, IS | daily high min | 9.0 C (48.2 F) | 0.1 C (0.2 F) | 71 years | 28 of 100 (Routine) |
| 1 June 2026 | Keflavik, IS | daily high min | 9.0 C (48.2 F) | 0.1 C (0.2 F) | 72 years | 28 of 100 (Routine) |
| 24 December 2025 | Stykkisholmur, IS | daily high min | 5.6 C (42.1 F) | 2.1 C (3.8 F) | 55 years | 28 of 100 (Routine) |
| 15 July 2026 | Dalatangi, IS | daily high max | 20.2 C (68.4 F) | 3.6 C (6.5 F) | 29 years | 27 of 100 (Routine) |
| 23 July 2026 | Dalatangi, IS | daily high max | 20.8 C (69.4 F) | 0.4 C (0.7 F) | 61 years | 26 of 100 (Routine) |
| 17 July 2026 | Dalatangi, IS | daily high max | 19.3 C (66.7 F) | 0.9 C (1.6 F) | 56 years | 26 of 100 (Routine) |
| 3 June 2026 | Keflavik, IS | daily high min | 9.0 C (48.2 F) | 0.1 C (0.2 F) | 64 years | 26 of 100 (Routine) |
| 27 April 2026 | Keflavik, IS | daily high min | 8.0 C (46.4 F) | 0.2 C (0.4 F) | 64 years | 26 of 100 (Routine) |
| 29 October 2025 | Reykjavik, IS | daily rain | 26.6 mm (1.0 in) | 2.4 mm (0.09 in) | 52 years | 26 of 100 (Routine) |
| 23 July 2026 | Dalatangi, IS | monthly high min | 12.1 C (53.8 F) | 0.1 C (0.2 F) | 26 years | 25 of 100 (Routine) |
| 16 July 2026 | Dalatangi, IS | daily high min | 11.0 C (51.8 F) | 1.8 C (3.2 F) | 25 years | 25 of 100 (Routine) |
| 12 June 2026 | Reykjavik, IS | daily high max | 18.9 C (66.0 F) | 2.3 C (4.1 F) | 24 years | 24 of 100 (Routine) |
| 11 May 2026 | Reykjavik, IS | daily rain | 13.8 mm (0.5 in) | 8.0 mm (0.31 in) | 37 years | 20 of 100 (Routine) |
| 13 July 2026 | Reykjavik, IS | daily rain | 23.2 mm (0.9 in) | 9.9 mm (0.39 in) | 5 years | 20 of 100 (Routine) |
| 19 March 2026 | Stykkisholmur, IS | daily rain | 23.5 mm (0.9 in) | 9.9 mm (0.39 in) | 4 years | 20 of 100 (Routine) |
The score combines margin, the age of the old record and the length of the station's record. How it is computed.
Download the Data
Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2026-10-14).