Weathermondo.comHeligoland climate and temperatures
The climate of Heligoland is Temperate oceanic climate (Köppen: Cfb), with mild summers and precipitation throughout the year. Monthly temperatures range from a minimum of 6°C in winter (December–February) to a maximum of 21°C in summer (June–August). The average annual temperature is around 13°C.
During the winter months, nighttime temperatures can drop to an average of 3°C, while summer nights average around 16°C.
Climate table of Heligoland
The climate table below gives you a clear overview of the climate in Heligoland by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 14 | 16 | 17 | 19 | 23 | 27 | 30 | 30 | 27 | 23 | 18 | 16 |
| Temp. min (°C) | 6 | 7 | 9 | 11 | 15 | 19 | 22 | 22 | 19 | 15 | 10 | 7 |
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| Rainfall (mm) | 46 | 34 | 46 | 64 | 43 | 23 | 22 | 75 | 77 | 84 | 61 | 25 |
| UV index | 4 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 6 | 5 | 4 | 4 |
Best time to visit Heligoland
The best time to visit Heligoland is July en August. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between July and August, average high temperatures range roughly from 20°C to 21°C, while rainfall remains limited. The warmest month is August, with an average daytime temperature of around 21°C. The driest month is February, with about 55 mm of rainfall, while November is usually the wettest month of the year, with approximately 143 mm. Snow is rare here, but may occasionally fall in February, January, March, April en December.
Average temperature per month
This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Heligoland. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.
Average rainfall per month
This chart shows the average monthly rainfall in Heligoland. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.
Average UV index per month
This chart shows the average monthly sun intensity in Heligoland. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.
Average annual temperature
This chart shows the average annual temperature in Heligoland based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.
Average annual rainfall
This chart shows the average annual rainfall in Heligoland over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.
Weather experiences in Heligoland
The weather in Heligoland is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Heligoland? Share your experience with the weather to help other visitors plan their trip.
Average weather per month
Click on a month below and discover what the weather in Heligoland is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.