| < June >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Sea or Water Temp
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average sea tempeature is 11 °C (51.8 °F).
- The average temperature in Helsinki in June is mild at 14 °C (57.2 °F).
- Afternoons can be somewhat warm with average high temperatures reaching 19 °C (66.2 °F).
- Overnight temperatures are generally a little cool with an average low of 9 °C (48.2 °F).
- In June there is a range/ variation of diurnal average temperatures of 10 °C (18 °F).
- The weather in June is slightly dry with occasional rain. Only 51mm (2in) of H2O is deposited across on average 13 days.
- The skies in Helsinki are sunny with on balance a considerable 9:29 of glaring sunlight daily.
- The shortest day is 18:20 long and the longest day is 18:55 long with an average length of 18:46.
- There are approximately 8:54 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 51.6% of daylight hours and cloudy 48.4% of daylight hours.
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Weather Trend Graph for June in Helsinki, Finland
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