Kalix River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Kalix River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Kalix River today is 18.3°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 14 | 18.1°C | 17.0°C | |
| JUL 15 | 18.9°C | 17.0°C | |
| JUL 16 | 18.9°C | 17.0°C | |
| JUL 17 | 18.7°C | 17.0°C | |
| JUL 18 | 18.9°C | 17.0°C | |
| JUL 19 | 18.7°C | 17.0°C | |
| JUL 20 | 18.7°C | 17.0°C | |
| JUL 21 | 18.4°C | 17.0°C | |
| JUL 22 | 17.0°C | 18.2°C | |
| JUL 23 | 17.0°C | 18.2°C | |
| JUL 24 | 17.0°C | 18.1°C | |
| JUL 25 | 17.0°C | 18.0°C | |
| JUL 26 | 17.0°C | 18.0°C | |
| JUL 27 | 17.0°C | 17.9°C | |
| JUL 28 | 17.0°C | 17.8°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 | 0°C | 0°C | 3°C |
| February | 0°C | 0°C | 3°C |
| March | 0°C | 0°C | 3°C |
| April | 0°C | 2°C | 4°C |
| May | 2°C | 7°C | 11°C |
| June | 8°C | 12°C | 17°C |
| July | 12°C | 17°C | 21°C |
| August | 10°C | 15°C | 19°C |
| September | 6°C | 10°C | 15°C |
| October | 0°C | 4°C | 7°C |
| November | 0°C | 0°C | 3°C |
| December | 0°C | 0°C | 3°C |
Kalix River: Water Temperature by Location
Kalix River: Weather Forecast
July 22
July 23
July 24
July 25
Location & Local Information
Mouth Gulf of Bothnia
• location Kalix
• coordinates 65°50′N 23°11′E
• elevation 0 m (0 ft)
Length 450 km (280 mi)
Kalix River (Swedish: Kalixälven) flows through Norrbotten County in northern Sweden and has a marked seasonal cycle in water temperature. In winter the river is often ice-covered and temperatures at the surface hover around 0 °C (32 °F) or slightly below under the ice. During spring thaw temperatures climb from roughly 2–8 °C (36–46 °F) as snowmelt feeds cold runoff. By early summer surface waters typically reach 8–15 °C (46–59 °F), with the warmest late-summer conditions often in the range 12–20 °C (54–68 °F) depending on weather and shallowness of local bays; in unusually warm years isolated spots may approach 20–22 °C (68–72 °F). Autumn brings a steady cooling back toward single digits and freezing conditions.
Swimming in Kalixälven is generally possible and practiced in suitable places during the ice-free months, largely because the river is accessible and used for recreation and the water quality is typically good. However, conditions vary: the river can have strong currents, cold deep channels, and remote stretches without lifeguards, so swimming is less suitable for casual bathing than sheltered lakes or designated beaches. Seasonal ice cover makes winter swimming unsafe without proper equipment and expertise. Local rules or protected-area restrictions can apply, so swimmers should choose sheltered spots, be cautious of currents and temperature shock, and follow any posted guidance.