All data are in degrees Fahrenheit

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Slovenia > Piran

Water temperature in Piran

Detailed information about the current water temperature in Piran. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Piran now

56.5

°F

December 15, 02:51

Trend:

decreasing

Yesterday:

56.7°F

Tomorrow:

56.4°F

Sunrise:

07:39

Sunset:

16:23

Day Length:

8 h. 44 min.

Piran in December

Minimum:

49.6°F

Average:

52.3°F

Maximum:

55.2°F

Sea water temperature in Piran today

As of now, in Piran, the water temperature is 56.5°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.5°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 58.2°F on 2019, while the historical minimum was 54.2°F on 2021.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 55.9°F, the minimum temperature may reach 55.5°F, and the maximum might stay at 56.4°F.

Daily water temperature in Piran

Date Current Year

actual* / forecast**

 last year 10 years average
Dec 1 57.1°F 59.9°F 58.7°F
Dec 2 57.1°F 59.5°F 58.3°F
Dec 3 57.4°F 60.0°F 58.3°F
Dec 4 57.5°F 59.3°F 58.0°F
Dec 5 57.4°F 60.1°F 57.8°F
Dec 6 57.8°F 59.5°F 57.8°F
Dec 7 57.5°F 58.3°F 57.6°F
Dec 8 57.9°F 58.7°F 57.4°F
Dec 9 57.5°F 58.1°F 57.1°F
Dec 10 56.9°F 58.3°F 56.9°F
Dec 11 56.2°F 58.5°F 56.9°F
Dec 12 56.0°F 58.1°F 56.7°F
Dec 13 56.5°F 57.9°F 56.4°F
Dec 14 56.7°F 57.2°F 56.2°F
Dec 15 56.5°F 56.9°F 56.1°F
Dec 16 56.4°F 56.4°F 55.9°F
Dec 17 56.1°F 55.7°F 55.6°F
Dec 18 56.0°F 55.4°F 55.5°F
Dec 19 55.9°F 55.3°F 55.4°F
Dec 20 55.8°F 55.2°F 55.4°F
Dec 21 55.9°F 55.9°F 55.4°F
Dec 22 55.5°F 54.6°F 55.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Piran by month

January

February

March

April

May

June

July

August

September

October

November

December

In Piran, the months June through September offer comfortable swimming conditions, which amounts to 100 swimming days.
The warmest water in Piran was recorded on July 23, 2015, reaching a 85.5°F. While the coldest temperature occurred on March 9, 2018, dipping to 47.3°F. The average readings by season are 52.3°F in Winter, 57.0°F in Spring, 77.1°F in Summer, and 68.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Trieste 56.2°F 13mi
Poreč 57.9°F 21mi
Lignano Sabbiadoro 48.0°F 24mi
Rovinj 58.2°F 31mi
Caorle 49.1°F 34mi
Lovran 56.7°F 38mi
Rabac 56.2°F 42mi
Rijeka 56.6°F 44mi
Lido di Jesolo 49.9°F 45mi

* current water temperature in this city

** straight line distance from Piran