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Lys River

Lys River Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Lys 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 Lys River

14.4°C

TODAY

14.3°C

YESTERDAY

13.5°C

A WEEK AGO

As of today, the minimum water temperature in the Lys River ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.

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 Lys River Over the Last 30 Days

Today the water temperature in Lys River is lower than the same day in previous years. The water temperature range here in May is from 13°C to 19°C. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.

The forecasted water temperature values for Lys 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.

Daily Water Temperature Chart

DateCurrentAverageForecast
May 213.5°C15.7°C
May 313.5°C15.7°C
May 413.6°C15.7°C
May 513.7°C15.7°C
May 613.5°C15.7°C
May 714.3°C15.7°C
May 814.3°C15.7°C
May 914.4°C15.7°C
May 1015.7°C14.5°C
May 1115.7°C14.6°C
May 1215.7°C14.7°C
May 1315.7°C14.8°C
May 1415.7°C14.9°C
May 1515.7°C15.0°C
May 1615.7°C15.0°C
May 1715.7°C15.0°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 Lys River by Month

January

MinimumAverageMaximum
2°C4.5°C7°C

February

MinimumAverageMaximum
1°C4.5°C8°C

March

MinimumAverageMaximum
5°C8°C11°C

April

MinimumAverageMaximum
10°C12.5°C16°C

May

MinimumAverageMaximum
13°C15.7°C19°C

June

MinimumAverageMaximum
16°C19°C23°C

July

MinimumAverageMaximum
17°C20.4°C25°C

August

MinimumAverageMaximum
20°C23°C26°C

September

MinimumAverageMaximum
15°C17.5°C23°C

October

MinimumAverageMaximum
9°C12°C15°C

November

MinimumAverageMaximum
5°C8°C11°C

December

MinimumAverageMaximum
2°C4.5°C7°C

Monthly Water Temperature Histogram for Lys River

Water Temperature in Cities and Towns on Lys River

Thérouanne
France (Hauts-de-France)
12.5°C
Aire-sur-la-Lys
France (Hauts-de-France)
12.7°C
Merville
France (Hauts-de-France)
13.7°C
France (Hauts-de-France)
14.5°C
France (Hauts-de-France)
14.6°C
Belgium
14.7°C
Belgium
14.6°C
Belgium
14.8°C
Belgium
15.4°C
Belgium
14.7°C
Belgium
15.4°C
Belgium
15.6°C
Belgium
15.7°C

Lys River Weather

MAY 10

6°C / 23°C
clear sky

rain: 0% | wind: 14 km/h

MAY 11

10°C / 25°C
clear sky

rain: 12% | wind: 14 km/h

MAY 12

12°C / 25°C
moderate rain

rain: 47% | wind: 11 km/h

MAY 13

12°C / 21°C
light drizzle

rain: 39% | wind: 9 km/h

MAY 14

11°C / 23°C
overcast

rain: 6% | wind: 11 km/h

Water Temperature in Lys River: General Trends and Swimming Opportunities

Source:
• location Pas-de-Calais
• elevation 115 m (377 ft)
Mouth:
• location Scheldt
• coordinates 51°3′18″N 3°44′3″E
Length 202 km (126 mi)

The Lys River, which flows through both France and Belgium, offers several opportunities for swimming, particularly during the summer months. In the warmer season, the water temperature typically ranges between 18-22°C (64-72°F), which is comfortable for swimming in sections where the current is calm and the water is clean. Popular swimming areas can be found in quieter stretches of the river, where the flow is gentler, providing a safer and more enjoyable experience for swimmers. However, in some parts of the river, the current may be stronger, so it's important to exercise caution and check local conditions before entering the water. During the cooler months, the water temperature can drop significantly, making swimming less inviting. It’s always advisable to check the water quality and local regulations before swimming in the Lys.

Geographical Location of Lys River

Frequently Asked Questions About Lys River and its Water Temperatures

What is the current water temperature in Lys River?

The water temperature today in Lys River ranges from 55°F (12.5°C) to 60°F (15.7°C).

What is the water temperature in Lys River during the summer months?

The average water temperature in Lys River during the summer months is typically between 66°F to 73°F (19°C to 23°C), and it can reach up to 79°F (26°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Lys River in May?

The average water temperature in Lys River in May ranges from 55°F to 66°F (13°C to 19°C).

What is the water temperature in Lys River in September?

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

Where does Lys River flow?

Lys River flows through France (Hauts-de-France), Belgium.

Is it possible to swim in the Lys River?

Yes, it is possible to swim in the Lys River. However, the safety and cleanliness of the water can vary, so it's advisable to check local conditions and guidelines.

What major cities are located on Lys River?

Cities along the course of Lys River include Armentières (Hauts-de-France), Deinze, Gent, Halluin (Hauts-de-France), Kortrijk, Menen, Waregem, Wervik, Wevelgem, Zulte.