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Helsinki in July

Find out everything about the water temperature in Helsinki in July. Average, minimum and maximum recorded temperatures as well as daily temperature in July for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in July
Minimum:

51.6 °F

Average:

61.9 °F

Maximum:

75.7 °F

Sea water temperature in Helsinki in July

In the city of Helsinki, the month of July is somewhat too cool for swimming. The minimum recorded temperature during this month was 51.6°F on July 3, 2017, with an average temperature being 61.9°F and a maximum temperature reaching 75.7°F on July 17, 2021.

Most people would find such water temperature somewhat too cold for swimming. Throughout the month of July, the sea temperature gradually gets warmer. Starting with an average temperature of 59.8°F at the beginning of the month, it steadily increases to around 63.6°F by the end.
Date 10 years average 2023 2022
Jul 1 59.5°F 65.1°F 65.6°F
Jul 2 59.4°F 65.5°F 66.1°F
Jul 3 59.8°F 65.9°F 65.8°F
Jul 4 60.1°F 65.4°F 68.0°F
Jul 5 60.4°F 64.9°F 67.9°F
Jul 6 60.1°F 63.1°F 67.6°F
Jul 7 59.6°F 61.7°F 65.6°F
Jul 8 59.5°F 61.9°F 65.2°F
Jul 9 59.5°F 61.3°F 64.2°F
Jul 10 60.4°F 58.6°F 63.6°F
Jul 11 60.5°F 57.7°F 64.3°F
Jul 12 60.5°F 57.6°F 64.9°F
Jul 13 60.6°F 59.0°F 64.1°F
Jul 14 61.0°F 61.1°F 63.0°F
Jul 15 61.6°F 61.0°F 62.6°F
Jul 16 62.8°F 61.4°F 62.6°F
Jul 17 63.1°F 59.3°F 62.3°F
Jul 18 63.5°F 60.9°F 61.8°F
Jul 19 63.3°F 59.6°F 62.2°F
Jul 20 62.8°F 59.0°F 60.4°F
Jul 21 62.9°F 59.9°F 58.2°F
Jul 22 63.0°F 58.9°F 59.5°F
Jul 23 62.5°F 57.8°F 60.1°F
Jul 24 63.9°F 57.7°F 59.8°F
Jul 25 64.0°F 56.8°F 61.1°F
Jul 26 63.8°F 56.6°F 60.2°F
Jul 27 64.2°F 55.7°F 61.4°F
Jul 28 64.3°F 55.9°F 60.9°F
Jul 29 64.3°F 56.6°F 60.3°F
Jul 30 63.8°F 56.1°F 59.8°F
Jul 31 63.2°F 55.0°F 59.7°F

Sea water temperature in Helsinki by month

In an average year, Helsinki offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Helsinki was recorded on July 17, 2021, reaching a 75.7°F. While the coldest temperature occurred on January 8, 2022, dipping to 32.0°F. The average readings by season are 35.2°F in Winter, 38.2°F in Spring, 60.0°F in Summer, and 50.9°F in Autumn. The average temperature in July is slightly warmer than June's average of 55.2°F. And in August, the temperature is expected to rise further, potentially reaching an average of 62.8°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Porvoo 47.9°F 29mi
Maardu 45.8°F 49mi
Tallinn 45.8°F 51mi
Loo 45.8°F 51mi
Paldiski 47.9°F 64mi

* current water temperature in this city

** straight line distance from Helsinki