Weather in July
Sea temperature
In Sennen, United Kingdom, the average seawater temperature in July is 16.6°C (61.9°F).Note: Swimming in 16.6°C (61.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
Daylight
In July, the average length of the day is 15h and 52min.On the first day of the month, sunrise is at 5:17 am and sunset at 9:35 pm. On the last day of July, in Sennen, sunrise is at 5:51 am and sunset at 9:06 pm BST.
Frequently asked questions
How cold is the water in July in Sennen?
In Sennen, United Kingdom, in July, the average water temperature is 16.6°C (61.9°F). For most, swimming in 16.6°C (61.9°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).
How many hours of daylight does Sennen have in July?
In July, the average day length in Sennen, United Kingdom, is 15h and 52min.
When are sunrise and sunset in July in Sennen?
In July, on the first day of the month, sunrise is at 5:17 am and sunset at 9:35 pm. On the last day of the month, in Sennen, United Kingdom, sunrise is at 5:51 am and sunset at 9:06 pm BST.
Average sea temperature in July
Sennen, United Kingdom
- Average sea temperature in July: 16.6°C
The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (9.7°C).
Average daylight in July
Sennen, United Kingdom
- Average daylight in July: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
Sennen, United Kingdom
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