All data are in degrees Fahrenheit

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Water temperature in Istria

Detailed information about the current water temperature in Istria. 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 Istria now

42.0

°F

December 22, 07:54

Trend:

stable

Yesterday:

42.0°F

Tomorrow:

41.9°F

Sunrise:

07:39

Sunset:

16:29

Day Length:

8 h. 50 min.

Istria in December

Minimum:

40.0°F

Average:

43.0°F

Maximum:

46.1°F

Sea water temperature in Istria today

As of now, in Istria, the water temperature is 42.0°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 3.9°F lower 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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 50.7°F on 2019, while the historical minimum was 42.9°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 41.2°F, the minimum temperature may reach 40.4°F, and the maximum might stay at 41.9°F.

Daily water temperature in Istria

Date Current Year

actual* / forecast**

last year 10 years average
Dec 8 48.6°F 49.4°F 48.9°F
Dec 9 47.5°F 49.4°F 48.7°F
Dec 10 47.1°F 49.4°F 48.8°F
Dec 11 45.4°F 48.4°F 48.5°F
Dec 12 45.4°F 47.8°F 48.2°F
Dec 13 45.6°F 48.3°F 47.9°F
Dec 14 44.9°F 48.2°F 47.7°F
Dec 15 44.3°F 47.8°F 47.4°F
Dec 16 42.4°F 47.3°F 46.7°F
Dec 17 43.3°F 46.7°F 46.4°F
Dec 18 40.9°F 46.3°F 46.3°F
Dec 19 41.0°F 45.3°F 46.0°F
Dec 20 42.7°F 45.3°F 46.0°F
Dec 21 42.0°F 44.7°F 45.9°F
Dec 22 42.0°F 45.1°F 45.9°F
Dec 23 41.9°F 45.5°F 45.8°F
Dec 24 41.9°F 45.6°F 45.8°F
Dec 25 41.6°F 44.4°F 45.5°F
Dec 26 41.3°F 44.9°F 45.2°F
Dec 27 41.1°F 45.3°F 45.0°F
Dec 28 40.4°F 42.9°F 44.3°F
Dec 29 40.4°F 43.8°F 44.3°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 Istria by month

In Istria, the months July through August offer comfortable swimming conditions, which amounts to 85 swimming days.
The warmest water in Istria was recorded on July 18, 2024, reaching a 84.0°F. While the coldest temperature occurred on February 19, 2017, dipping to 34.8°F. The average readings by season are 43.4°F in Winter, 53.4°F in Spring, 76.0°F in Summer, and 62.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Constanţa 50.6°F 27mi
Eforie Nord 51.5°F 35mi
Mangalia 50.7°F 52mi

* current water temperature in this city

** straight line distance from Istria