Sparren Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Sparren Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Sparren Lake today is 14.2°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 |
|---|---|---|---|
| SEP 14 | 15.6°C | 18.0°C | |
| SEP 15 | 15.5°C | 18.0°C | |
| SEP 16 | 15.3°C | 18.0°C | |
| SEP 17 | 15.0°C | 18.0°C | |
| SEP 18 | 14.7°C | 18.0°C | |
| SEP 19 | 14.6°C | 18.0°C | |
| SEP 20 | 14.4°C | 18.0°C | |
| SEP 22 | 18.0°C | 14.4°C | |
| SEP 23 | 18.0°C | 14.6°C | |
| SEP 24 | 18.0°C | 14.8°C | |
| SEP 25 | 18.0°C | 15.0°C | |
| SEP 26 | 18.0°C | 15.2°C | |
| SEP 27 | 18.0°C | 15.3°C | |
| SEP 28 | 18.0°C | 15.5°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 | 3°C | 6°C |
| February | 0°C | 3°C | 6°C |
| March | 0°C | 4°C | 7°C |
| April | 3°C | 8°C | 11°C |
| May | 7°C | 12°C | 18°C |
| June | 12°C | 18°C | 24°C |
| July | 15°C | 21°C | 27°C |
| August | 17°C | 22°C | 27°C |
| September | 12°C | 18°C | 23°C |
| October | 7°C | 11°C | 14°C |
| November | 3°C | 7°C | 10°C |
| December | 0°C | 4°C | 7°C |
Sparren Lake: Water Temperature by Location
Sparren Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Sparren, a small lake in Stockholm County, has water temperatures that follow the typical Nordic seasonal cycle. In winter the surface is usually at or close to 0 °C (32 °F) and often frozen, making ordinary swimming impractical. Spring sees a steady rise, with waters commonly between about 2–12 °C (36–54 °F) as snowmelt and warming air gradually heat the lake. Peak summer temperatures tend to fall in the 15–22 °C range (59–72 °F), and on warm, calm days shallow bays can reach the mid-20s °C (around 77 °F). During autumn the temperature typically drops again to roughly 8–15 °C (46–59 °F) as cooling air and shorter days reduce surface warmth.
Swimming in Sparren is normally allowed and practiced by locals during the ice-free months because the lake is accessible from its shores and used for recreation. However, permission in principle does not remove the need to heed local advisories: occasional algal blooms, bacterial contamination after heavy rain, or municipal restrictions can make bathing temporarily unsuitable. In winter formal ice-bathing may occur where people make a hole in the ice, but that requires proper equipment, experience and safety measures. As with any natural lake, swimmers should be aware of cold-water shock in early and late seasons, check current conditions, and follow local signage and rules.