Sandviken — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Sandviken, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Sandviken today is 18.8°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 |
|---|---|---|---|
| JUN 23 | 16.3°C | 17.0°C | |
| JUN 24 | 16.3°C | 17.0°C | |
| JUN 25 | 16.3°C | 17.0°C | |
| JUN 26 | 17.4°C | 17.0°C | |
| JUN 27 | 17.4°C | 17.0°C | |
| JUN 28 | 17.4°C | 17.0°C | |
| JUN 29 | 18.3°C | 17.0°C | |
| JUN 30 | 18.8°C | 17.0°C | |
| JUL 1 | 18.0°C | 18.8°C | |
| JUL 2 | 18.0°C | 18.7°C | |
| JUL 3 | 18.0°C | 18.7°C | |
| JUL 4 | 18.0°C | 18.6°C | |
| JUL 5 | 18.0°C | 18.6°C | |
| JUL 6 | 18.0°C | 18.6°C | |
| JUL 7 | 18.0°C | 18.5°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 | 2°C | 5°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 1°C | 5°C | 8°C |
| May | 6°C | 11°C | 16°C |
| June | 12°C | 17°C | 22°C |
| July | 13°C | 18°C | 23°C |
| August | 14°C | 19°C | 24°C |
| September | 11°C | 16°C | 21°C |
| October | 5°C | 9°C | 12°C |
| November | 1°C | 5°C | 8°C |
| December | 0°C | 3°C | 6°C |
Sandviken: Weather Forecast
July 1
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July 4
Location & Local Information
Sandviken, in Gävleborg County, experiences typical inland Swedish water temperatures that vary with the seasons. In summer (June–August) lake surface temperatures commonly range from about 16–24 °C (61–75 °F), with occasional heat spells pushing values to 25–26 °C (77–79 °F). Rivers tend to stay cooler in summer, roughly 12–18 °C (54–64 °F), because flowing water mixes and loses heat more quickly. Spring (April–May) sees lakes warming from near 0 °C (32 °F) as ice breaks up to around 8–10 °C (46–50 °F), while rivers often register 2–8 °C (36–46 °F). During autumn (September–October) lake temperatures typically fall to about 6–15 °C (43–59 °F) and rivers to roughly 6–12 °C (43–54 °F). In winter many lakes freeze and surface temperatures are at or below 0 °C (32 °F); unfrozen river stretches often hover close to 0–4 °C (32–39 °F).
Swimming in Sandviken’s lakes and rivers is generally possible and is commonly enjoyed at designated bathing areas along lakeshores during the summer months. Designated sites are normally monitored for bacterial and algal conditions in the warmer season, which is why public swimming is permitted there; however, rivers can present stronger currents and more variable water quality, so swimming is more situational and should be approached with caution. In winter open-water swimming is uncommon because of ice and low temperatures, though supervised ice-bathing activities do take place among experienced participants.