April weather forecast
Þorlákshöfn, Iceland

April

Weather in April

As Þorlákshöfn transitions into spring, April brings a noteworthy rise in climatic conditions, with the sea temperature reaching an average of 6.3°C (43.3°F). Longer days become the norm, providing ample time for outdoor recreation and wildlife spotting. April is also a time when birds begin migrating back to Iceland, offering unique bird-watching opportunities. Still, weather variations can abruptly switch from snowy bursts to sun-filled days within a day's span.

Sea temperature

In April, the average sea temperature is 6.3°C (43.3°F).
Note: Swimming in 6.3°C (43.3°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.

Daylight

In Þorlákshöfn, the average length of the day in April is 15h and 7min.
On the first day of April in Þorlákshöfn, sunrise is at 06:41 and sunset at 20:17. On the last day of the month, sunrise is at 05:00 and sunset at 21:45 GMT.

Frequently asked questions

What is the water temperature in April?
In Þorlákshöfn, in April, the average water temperature is 6.3°C (43.3°F). Swimming in 6.3°C (43.3°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.
How many hours of daylight does Þorlákshöfn have in April?
In Þorlákshöfn, the average day length in April is 15h and 7min.
What time are sunrise and sunset in April?
On the first day of April, sunrise is at 06:41 and sunset at 20:17. On the last day of the month, sunrise is at 05:00 and sunset at 21:45 GMT.
Average sea temperature
Average daylight
Average sea temperature in April - Þorlákshöfn, Iceland
Average sea temperature in April
Þorlákshöfn, Iceland
  • Average sea temperature in April: 6.3°C

The best month for swimming (with the highest average sea temperature) is July (11.8°C).
The coldest month (with the lowest average sea temperature) is March (5.7°C).

Average daylight in April - Þorlákshöfn, Iceland
Average daylight in April
Þorlákshöfn, Iceland
  • Average daylight in April: 15h and 1min

The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 30min).

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