Weather in April
Sea temperature
In April, the average sea temperature in Portland, United Kingdom, is 10°C (50°F).Note: Caution: 10°C (50°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing.
Daylight
In April, the average length of the day is 13h and 50min.On the first day of April in Portland, United Kingdom, sunrise is at 6:44 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:28 pm BST.
Frequently asked questions
How cold is the water in April in Portland?
In Portland, United Kingdom, in April, the average water temperature is 10°C (50°F). Swimming in 10°C (50°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
What is the average length of the day in April in Portland?
The average day length in April is 13h and 50min.
When is the sunrise / sunset in April in Portland?
On the first day of April in Portland, United Kingdom, sunrise is at 6:44 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:28 pm BST.
Average sea temperature in April
Portland, United Kingdom
- Average sea temperature in April: 10°C
The best month for swimming (with the highest average sea temperature) is September (17.1°C).
The coldest month (with the lowest average sea temperature) is March (8.8°C).
Average daylight in April
Portland, United Kingdom
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
Portland, United Kingdom
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