Lake Monterosi — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Monterosi, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Monterosi today is 21.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 | 22.1°C | 21.0°C | |
| JUN 4 | 21.7°C | 21.0°C | |
| JUN 5 | 21.7°C | 21.0°C | |
| JUN 6 | 21.6°C | 21.0°C | |
| JUN 7 | 21.6°C | 21.0°C | |
| JUN 8 | 21.7°C | 21.0°C | |
| JUN 10 | 21.7°C | 21.0°C | |
| JUN 11 | 21.0°C | 21.7°C | |
| JUN 12 | 21.0°C | 21.6°C | |
| JUN 13 | 21.0°C | 21.6°C | |
| JUN 14 | 21.0°C | 21.6°C | |
| JUN 15 | 21.0°C | 21.5°C | |
| JUN 16 | 21.0°C | 21.5°C | |
| JUN 17 | 21.0°C | 21.5°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 | 6°C | 10°C | 13°C |
| February | 6°C | 10°C | 13°C |
| March | 8°C | 12°C | 15°C |
| April | 10°C | 14°C | 18°C |
| May | 12°C | 18°C | 23°C |
| June | 16°C | 21°C | 26°C |
| July | 19°C | 24°C | 29°C |
| August | 19°C | 24°C | 29°C |
| September | 16°C | 21°C | 26°C |
| October | 13°C | 18°C | 21°C |
| November | 9°C | 13°C | 17°C |
| December | 6°C | 10°C | 13°C |
Lake Monterosi: Water Temperature by Location
Lake Monterosi: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Lago di Monterosi, a small volcanic lake north of Rome in Lazio, typically shows seasonal water temperatures that reflect its modest depth and Mediterranean climate. In winter the surface often falls to roughly 4–9 °C (39–48 °F). Spring brings a gradual rise to about 9–18 °C (48–64 °F) as air temperatures warm and sunlight increases. Peak summer temperatures commonly reach around 20–26 °C (68–79 °F), making the water comfortably warm on hot afternoons, while autumn sees a cooling trend back to roughly 12–18 °C (54–64 °F) before winter chill sets in. Local variations can occur from year to year depending on rainfall and seasonal heatwaves.
Swimming at Lago di Monterosi is generally possible, and people do enter the water for recreation in warmer months, but it is not a heavily managed public bathing facility. Whether swimming is permitted at a given access point can depend on local municipal rules, private property boundaries, and occasional restrictions tied to water quality or conservation measures; there are also few formal lifeguard services. Visitors are advised to check on-site signage or with local authorities before swimming and to be mindful of water quality advisories, shoreline conditions, and ecological protections that can affect access.