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 26.6°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 | 26.7°C | 26.0°C | |
| AUG 25 | 26.7°C | 26.0°C | |
| AUG 26 | 26.7°C | 26.0°C | |
| AUG 27 | 26.9°C | 26.0°C | |
| AUG 28 | 26.9°C | 26.0°C | |
| AUG 29 | 26.8°C | 26.0°C | |
| AUG 30 | 28.3°C | 26.0°C | |
| AUG 31 | 26.6°C | 26.0°C | |
| SEP 1 | 23.0°C | 26.4°C | |
| SEP 2 | 23.0°C | 26.2°C | |
| SEP 3 | 23.0°C | 26.1°C | |
| SEP 4 | 23.0°C | 25.9°C | |
| SEP 5 | 23.0°C | 25.7°C | |
| SEP 6 | 23.0°C | 25.5°C | |
| SEP 7 | 23.0°C | 25.3°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
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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.