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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
8.5°C
TODAY
10.8°C
YESTERDAY
12.2°C
A WEEK AGO
As of today, the minimum water temperature in Mainz ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used.
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 higher than the same day in previous years. The water temperature range here in November is from 5°C to 11°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
| Date | Current | Average | Forecast |
|---|---|---|---|
| Nov 8 | 12.2°C | 8.0°C | |
| Nov 9 | 12.3°C | 8.0°C | |
| Nov 10 | 11.5°C | 8.0°C | |
| Nov 11 | 11.4°C | 8.0°C | |
| Nov 12 | 11.0°C | 8.0°C | |
| Nov 13 | 11.2°C | 8.0°C | |
| Nov 14 | 10.8°C | 8.0°C | |
| Nov 15 | 10.7°C | 8.0°C | |
| Nov 16 | 8.0°C | 8.5°C | |
| Nov 17 | 8.0°C | 8.5°C | |
| Nov 18 | 8.0°C | 8.5°C | |
| Nov 19 | 8.0°C | 8.5°C | |
| Nov 20 | 8.0°C | 8.5°C | |
| Nov 21 | 8.0°C | 8.5°C | |
| Nov 22 | 8.0°C | 8.5°C | |
| Nov 23 | 8.0°C | 8.5°C |
Water Temperature Ranges in Mainz by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 5°C | 7°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 1°C | 4°C | 7°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 7°C | 11°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 12.8°C | 16°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 14°C | 16.8°C | 20°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 18°C | 22°C | 26°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 19°C | 23.5°C | 28°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 18°C | 23°C | 26°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 14°C | 19.5°C | 25°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 13°C | 16°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 5°C | 8°C | 11°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 5°C | 7°C |
Monthly Water Temperature Histogram for Rhine River in Mainz
Mainz Weather
NOVEMBER 16
9°C / 14°C
fograin: 36% | wind: 9 km/h
NOVEMBER 17
1°C / 10°C
overcastrain: 43% | wind: 16 km/h
NOVEMBER 18
-1°C / 6°C
mainly clearrain: 3% | wind: 5 km/h
NOVEMBER 19
-2°C / 3°C
overcastrain: 17% | wind: 4 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
Nearby Cities
Frequently Asked Questions About Mainz and its Water Temperatures
What is the current water temperature in Mainz?
The water temperature today in Mainz is 47°F (8.5°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.

