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Tonsberg

Water Temperature in the North Sea in Tonsberg, Norway: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Tonsberg in Norway, 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 Tonsberg

0.1°C

TODAY

0.8°C

YESTERDAY

2.4°C

A WEEK AGO

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the North Sea in Tonsberg is 0.1°C. Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters.

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.

Water Temperature Chart for North Sea in Tonsberg Over the Last 30 Days

The water temperature in Tonsberg today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.

According to our forecast, the sea temperature in Tonsberg will remain nearly unchanged in the coming days, its value will be 1.4°C.

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across Norway to enhance accuracy.

Water temperature data for Tonsberg and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.

Table of Daily Sea Temperature Data

DateCurrentAverageForecast
Feb 152.4°C3.0°C
Feb 162.4°C3.3°C
Feb 172.1°C2.8°C
Feb 182.1°C2.5°C
Feb 191.5°C2.3°C
Feb 201.5°C2.3°C
Feb 210.8°C2.0°C
Feb 220.5°C2.3°C
Feb 232.0°C0.3°C
Feb 242.0°C0.5°C
Feb 252.0°C0.7°C
Feb 262.0°C0.8°C
Feb 271.8°C0.9°C
Feb 282.0°C1.0°C
Mar 12.8°C1.2°C
Mar 23.3°C1.4°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Tonsberg Throughout the Year

Throughout the year, the sea temperature in Tonsberg exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 0 days, and exceeds 64°F (18°C) for 7 days.

Below is the annual chart of sea temperature changes in the North Sea in Tonsberg.

January

MinimumAverageMaximum
0°C3.5°C7°C

February

MinimumAverageMaximum
1°C3.5°C6°C

March

MinimumAverageMaximum
1°C3.5°C6°C

April

MinimumAverageMaximum
3°C6.5°C10°C

May

MinimumAverageMaximum
6°C10.5°C15°C

June

MinimumAverageMaximum
10°C15°C20°C

July

MinimumAverageMaximum
15°C18°C21°C

August

MinimumAverageMaximum
15°C18°C21°C

September

MinimumAverageMaximum
12°C15.5°C19°C

October

MinimumAverageMaximum
8°C11.5°C15°C

November

MinimumAverageMaximum
5°C8.5°C12°C

December

MinimumAverageMaximum
1°C5°C9°C

Monthly Water Temperature Histogram for North Sea in Tonsberg

You can explore detailed data on how the water temperature in Tonsberg varies each month:

What Beaches Are There In and Around Tonsberg?

Ringshaugstranda

Ringshaugstranda is a 3-stars pebble beach, located in a 5 km (3 miles) radius of Tonsberg. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking. There are restrooms. Ringshaugstranda is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.

Link to the location of the beach

Skallevold

Skallevold is a 2-stars pebble beach, located in a 6 km (4 miles) radius of Tonsberg. There is parking. There are restrooms.

Link to the location of the beach

Strand

Strand is a 1-stars sandy beach, located in a 8 km (5 miles) radius of Tonsberg.

Link to the location of the beach

Feskjar Friomrade

Feskjar Friomrade is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Tonsberg. There is parking. There are restrooms. It is suitable for surfing.

Link to the location of the beach

Asgardstrand Badeplass

Asgardstrand Badeplass is a 1-stars sandy beach, located in a 10 km (6 miles) radius of Tonsberg.

Link to the location of the beach

Tonsberg Weather

FEBRUARY 23

2°C / 4°C
overcast clouds: 85-100%

humidity: 96% | wind: 6 km/h

FEBRUARY 24

2°C / 4°C
light rain

humidity: 95% | wind: 3 km/h

FEBRUARY 25

2°C / 5°C
few clouds: 11-25%

humidity: 94% | wind: 2 km/h

FEBRUARY 26

-1°C / 1°C
scattered clouds: 25-50%

humidity: 93% | wind: 1 km/h

Vestfold County, NorwayVestfold County, NorwayVestfold County, Norway

Sea Temperature in the North Sea in Tonsberg: General Trends and Swimming Opportunities

Original name
Tønsberg
The Local Time
21:19
Time Zone
UTC+1
Sunrise
07:35
Sunset
17:29
Length of the day
9 h 53 m

Vestfold County, Norway, located on the coast, experiences a maritime climate with relatively mild winters and cool summers. It has increased precipitation throughout the year, with the largest rainfall usually occurring in late summer and autumn.

Tonsberg is located in Europe in the Northern Hemisphere at a latitude of 59 degrees, along the shores of the North Sea. Tonsberg lies within the Vestfold County in Norway.

The average annual daytime air temperature in Tonsberg is 10°C (50°F), with the average nighttime temperature being 3°C (37°F). The highest average daily temperature occurs in July, reaching 19°C (66°F), while the lowest is in January at 2°C (36°F). As for nighttime temperatures, the minimum average temperature of -5°C (23°F) is recorded in January, and the maximum is in July, reaching 13°C (55°F).

According to historical data, Tonsberg experiences 172 rainy days per year, which accounts for 47 percent of all days in the year. On average, there are 14 rainy days each month. The wettest month is November, with 16 rainy days and 81 mm (3.2 inches) of precipitation, while the driest month is May, which typically has 12 rainy days and only 53 mm (2.1 inches) of precipitation.

The average annual water temperature in North Sea in Tonsberg is 10°C (50°F). In January, the water reaches its lowest point of the year at 0°C (32°F), while in July, it peaks at 21°C (70°F). In Tonsberg, the water temperature in the North Sea never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Tonsberg

Frequently Asked Questions About Tonsberg and its Water Temperatures

What is the current sea temperature in Tonsberg?

The water temperature today in the North Sea in Tonsberg is 32°F (0.1°C).

In which months is the water temperature in Tonsberg comfortable for swimming?

It cannot be guaranteed that the water temperature in Tonsberg will be comfortable for swimming in any month of the year.

What is the water temperature in Tonsberg during the winter?

The water temperature in the North Sea in Tonsberg during the winter ranges from 0°C to 9°C (32°F to 48°F).

What is the water temperature in Tonsberg during the spring?

The water temperature in the North Sea in Tonsberg during the spring ranges from 1°C to 15°C (34°F to 59°F).

What is the water temperature in Tonsberg during the summer?

The water temperature in the North Sea in Tonsberg during the summer ranges from 10°C to 21°C (50°F to 70°F).

What is the water temperature in Tonsberg during the fall?

The water temperature in the North Sea in Tonsberg during the fall ranges from 5°C to 19°C (41°F to 66°F).

Is it possible to swim in the sea in Tonsberg at any time of the year?

The North Sea in Tonsberg is quite cool, and swimming is only possible in July, and August when the water temperature reaches 21°C (70°F).

Is Tonsberg a popular tourist destination for beach vacations?

Tonsberg has a moderate level of popularity for beach vacations; while it does receive some visitors, it is not among the top seaside destinations, as other locations may offer more favorable conditions.

What sea temperatures can I expect in Tonsberg in the next month?

In March, the water temperature in the North Sea in Tonsberg will range between 34°F (1°C) and 43°F (6°C)