Lago di Guardialfiera — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lago di Guardialfiera, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lago di Guardialfiera today is 21.8°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 | 22.2°C | 23.0°C | |
| JUN 4 | 21.7°C | 23.0°C | |
| JUN 5 | 21.6°C | 23.0°C | |
| JUN 6 | 21.6°C | 23.0°C | |
| JUN 7 | 21.6°C | 23.0°C | |
| JUN 8 | 21.7°C | 23.0°C | |
| JUN 10 | 21.8°C | 23.0°C | |
| JUN 11 | 23.0°C | 21.9°C | |
| JUN 12 | 23.0°C | 21.9°C | |
| JUN 13 | 23.0°C | 22.0°C | |
| JUN 14 | 23.0°C | 22.0°C | |
| JUN 15 | 23.0°C | 22.1°C | |
| JUN 16 | 23.0°C | 22.2°C | |
| JUN 17 | 23.0°C | 22.2°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 | 10°C | 16°C | 20°C |
| May | 15°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 | 10°C | 15°C | 19°C |
| December | 6°C | 10°C | 13°C |
Lago di Guardialfiera: Water Temperature by Location
Lago di Guardialfiera: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Lago di Guardialfiera, an artificial reservoir in Molise, experiences marked seasonal variation in surface water temperature. In winter months the surface commonly falls to about 4–8 °C (39–46 °F), while spring sees a gradual rise into the range of roughly 8–18 °C (46–64 °F). During the warmest part of summer surface temperatures typically reach about 20–26 °C (68–79 °F), occasionally a degree or two higher during heat waves, before cooling again in autumn to roughly 15–20 °C (59–68 °F). As with many reservoirs, deeper layers remain substantially colder year-round, and thermal stratification can produce a warm surface veneer above cooler, stagnant depths.
Swimming at Lago di Guardialfiera is commonly practiced and generally allowed in suitable, designated areas because summer surface temperatures are often comfortable for bathing. However, access and safety depend on local regulations, water-quality monitoring and the presence of boat traffic, so some zones—particularly near the dam, intake structures or busy boating areas—are restricted. The lake’s depth, sudden drop-offs and underwater vegetation can present hazards, and authorities may close bathing areas if monitoring indicates contamination or unsafe conditions. For a safe experience, swimmers should use marked beaches or supervised spots and heed local signage and guidance.