Sondrio — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Sondrio, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Sondrio today is 14.1°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 15 | 14.3°C | 17.8°C | |
| SEP 16 | 13.9°C | 17.8°C | |
| SEP 17 | 14.2°C | 17.8°C | |
| SEP 18 | 14.8°C | 17.8°C | |
| SEP 19 | 14.1°C | 17.8°C | |
| SEP 20 | 13.9°C | 17.8°C | |
| SEP 21 | 13.9°C | 17.8°C | |
| SEP 23 | 17.8°C | 14.3°C | |
| SEP 24 | 17.8°C | 14.5°C | |
| SEP 25 | 17.8°C | 14.7°C | |
| SEP 26 | 17.8°C | 14.8°C | |
| SEP 27 | 17.8°C | 15.0°C | |
| SEP 28 | 17.8°C | 15.2°C | |
| SEP 29 | 17.8°C | 15.4°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 | 2°C | 6°C | 9°C |
| February | 2°C | 6°C | 9°C |
| March | 4°C | 8°C | 10°C |
| April | 7°C | 11°C | 14°C |
| May | 9°C | 13°C | 18°C |
| June | 14°C | 18°C | 23°C |
| July | 15°C | 21°C | 27°C |
| August | 15°C | 21°C | 28°C |
| September | 12°C | 18°C | 24°C |
| October | 9°C | 12°C | 15°C |
| November | 5°C | 8°C | 11°C |
| December | 2°C | 6°C | 9°C |
Sondrio: Weather Forecast
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Sondrio (Italian: Sondrio) in Lombardy sits in the Valtellina valley and while the town itself is on the Adda River, the province includes access to alpine lakes such as the northern reaches of Lake Como and smaller bodies like Lake Mezzola. Surface water temperatures in these lakes vary by season: winter commonly sees 4–8 °C (39–46 °F), spring averages about 6–15 °C (43–59 °F) as the water slowly warms, summer surface temperatures typically reach 18–25 °C (64–77 °F) and can climb to around 26–27 °C (79–81 °F) during heat spells, and autumn cools to roughly 10–18 °C (50–64 °F). Deeper layers remain colder year‑round and cold influxes from mountain streams can lower temperatures near inlets.
Swimming is generally allowed and popular in summer at designated beaches and bays along Lake Como and Lake Mezzola, with local municipalities monitoring water quality and posting advisories when necessary. Restrictions or temporary bans can occur after heavy rain or if algal blooms are detected, and some ports and boating areas prohibit bathing for safety. Even in summer, the alpine setting means water can feel brisk and swimmers should be mindful of temperature contrast, currents, and any posted safety guidance.