
This data the coastal Bosteri 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 Bosteri today is 6.6°C. Based on our historical data over a period of ten years, the warmest water in this day in Bosteri was recorded in 2024 and was 7.1°C, and the coldest was recorded in 2013 at 5.2°C. Water temperature in Bosteri is expected to drop to 5.9°C in the next 10 days. January average water temperature in Bosteri is 6.5°C, the minimum temperature is 4.6°C, and the maximum is 8.2°C.
The swimming season in Bosteri lasts from July to August. During those months, Bosteri water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Bosteri in winter reaches 6.7°C, in spring 9°C, in summer the average temperature rises to 19°C, and in autumn it is 14.9°C.
| 21 January 2026 |
|---|
| today temp |
| 6.6°C |
| 20 January 2026 |
|---|
| yesterday temp |
| 6.7°C |
Data in a table show Bosteri temperature today (21 January 2026). For more information and forecast for a few days, go to the weather forecast Bosteri.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| -11.1°C | -11°C | -10.9°C | -10.1°C |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| -2.5°C | -1.8°C | -7.9°C | -11.2°C |
You may also be interested in other sections of our site for Bosteri: Sunrise and Sunset
These figures shows the average, minimum and maximum monthly water temperature in Bosteri. 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 Bosteri 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 | 6.5°C | 4.6°C | 8.2°C | cold |
| Water temperature in Bosteri in January | ||||
| February | 5.4°C | 3.4°C | 7.2°C | cold |
| Water temperature in Bosteri in February | ||||
| March | 5.7°C | 4.2°C | 9.1°C | cold |
| Water temperature in Bosteri in March | ||||
| April | 8.5°C | 5.3°C | 13.6°C | cold |
| Water temperature in Bosteri in April | ||||
| May | 12.8°C | 8.5°C | 17.7°C | cold |
| Water temperature in Bosteri in May | ||||
| June | 16.6°C | 10.7°C | 20.4°C | cold |
| Water temperature in Bosteri in June | ||||
| July | 19.9°C | 17.2°C | 22.8°C | cold |
| Water temperature in Bosteri in July | ||||
| August | 20.5°C | 18.2°C | 23.1°C | warm |
| Water temperature in Bosteri in August | ||||
| September | 18.3°C | 15.2°C | 20.6°C | cold |
| Water temperature in Bosteri in September | ||||
| October | 15°C | 11.6°C | 18°C | cold |
| Water temperature in Bosteri in October | ||||
| November | 11.3°C | 8.6°C | 14.2°C | cold |
| Water temperature in Bosteri in November | ||||
| December | 8.3°C | 6.5°C | 11.2°C | cold |
| Water temperature in Bosteri in December | ||||
