Banja Luka — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Banja Luka, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Banja Luka today is 25.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUL 11 | 21.3°C | 20.3°C | |
| JUL 12 | 21.3°C | 20.3°C | |
| JUL 13 | 21.9°C | 20.3°C | |
| JUL 14 | 21.9°C | 20.3°C | |
| JUL 15 | 23.9°C | 20.3°C | |
| JUL 16 | 24.0°C | 20.3°C | |
| JUL 17 | 24.0°C | 20.3°C | |
| JUL 19 | 20.3°C | 25.2°C | |
| JUL 20 | 20.3°C | 25.0°C | |
| JUL 21 | 20.3°C | 24.7°C | |
| JUL 22 | 20.3°C | 24.5°C | |
| JUL 23 | 20.3°C | 24.2°C | |
| JUL 24 | 20.3°C | 23.9°C | |
| JUL 25 | 20.3°C | 23.7°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 3°C | 7°C | 10°C |
| February | 4°C | 8°C | 10°C |
| March | 6°C | 9°C | 12°C |
| April | 6°C | 11°C | 15°C |
| May | 10°C | 15°C | 20°C |
| June | 12°C | 18°C | 25°C |
| July | 15°C | 20°C | 26°C |
| August | 15°C | 19°C | 24°C |
| September | 12°C | 17°C | 21°C |
| October | 9°C | 13°C | 16°C |
| November | 4°C | 9°C | 13°C |
| December | 4°C | 7°C | 10°C |
Banja Luka: Weather Forecast
July 18
July 19
July 20
July 21
July 22
Location & Local Information
Banja Luka, located in northern Bosnia and Herzegovina, lies along the banks of the Vrbas River, which plays a central role in the city’s natural and cultural life. The Vrbas has a clear, fast flow and originates in the mountains, which affects its water temperature throughout the year. In spring, the water temperature ranges from 10 to 14 °C, while in summer it warms to 20–24 °C, reaching up to 25 °C in the calm sections during the hottest days. In autumn, the temperature drops to 14–18 °C, and in winter it often falls below 6 °C. Despite the river’s freshness, its clean water and picturesque canyon make it ideal for outdoor recreation.
Swimming in the Vrbas is allowed and quite popular in Banja Luka, especially in summer. The most visited spots are along calmer parts of the river, where the current is gentle and the temperature comfortable. During July and August, locals and visitors swim, sunbathe, and enjoy water sports like kayaking and rafting. The combination of mountain-fed coolness and urban accessibility makes the Vrbas an important symbol of Banja Luka’s lifestyle, offering both refreshment and adventure within the city’s natural setting.