Weather in January
In Espoo, Finland, in January, the average water temperature is 0.9°C (33.6°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in January »
Weather in February
In Espoo, Finland, the average seawater temperature in February is 0.2°C (32.4°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in February »
Weather in March
The month with the coldest seawater in Espoo, Finland, is March, with an average sea temperature of 0.1°C (32.2°F). Note: For swimming, this is considered life-threatening and very dangerous. Weather in March »
Weather in April
In Espoo, Finland, in April, the average water temperature is 1.6°C (34.9°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in April »
Weather in May
In May, the average sea temperature in Espoo, Finland, is 6.8°C (44.2°F). Note: Swimming in 6.8°C (44.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in May »
Weather in June
In June, the average sea temperature in Espoo, Finland, is 13.2°C (55.8°F). Note: Swimming in 13.2°C (55.8°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in June »
Weather in July
In Espoo, Finland, the average seawater temperature in July is 18.4°C (65.1°F). Note: For most, swimming in 18.4°C (65.1°F) is not an enjoyable activity. Weather in July »
Weather in August
With an average sea temperature of 18.7°C (65.7°F), August is the month with the warmest seawater in Espoo, Finland. Note: For most, swimming in 18.7°C (65.7°F) is not an enjoyable activity. Weather in August »
Weather in September
In Espoo, Finland, in September, the average water temperature is 15.4°C (59.7°F). Note: For swimming, a surface water temperature of 15.4°C (59.7°F) is not enjoyable for the majority. Weather in September »
Weather in October
In October, the average sea temperature in Espoo, Finland, is 10.4°C (50.7°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in October »
Weather in November
In Espoo, Finland, the average seawater temperature in November is 6.8°C (44.2°F). Note: Swimming in 6.8°C (44.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in November »
Weather in December
In December, the average sea temperature in Espoo, Finland, is 4°C (39.2°F). Note: For swimming, this is considered life-threatening and very dangerous. Weather in December »
[Resources]FAQ
When is the sea coldest in Espoo?
With an average sea temperature of 0.1°C (32.2°F), March is the month with the coldest seawater.
When is Daylight Saving Time (DST) in Espoo?
On Sunday, 26. March 2023, at 03:00, Daylight Saving Time starts, and the time zone changes from EET to EEST. Daylight Saving Time ends on Sunday, 29. October 2023, at 04:00, and the time zone reverts from EEST to EET.
When are the longest days in Espoo?
With an average of 18h and 47min of daylight, June has the longest days of the year.
What is the month with the warmest sea water in Espoo?
August is the month with the warmest seawater in Espoo, with an average sea temperature of 18.7°C (65.7°F).
What is the month with the shortest days in Espoo?
With an average of 5h and 59min of daylight, December has the shortest days of the year in Espoo, Finland.
Average sea temperature
Espoo, Finland
The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest month (with the lowest average sea temperature) is March (0.1°C).
Average daylight
Espoo, Finland
- Average daylight in January:
6h and 49min - Average daylight in February:
9h and 9min - Average daylight in March:
11h and 50min - Average daylight in April:
14h and 38min - Average daylight in May:
17h and 15min - Average daylight in June:
18h and 47min
- Average daylight in July:
18h and 1min - Average daylight in August:
15h and 36min - Average daylight in September:
12h and 52min - Average daylight in October:
10h and 7min - Average daylight in November:
7h and 31min - Average daylight in December:
5h and 59min
The month with the longest days is June (Average daylight: 18h and 47min).
The month with the shortest days is December (Average daylight: 5h and 59min).
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