Search for cities, countries, lakes and rivers
Harrström
Water Temperature in the Gulf of Bothnia in Harrström, Finland: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Harrström in Finland, 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 Harrström
15.1°C
TODAY
14.9°C
YESTERDAY
12.7°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Gulf of Bothnia in Harrström is 15.1°C. The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.
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 Gulf of Bothnia in Harrström Over the Last 30 Days
The water temperature in Harrström 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 Harrström will remain nearly unchanged in the coming days, its value will be 16.1°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 Finland to enhance accuracy.
Water temperature data for Harrström 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
Date | Current | Average | Forecast |
---|---|---|---|
Jul 11 | 12.7°C | 14.8°C | |
Jul 12 | 13.7°C | 14.8°C | |
Jul 13 | 13.0°C | 15.0°C | |
Jul 14 | 13.0°C | 16.0°C | |
Jul 15 | 14.5°C | 15.8°C | |
Jul 16 | 14.1°C | 15.8°C | |
Jul 17 | 14.9°C | 16.3°C | |
Jul 18 | 14.9°C | 16.5°C | |
Jul 19 | 16.3°C | 15.2°C | |
Jul 20 | 16.8°C | 15.4°C | |
Jul 21 | 16.3°C | 15.5°C | |
Jul 22 | 16.3°C | 15.6°C | |
Jul 23 | 16.8°C | 15.7°C | |
Jul 24 | 16.5°C | 15.8°C | |
Jul 25 | 17.3°C | 16.0°C | |
Jul 26 | 17.3°C | 16.1°C |
Sea Temperature in Harrström Throughout the Year
Throughout the year, the sea temperature in Harrström exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 0 days, and exceeds 64°F (18°C) for 2 days.
Below is the annual chart of sea temperature changes in the Gulf of Bothnia in Harrström.

January
Minimum | Average | Maximum |
---|---|---|
-2°C | 1°C | 4°C |
February
Minimum | Average | Maximum |
---|---|---|
-1°C | 0°C | 1°C |
March
Minimum | Average | Maximum |
---|---|---|
-1°C | 0°C | 1°C |
April
Minimum | Average | Maximum |
---|---|---|
-1°C | 1°C | 3°C |
May
Minimum | Average | Maximum |
---|---|---|
0°C | 5°C | 10°C |
June
Minimum | Average | Maximum |
---|---|---|
6°C | 11°C | 16°C |
July
Minimum | Average | Maximum |
---|---|---|
11°C | 16.5°C | 22°C |
August
Minimum | Average | Maximum |
---|---|---|
13°C | 16.5°C | 20°C |
September
Minimum | Average | Maximum |
---|---|---|
7°C | 12.5°C | 18°C |
October
Minimum | Average | Maximum |
---|---|---|
2°C | 8°C | 14°C |
November
Minimum | Average | Maximum |
---|---|---|
1°C | 5°C | 9°C |
December
Minimum | Average | Maximum |
---|---|---|
0°C | 3°C | 6°C |
Monthly Water Temperature Histogram for Gulf of Bothnia in Harrström
You can explore detailed data on how the water temperature in Harrström varies each month:
Harrström Weather
JULY 19
15°C / 25°C
clear skyhumidity: 60% | wind: 3 km/h
JULY 20
17°C / 27°C
clear skyhumidity: 57% | wind: 3 km/h
JULY 21
17°C / 25°C
clear skyhumidity: 63% | wind: 2 km/h
JULY 22
17°C / 26°C
overcast clouds: 85-100%humidity: 62% | wind: 2 km/h



Sea Temperature in the Gulf of Bothnia in Harrström: General Trends and Swimming Opportunities
The coastal climate in the Western Finland Province is a subarctic climate categorized by cold, sometimes severe winters and warm, short summers. It's influenced by both its proximity to the Baltic Sea and Gulf of Bothnia, resulting in considerable dampness and many cloudy days.
Harrström is located in Europe in the Northern Hemisphere at a latitude of 63 degrees, along the shores of the Gulf of Bothnia. Harrström lies within the Western Finland Province in Finland.
The average annual daytime air temperature in Harrström is 8°C (46°F), with the average nighttime temperature being 2°C (36°F). The highest average daily temperature occurs in July, reaching 22°C (72°F), while the lowest is in February at -4°C (25°F). As for nighttime temperatures, the minimum average temperature of -8°C (18°F) is recorded in February, and the maximum is in July, reaching 13°C (55°F).
According to historical data, Harrström experiences 124 rainy days per year, which accounts for 34 percent of all days in the year. On average, there are 10 rainy days each month. The wettest month is December, with 12 rainy days and 62 mm (2.4 inches) of precipitation, while the driest month is April, which typically has 8 rainy days and only 32 mm (1.3 inches) of precipitation.
The average annual water temperature in Gulf of Bothnia in Harrström is 7°C (45°F). In January, the water reaches its lowest point of the year at -2°C (28°F), while in July, it peaks at 22°C (72°F). In Harrström, the water temperature in the Gulf of Bothnia never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Harrström
Frequently Asked Questions About Harrström and its Water Temperatures
What is the current sea temperature in Harrström?
The water temperature today in the Gulf of Bothnia in Harrström is 59°F (15.1°C).
In which months is the water temperature in Harrström comfortable for swimming?
It cannot be guaranteed that the water temperature in Harrström will be comfortable for swimming in any month of the year.
What is the water temperature in Harrström during the winter?
The water temperature in the Gulf of Bothnia in Harrström during the winter ranges from -2°C to 6°C (28°F to 43°F).
What is the water temperature in Harrström during the spring?
The water temperature in the Gulf of Bothnia in Harrström during the spring ranges from -1°C to 10°C (30°F to 50°F).
What is the water temperature in Harrström during the summer?
The water temperature in the Gulf of Bothnia in Harrström during the summer ranges from 6°C to 22°C (43°F to 72°F).
What is the water temperature in Harrström during the fall?
The water temperature in the Gulf of Bothnia in Harrström during the fall ranges from 1°C to 18°C (34°F to 64°F).
Is it possible to swim in the sea in Harrström at any time of the year?
The Gulf of Bothnia in Harrström is quite cool, and swimming is only possible in , and July when the water temperature reaches 21°C (70°F).
What sea temperatures can I expect in Harrström in the next month?
In August, the water temperature in the Gulf of Bothnia in Harrström will range between 55°F (13°C) and 68°F (20°C)