July
Weather in July
Sea temperature
In Heligoland, Germany, in July, the average water temperature is 17.4°C (63.3°F).Note: When the surface water temperature is 17.4°C (63.3°F), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 21°C (69.8°F).
Daylight
In Heligoland, the average length of the day in July is 16h and 34min.On the first day of the month, sunrise is at 05:00 and sunset at 22:04. On the last day of July, in Heligoland, sunrise is at 05:40 and sunset at 21:29 CEST.
Updated: Feb 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the sea water temperature in July in Heligoland?
In July, the average sea temperature is 17.4°C (63.3°F). For most, swimming in 17.4°C (63.3°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
What is the average length of the day in July in Heligoland?
The average day length in July in Heligoland, Germany, is 16h and 34min.
When is the sunrise / sunset in July in Heligoland?
In July, on the first day of the month, sunrise is at 05:00 and sunset at 22:04. On the last day of the month, in Heligoland, Germany, sunrise is at 05:40 and sunset at 21:29 CEST.
Average sea temperature in July
Heligoland, Germany
- Average sea temperature in July: 17.4°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest months (with the lowest average sea temperature) are January and February (4.4°C).
Average daylight in July
Heligoland, Germany
- Average daylight in July: 16h and 4min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
