| Month | Average (°C) | Record (°C) | Average (cm) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 4.1 | 0.7 | 10.6 | -21.2 | 5.0 |
| February | 4.0 | 0.5 | 12.8 | -21.0 | 3.9 |
| March | 6.5 | 2.0 | 17.3 | -15.0 | 3.7 |
| April | 11.2 | 5.0 | 24.7 | -4.0 | 3.2 |
| May | 15.2 | 8.8 | 27.2 | 0.4 | 3.6 |
| June | 17.9 | 12.0 | 30.6 | 4.8 | 5.1 |
| July | 20.4 | 14.6 | 32.8 | 8.0 | 5.9 |
| August | 20.7 | 15.1 | 32.6 | 9.4 | 9.0 |
| September | 17.5 | 12.6 | 27.8 | 4.5 | 7.8 |
| October | 12.9 | 8.7 | 22.7 | -1.2 | 8.4 |
| November | 8.3 | 4.7 | 15.8 | -7.1 | 7.3 |
| December | 5.5 | 2.0 | 12.1 | -13.6 | 6.4 |
| Entire year | 12.1 | 7.3 | 32.8 | -21.2 | 69.3 |
|
More Sylt Weather Records
1931–2024
|
||
|---|---|---|
| Highest daily low | 21.9 °C | July 13, 1941 |
| Lowest daily high | -15.2 °C | January 26, 1942 |
| Greatest daily range (Difference of high and low) |
17.0 °C | February 8, 1942 |
| Greatest difference in daily high over two conscutive days |
14.3 °C | Jan 9–10, 1987 |
| Most daily precipitation | 10.4 cm | July 8, 1931 |
| Most monthly precipitation | 25.3 cm | July 1931 |
| Most yearly precipitation | 101.8 cm | 1974 |
| Most yearly days with precipitation | 223 | 1967 |
| Earliest freeze | October 23 | 2003 |
| Earliest day ≥ 20 °C | April 7 | 2019 |
| Earliest day ≥ 25 °C | May 9 | 1976 |
| Earliest day ≥ 30 °C | June 17 | 1968 |
| Latest freeze | April 25 | 1985 |
| Latest day ≥ 20 °C | October 2 | 2011 |
| Latest day ≥ 25 °C | September 15 | 2020 |
| Latest day ≥ 30 °C | August 27 | 2019 |
| Most days in a year < 0 °C | 116 | 1996 |
| Most days in a year ≥ 20 °C | 80 | 2018 |
| Most days in a year ≥ 25 °C | 29 | 2018 |
| Most days in a year ≥ 30 °C | 6 | 2020 |
|
Sylt Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 45 days | Nov 5 – Dec 19, 1974 |
| Without precipitation | 35 days | Jul 19 – Aug 22, 1995 |
| Freezing temperatures High temperature ≤ 0 °C |
30 days | Jan 10 – Feb 8, 1942 |
| High temperature ≥ 20 °C | 38 days | Jul 14 – Aug 20, 2003 |
| High temperature ≥ 25 °C | 12 days | Aug 6–17, 2020 |
| High temperature ≥ 30 °C | 5 days | Aug 7–11, 1975 |
| Years | Station | Coordinates |
|---|---|---|
| 1931–2024 | List/Sylt | location |