Lake Monaci — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Monaci, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Monaci today is 27.3°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays. 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 |
|---|---|---|---|
| AUG 24 | 27.4°C | 26.0°C | |
| AUG 25 | 27.4°C | 26.0°C | |
| AUG 26 | 27.3°C | 26.0°C | |
| AUG 27 | 27.4°C | 26.0°C | |
| AUG 28 | 27.5°C | 26.0°C | |
| AUG 29 | 27.4°C | 26.0°C | |
| AUG 30 | 27.4°C | 26.0°C | |
| AUG 31 | 27.3°C | 26.0°C | |
| SEP 1 | 23.0°C | 27.1°C | |
| SEP 2 | 23.0°C | 26.9°C | |
| SEP 3 | 23.0°C | 26.7°C | |
| SEP 4 | 23.0°C | 26.4°C | |
| SEP 5 | 23.0°C | 26.2°C | |
| SEP 6 | 23.0°C | 26.0°C | |
| SEP 7 | 23.0°C | 25.8°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 | 9°C | 13°C | 17°C |
| April | 12°C | 17°C | 20°C |
| May | 16°C | 21°C | 26°C |
| June | 18°C | 23°C | 28°C |
| July | 20°C | 25°C | 30°C |
| August | 21°C | 26°C | 32°C |
| September | 18°C | 23°C | 28°C |
| October | 14°C | 19°C | 22°C |
| November | 11°C | 15°C | 19°C |
| December | 6°C | 10°C | 13°C |
Lake Monaci: Water Temperature by Location
Lake Monaci: Weather Forecast
September 1
September 2
September 3
September 4
Location & Local Information
Lago dei Monaci in Lazio typically shows marked seasonal variation in surface water temperature. In winter the lake often cools to around 6–12 °C (43–54 °F), depending on cold snaps and depth. Spring brings a gradual rise, with temperatures commonly in the 10–18 °C (50–64 °F) range as air warms and daylight increases. By summer the shallows can reach comfortable levels, frequently between 20–26 °C (68–79 °F) and occasionally up to 27–28 °C (81–82 °F) during heat waves; deeper sections remain cooler. Autumn sees a steady decline, with waters typically falling back to 12–20 °C (54–68 °F) as the season progresses. Local wind, rainfall, and groundwater inflows can shift these ranges from year to year.
Swimming at Lago dei Monaci is possible in many seasons but is subject to local rules and natural conditions. In summer, when temperatures are warmest, recreational bathing is commonly practiced; however portions of the lake lie within protected or sensitive habitats where swimming may be restricted to preserve wildlife or prevent erosion. Water quality can also fluctuate after heavy rains, increasing the risk of contamination, so authorities sometimes advise against swimming on short notice. Visitors should follow posted signage and local guidance to ensure both personal safety and conservation of the site.