April weather forecast
Piran, Slovenia

Weather in April

Sea temperature

In Piran, Slovenia, in April, the average water temperature is 13.1°C (55.6°F).
Note: Swimming in 13.1°C (55.6°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.

Daylight

In April, the average length of the day is 13h and 32min.
On the first day of April, sunrise is at 06:45 and sunset at 19:33. On the last day of the month, sunrise is at 05:55 and sunset at 20:10 CEST.
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FAQ

How cold is the water in April in Piran?

In Piran, Slovenia, the average seawater temperature in April is 13.1°C (55.6°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in April in Piran?

In Piran, the average day length in April is 13h and 32min.

When are sunrise and sunset in April in Piran?

On the first day of April in Piran, Slovenia, sunrise is at 06:45 and sunset at 19:33. On the last day of the month, sunrise is at 05:55 and sunset at 20:10 CEST.

Average sea temperature in April
Piran, Slovenia

Average sea temperature in April - Piran, Slovenia
  • Average sea temperature in April: 13.1°C

The best months for swimming (with the highest average sea temperature) are July and August (24.8°C).
The coldest month (with the lowest average sea temperature) is February (9.3°C).

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Average daylight in April
Piran, Slovenia

Average daylight in April - Piran, Slovenia
  • Average daylight in April: 13h and 32min

The month with the longest days is June (Average daylight: 15h and 38min).
The month with the shortest days is December (Average daylight: 8h and 47min).

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