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Mainz

Water Temperature in Mainz in Rhine River: Current and Forecast

On this page, you will find comprehensive information about the water temperature in Mainz in Rhine River, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Mainz

19.9°C

TODAY

19.7°C

YESTERDAY

20.2°C

A WEEK AGO

As of today, the minimum water temperature in Mainz ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.

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.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Rhine River in Mainz Over the Last 30 Days

Today the water temperature in Mainz is lower than the same day in previous years. The water temperature range here in August is from 18°C to 26°C. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Mainz are presented in the table below.

The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.

Table of Daily Water Temperature Data

DateCurrentAverageForecast
Jul 2920.2°C23.5°C
Jul 3020.0°C23.5°C
Jul 3119.9°C23.5°C
Aug 119.3°C23.0°C
Aug 219.4°C23.0°C
Aug 319.7°C23.0°C
Aug 419.7°C23.0°C
Aug 519.9°C23.0°C
Aug 623.0°C20.1°C
Aug 723.0°C20.3°C
Aug 823.0°C20.5°C
Aug 923.0°C20.7°C
Aug 1023.0°C20.8°C
Aug 1123.0°C20.9°C
Aug 1223.0°C21.0°C
Aug 1323.0°C21.1°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Mainz by Month

January

MinimumAverageMaximum
3°C5°C7°C

February

MinimumAverageMaximum
1°C4°C7°C

March

MinimumAverageMaximum
3°C7°C11°C

April

MinimumAverageMaximum
10°C12.8°C16°C

May

MinimumAverageMaximum
14°C16.8°C20°C

June

MinimumAverageMaximum
18°C22°C26°C

July

MinimumAverageMaximum
19°C23.5°C28°C

August

MinimumAverageMaximum
18°C23°C26°C

September

MinimumAverageMaximum
17°C20°C25°C

October

MinimumAverageMaximum
10°C13°C16°C

November

MinimumAverageMaximum
5°C8°C11°C

December

MinimumAverageMaximum
3°C5°C7°C

Monthly Water Temperature Histogram for Rhine River in Mainz

Mainz Weather

AUGUST 5

12°C / 22°C
moderate rain

rain: 79% | wind: 14 km/h

AUGUST 6

11°C / 23°C
overcast

rain: 0% | wind: 5 km/h

AUGUST 7

13°C / 23°C
overcast

rain: 3% | wind: 8 km/h

AUGUST 8

15°C / 26°C
overcast

rain: 5% | wind: 19 km/h

Water Temperature in Mainz: General Trends and Swimming Opportunities

Mainz, located on the western bank of the Rhine River, is the capital of the state of Rhineland-Palatinate in Germany. The city's location at the confluence of the Rhine and Main rivers has made it a historically significant hub for trade and culture. Mainz offers beautiful riverfront promenades, and the Rhine plays a central role in both its economy and recreation.

Swimming in the Rhine near Mainz is possible, though it requires caution due to strong currents and shipping traffic. The city has several designated areas and nearby lakes where swimming is safer. The water temperature in the Rhine varies throughout the year, reaching between 20°C and 24°C (68°F to 75°F) during the summer months. In winter, the temperature drops to around 5°C to 8°C (41°F to 46°F), making the river too cold for most swimmers.

Geographical Location of Mainz

Frequently Asked Questions About Mainz and its Water Temperatures

What is the current water temperature in Mainz?

The water temperature today in Mainz is 68°F (19.9°C).

What is the water temperature in Mainz during the summer months?

The average water temperature in Mainz during the summer months is typically between 73°F to 74°F (23°C to 23°C), and it can reach up to 82°F (28°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Mainz in May?

The average water temperature in Mainz in May ranges from 57°F to 68°F (14°C to 20°C).

What is the water temperature in Mainz in September?

The average water temperature in Mainz in September is typically between 63°F to 77°F (17°C to 25°C).

Is it possible to swim in the Rhine River in Mainz, and what are the available options for doing so?

Yes, it is possible to swim in the Rhine River in Mainz. You can either swim independently or participate in organized swimming events.