January weather forecast
Piran, Slovenia

Weather in January

Sea temperature

In January, the average sea temperature in Piran, Slovenia, is 10.3°C (50.5°F).
Note: Swimming in 10.3°C (50.5°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 January, the average length of the day in Piran is 9h and 11min.
On the first day of January, sunrise is at 07:45 and sunset at 16:32. On the last day of the month, sunrise is at 07:27 and sunset at 17:10 CET.
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FAQ

What is the sea water temperature in January in Piran?

In Piran, the average seawater temperature in January is 10.3°C (50.5°F). Swimming in 10.3°C (50.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Piran have in January?

In January, the average day length in Piran, Slovenia, is 9h and 11min.

When are sunrise and sunset in January in Piran?

On the first day of January in Piran, Slovenia, sunrise is at 07:45 and sunset at 16:32. On the last day of the month, sunrise is at 07:27 and sunset at 17:10 CET.

Average sea temperature in January
Piran, Slovenia

Average sea temperature in January - Piran, Slovenia
  • Average sea temperature in January: 10.3°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 January
Piran, Slovenia

Average daylight in January - Piran, Slovenia
  • Average daylight in January: 9h and 11min

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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