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Leiden

Water Temperature in Leiden in Oude Rijn River: Current and Forecast

On this page, you will find comprehensive information about the water temperature in Leiden in Oude Rijn 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 Leiden

11.6°C

TODAY

11.6°C

YESTERDAY

11.8°C

A WEEK AGO

As of today, the minimum water temperature in Leiden ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit 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 Oude Rijn River in Leiden Over the Last 30 Days

Today the water temperature in Leiden is higher than the same day in previous years. The water temperature range here in April is from 7°C to 13°C. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Leiden 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
Apr 1511.8°C10.0°C
Apr 1611.8°C10.0°C
Apr 1711.8°C10.0°C
Apr 1811.8°C10.0°C
Apr 1911.8°C10.0°C
Apr 2011.8°C10.0°C
Apr 2111.6°C10.0°C
Apr 2212.2°C10.0°C
Apr 2310.0°C11.4°C
Apr 2410.0°C11.3°C
Apr 2510.0°C11.2°C
Apr 2610.0°C11.1°C
Apr 2710.0°C11.0°C
Apr 2810.0°C10.9°C
Apr 2910.0°C10.8°C
Apr 3010.0°C10.7°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 Leiden by Month

January

MinimumAverageMaximum
3°C5°C7°C

February

MinimumAverageMaximum
3°C4.2°C5°C

March

MinimumAverageMaximum
3°C6°C9°C

April

MinimumAverageMaximum
7°C10°C13°C

May

MinimumAverageMaximum
12°C14.7°C18°C

June

MinimumAverageMaximum
14°C17.1°C21°C

July

MinimumAverageMaximum
17°C19.7°C25°C

August

MinimumAverageMaximum
16°C19.9°C22°C

September

MinimumAverageMaximum
15°C17.8°C23°C

October

MinimumAverageMaximum
11°C14°C17°C

November

MinimumAverageMaximum
6°C9°C12°C

December

MinimumAverageMaximum
3°C5°C7°C

Monthly Water Temperature Histogram for Oude Rijn River in Leiden

Known Beaches in the Area of Leiden?

Strandpaviljoen Zand

Strandpaviljoen Zand is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Leiden. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are restrooms. There are shops. There are cafés. Snorkeling is possible.

Katwijk

Katwijk is a 5-stars sandy beach, located in a 9 km (6 miles) radius of Leiden. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Katwijk is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Will Noord Beach Bungalows

Will Noord Beach Bungalows is a 4-stars sandy beach, located in a 9 km (6 miles) radius of Leiden. There are lifeguards on the beach. There is parking. There are restrooms. There are shops. There are cafés. Snorkeling is possible.

Strand Van Katwijk Aan Zee

Strand Van Katwijk Aan Zee is a 4-stars sandy beach, located in a 9 km (6 miles) radius of Leiden. There are lifeguards on the beach. There is parking. There are restrooms. There are shops. There are cafés.

Paal 14

Paal 14 is a 4-stars sandy beach, located in a 9 km (6 miles) radius of Leiden. There are lifeguards on the beach. There is parking. There are restrooms. There are shops. There are cafés. Snorkeling is possible.

Beachhouse Key West

Beachhouse Key West is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Leiden. There is parking. There are restrooms. There are shops. There are cafés. Snorkeling is possible.

Katwijk Aan Zee Beach

Katwijk Aan Zee Beach is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Leiden. For those who prefer clothing-optional beaches, Katwijk Aan Zee Beach is a designated nudist beach. There are restrooms. It is suitable for surfing.

Strandhus Katwijk

Strandhus Katwijk is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Leiden. There is parking. There are restrooms. There are shops. There are cafés.

Beach Wassenaarseslag

Beach Wassenaarseslag is a 4-stars sandy beach, located in a 10 km (6 miles) radius of Leiden. For those who prefer clothing-optional beaches, Beach Wassenaarseslag is a designated nudist beach. There is parking. There are restrooms. There are cafés. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Strand Wassenaarseslag

Strand Wassenaarseslag is a 4-stars sandy beach, located in a 10 km (6 miles) radius of Leiden. There are lifeguards on the beach. There is parking. There are restrooms. There are shops. There are cafés.

Leiden Weather

APRIL 23

7°C / 15°C
moderate drizzle

rain: 35% | wind: 16 km/h

APRIL 24

8°C / 16°C
slight rain

rain: 22% | wind: 20 km/h

APRIL 25

6°C / 12°C
overcast

rain: 22% | wind: 21 km/h

APRIL 26

6°C / 12°C
overcast

rain: 6% | wind: 14 km/h

Water Temperature in Leiden: General Trends and Swimming Opportunities

Leiden, a historic city in the Netherlands, is situated along the Oude Rijn River, which flows through the city before reaching the North Sea. The river's water temperature in Leiden is influenced by seasonal changes and the tidal nature of the river. During the summer months, the water temperature can range from 18°C to 22°C (64°F to 72°F), making it more comfortable for swimming, though some may still find it a bit cool. In contrast, during the colder months, the temperature can drop significantly, reaching around 4°C to 6°C (39°F to 43°F), which makes swimming in the river unsafe and uncomfortable.

While Leiden is known for its canals, which are often used for boat tours and other activities, the Oude Rijn River itself isn't a primary swimming destination. The river does have areas where people may swim during the summer, particularly in calmer sections with less boat traffic. However, swimmers should always check local water quality reports and be aware of safety conditions, as the river can have strong currents and be affected by tides, especially closer to the North Sea.

Geographical Location of Leiden

Frequently Asked Questions About Leiden and its Water Temperatures

What is the current water temperature in Leiden?

The water temperature today in Leiden is 53°F (11.6°C).

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

The average water temperature in Leiden during the summer months is typically between 63°F to 68°F (17°C to 20°C), and it can reach up to 77°F (25°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Leiden in May?

The average water temperature in Leiden in May ranges from 54°F to 64°F (12°C to 18°C).

What is the water temperature in Leiden in September?

The average water temperature in Leiden in September is typically between 59°F to 73°F (15°C to 23°C).

Is it possible to swim in the Oude Rijn River in Leiden, and what are the available options for doing so?

Yes, you can swim in the Oude Rijn River in Leiden. Swimming options include organized events like the Speedo City Swim Leiden, or independently at selected quiet stretches away from boat traffic.