Acheron River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Acheron River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Acheron River today is 22°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 | 21.3°C | 20.0°C | |
| JUN 4 | 21.2°C | 20.0°C | |
| JUN 5 | 21.2°C | 20.0°C | |
| JUN 6 | 21.3°C | 20.0°C | |
| JUN 7 | 21.3°C | 20.0°C | |
| JUN 8 | 21.4°C | 20.0°C | |
| JUN 11 | 20.0°C | 21.9°C | |
| JUN 12 | 20.0°C | 21.8°C | |
| JUN 13 | 20.0°C | 21.7°C | |
| JUN 14 | 20.0°C | 21.6°C | |
| JUN 15 | 20.0°C | 21.5°C | |
| JUN 16 | 20.0°C | 21.4°C | |
| JUN 17 | 20.0°C | 21.3°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 | 9°C | 12°C |
| February | 6°C | 9°C | 12°C |
| March | 9°C | 12°C | 15°C |
| April | 9°C | 13°C | 17°C |
| May | 10°C | 15°C | 21°C |
| June | 16°C | 20°C | 25°C |
| July | 18°C | 23°C | 27°C |
| August | 18°C | 23°C | 27°C |
| September | 18°C | 22°C | 27°C |
| October | 14°C | 18°C | 20°C |
| November | 11°C | 15°C | 18°C |
| December | 7°C | 11°C | 14°C |
Acheron River: Water Temperature by Location
Acheron River: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Source:
• location Ioannina regional unit, Epirus
Mouth:
• location Ionian Sea
• coordinates 39°14′10″N 20°28′34″E
Length 52 km (32 mi)
The Acheron (Αχέρων) in Epirus is a mountain-fed river whose water remains relatively cool year-round because of spring sources and shaded gorges. Typical seasonal temperatures vary: in winter the river often measures around 4–8 °C (39–46 °F), spring temperatures usually rise to about 8–14 °C (46–57 °F), summer can bring the warmest stretches to roughly 12–18 °C (54–64 °F) in sheltered pools, and autumn sees a return toward 8–14 °C (46–57 °F). Local conditions such as recent rainfall, snowmelt and the depth of specific pools can change these values, so temperatures at particular swimming spots may differ from the general ranges.
Swimming is permitted in many accessible parts of the Acheron, and visitors often bathe in clear pools near the springs and calmer stretches, but it is not uniformly recommended everywhere. Cold water temperatures, strong currents in narrower reaches, submerged rocks and variable flow after rain create hazards; these factors, together with occasional local restrictions to protect ecosystems, mean caution is necessary. Many people enjoy short dips or supervised activities like rafting and guided swims with life jackets, but prolonged immersion can risk hypothermia. It is sensible to check local advice, observe signage, and favor designated or frequently used swimming spots.