Lake Idro — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Idro, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Idro today is 17.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 3 | 17.8°C | 20.0°C | |
| JUN 4 | 17.6°C | 20.0°C | |
| JUN 5 | 17.6°C | 20.0°C | |
| JUN 6 | 17.5°C | 20.0°C | |
| JUN 7 | 17.6°C | 20.0°C | |
| JUN 8 | 17.7°C | 20.0°C | |
| JUN 10 | 17.8°C | 20.0°C | |
| JUN 11 | 20.0°C | 17.9°C | |
| JUN 12 | 20.0°C | 18.0°C | |
| JUN 13 | 20.0°C | 18.1°C | |
| JUN 14 | 20.0°C | 18.2°C | |
| JUN 15 | 20.0°C | 18.4°C | |
| JUN 16 | 20.0°C | 18.5°C | |
| JUN 17 | 20.0°C | 18.6°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 | 8°C | 12°C |
| February | 4°C | 8°C | 11°C |
| March | 7°C | 11°C | 14°C |
| April | 9°C | 13°C | 17°C |
| May | 10°C | 15°C | 21°C |
| June | 14°C | 20°C | 25°C |
| July | 17°C | 22°C | 27°C |
| August | 17°C | 22°C | 27°C |
| September | 13°C | 19°C | 24°C |
| October | 11°C | 15°C | 19°C |
| November | 6°C | 10°C | 14°C |
| December | 5°C | 9°C | 12°C |
Lake Idro: Water Temperature by Location
Lake Idro: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Lake Idro (Italian: Lago d'Idro) is a small alpine lake in Lombardy whose water temperature varies noticeably with the seasons because of its elevation, depth and mountain-fed inflows. In winter the surface can drop to around 0–6 °C (32–43 °F), often feeling icy and sometimes approaching freezing in cold spells. Spring temperatures typically rise to roughly 6–16 °C (43–61 °F), while late spring and early autumn tend to be milder. In summer the lake warms most noticeably, with typical surface temperatures between about 18–25 °C (64–77 °F), occasionally slightly higher on calm, sunny days; deeper layers remain considerably colder year-round.
Swimming is permitted and popular at designated beaches and small harbors along the shoreline because the lake is accessible and monitored in peak season; local municipalities manage bathing areas and water quality is regularly checked. Visitors swim mainly in summer when surface temperatures are most comfortable, but should be aware of cool deep water, sudden weather changes and limited lifeguard coverage outside main bathing spots. Water sports such as windsurfing and sailing are common too, taking advantage of the lake’s clear water and scenic surroundings, so swimmers should heed local signage and seasonal advisories.