This data the coastal Achen Lake water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Achen Lake today is 14°C. Based on our historical data over a period of ten years, the warmest water in this day in Achen Lake was recorded in 2023 and was 18°C, and the coldest 14°C. Water temperature in Achen Lake is expected to drop to 13.2°C in the next 10 days. September average water temperature in Achen Lake is 13.7°C, the minimum temperature is 5°C, and the maximum is 19°C.
Throughout the year, the water temperature in Achen Lake does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of June, July, August, the water temperature warms up to 20°C and above. The average water temperature in Achen Lake in winter reaches 2.9°C, in spring 7.1°C, in summer the average temperature rises to 16.6°C, and in autumn it is 9.5°C.
8 September 2025 |
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today temp |
14°C |
7 September 2025 |
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yesterday temp |
14°C |
Data in a table show Achen Lake temperature today (8 September 2025). For more information and forecast for a few days, go to the weather forecast Achen Lake.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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6.3°C | 5.7°C | 5.2°C | 19.9°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
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22°C | 20.8°C | 8.8°C | 6.7°C |
You may also be interested in other sections of our site for Achen Lake: Sunrise and Sunset
These figures shows the average, minimum and maximum monthly water temperature in Achen Lake. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Achen Lake on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 3°C | 1°C | 5°C | cold |
Water temperature in Achen Lake in January | ||||
February | 3.3°C | 1°C | 5°C | cold |
Water temperature in Achen Lake in February | ||||
March | 4.3°C | 2°C | 8°C | cold |
Water temperature in Achen Lake in March | ||||
April | 6.3°C | 3°C | 13°C | cold |
Water temperature in Achen Lake in April | ||||
May | 10.6°C | 7°C | 17°C | cold |
Water temperature in Achen Lake in May | ||||
June | 16°C | 10°C | 21°C | cold |
Water temperature in Achen Lake in June | ||||
July | 16.8°C | 13°C | 21°C | cold |
Water temperature in Achen Lake in July | ||||
August | 17°C | 12°C | 22°C | cold |
Water temperature in Achen Lake in August | ||||
September | 13.7°C | 5°C | 19°C | cold |
Water temperature in Achen Lake in September | ||||
October | 9.8°C | 3°C | 16°C | cold |
Water temperature in Achen Lake in October | ||||
November | 5.1°C | 3°C | 14°C | cold |
Water temperature in Achen Lake in November | ||||
December | 2.5°C | 1°C | 4°C | cold |
Water temperature in Achen Lake in December |