This data the coastal Trebinje water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Trebinje today is 17°C. Based on our historical data over a period of ten years, the warmest water in this day in Trebinje was recorded in 2023 and was 21°C, and the coldest 17°C. Water temperature in Trebinje is expected to rise to 17.2°C in the next 10 days. September average water temperature in Trebinje is 20.6°C, the minimum temperature is 15°C, and the maximum is 25°C.
The swimming season in Trebinje lasts from June to September. During those months, Trebinje water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Trebinje in winter reaches 6.4°C, in spring 12°C, in summer the average temperature rises to 23.7°C, and in autumn it is 16.3°C.
29 September 2025 |
---|
today temp |
17°C |
28 September 2025 |
---|
yesterday temp |
18°C |
Data in a table show Trebinje temperature today (29 September 2025). For more information and forecast for a few days, go to the weather forecast Trebinje.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
18°C | 17.6°C | 17.3°C | 19.9°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
21°C | 20.7°C | 19.2°C | 18.5°C |
You may also be interested in other sections of our site for Trebinje: Sunrise and Sunset
These figures shows the average, minimum and maximum monthly water temperature in Trebinje. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Trebinje on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 5.6°C | 3°C | 11°C | cold |
Water temperature in Trebinje in January | ||||
February | 5.8°C | 3°C | 10°C | cold |
Water temperature in Trebinje in February | ||||
March | 7.8°C | 3°C | 12°C | cold |
Water temperature in Trebinje in March | ||||
April | 11.4°C | 7°C | 17°C | cold |
Water temperature in Trebinje in April | ||||
May | 16.8°C | 13°C | 21°C | cold |
Water temperature in Trebinje in May | ||||
June | 21.6°C | 16°C | 27°C | warm |
Water temperature in Trebinje in June | ||||
July | 24.8°C | 21°C | 28°C | warm |
Water temperature in Trebinje in July | ||||
August | 24.6°C | 21°C | 27°C | warm |
Water temperature in Trebinje in August | ||||
September | 20.6°C | 15°C | 25°C | warm |
Water temperature in Trebinje in September | ||||
October | 16.3°C | 12°C | 21°C | cold |
Water temperature in Trebinje in October | ||||
November | 12.1°C | 6°C | 19°C | cold |
Water temperature in Trebinje in November | ||||
December | 7.7°C | 4°C | 12°C | cold |
Water temperature in Trebinje in December |