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Sea Temperature in Portoroz in January

Complete information on the sea temperature range in the Adriatic Sea in Portoroz in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Portoroz. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Portoroz in January

43°F

MINIMUN

50°F

AVERAGE

57°F

MAXIMUM

Historical Data of Water Temperature in January in Portoroz

Water Temperature Chart for Adriatic Sea in Portoroz in January

Sea Temperature Table in Portoroz in January Over the Past Years

Day202420232022Average
Jan 155°C52°C52°C53°C
Jan 255°C52°C52°C53°C
Jan 355°C52°C54°C54°C
Jan 455°C52°C52°C53°C
Jan 555°C52°C52°C53°C
Jan 655°C52°C52°C53°C
Jan 755°C52°C52°C53°C
Jan 855°C52°C50°C52°C
Jan 955°C52°C50°C52°C
Jan 1054°C52°C50°C52°C
Jan 1154°C52°C50°C52°C
Jan 1255°C52°C50°C52°C
Jan 1355°C52°C50°C53°C
Jan 1455°C52°C48°C52°C
Jan 1554°C52°C48°C51°C
Jan 1654°C52°C48°C52°C
Jan 1754°C52°C48°C51°C
Jan 1854°C52°C48°C51°C
Jan 1954°C52°C48°C51°C
Jan 2054°C50°C48°C51°C
Jan 2154°C52°C48°C51°C
Jan 2254°C50°C48°C51°C
Jan 2352°C52°C48°C51°C
Jan 2454°C50°C48°C51°C
Jan 2554°C50°C48°C51°C
Jan 2652°C50°C48°C50°C
Jan 2752°C50°C48°C50°C
Jan 2852°C50°C48°C51°C
Jan 2952°C50°C48°C50°C
Jan 3052°C50°C48°C50°C
Municipality of Piran, SloveniaMunicipality of Piran, SloveniaMunicipality of Piran, Slovenia

Portoroz Climate and Swimming Opportunities in January

45°F

Average Day Air Temperature

37°F

Average Night Air Temperature

2 in

Precipitation Amount per Month

8 days

Number of Rainy Days

9 hrs

Daylight
per Day

3 hrs

Sunshine
per Day

5 mph

Average Wind Speed

72%

Average
humidity

Portoroz lies within the Municipality of Piran in Slovenia. The average daytime temperature in Portoroz in January is 7°C (44°F), while the nighttime average is 3°C (37°F). There are typically eight rainy days during the month, with a total precipitation of 61 mm (2.4 inches). The daylight duration in January in Portoroz is 9 hours, with an average of 3 hours of sunshine per day. The average wind speed in January is 8 km/h (5 mph), and the humidity level is around 72%.

The water temperature in Portoroz in January ranges from 10°C to 12°C (50°F to 54°F). At the beginning of the month, the average temperature is around 12°C (54°F), shifting to 11°C (52°F) by mid-January and reaching 10°C (50°F) in the last ten days. Overall, the average sea temperature in Portoroz for January is 11°C (52°F). The water is still cold, but for short swims, it can be manageable. Warm clothes are necessary after swimming.

Frequently Asked Questions About Water Temperatures in January in Portoroz

What is the sea temperature in Portoroz in January?

The water temperature in the Adriatic Sea in Portoroz in January ranges from 10°C to 12°C (50°F to 54°F).

Is it possible to swim in the Adriatic Sea in Portoroz in January?

The average sea temperature in Portoroz in January is 11°C (52°F), and the air temperature is 7°C (44°F), so the water is still cold, but for short swims, it can be manageable. Warm clothes are necessary after swimming.