Weather in June
Temperature
In Helsinki, the average high-temperature in June marginally rises from a moderate 14.4°C (57.9°F) in May to an enjoyable 18.5°C (65.3°F). In June, the average low-temperature is 10.9°C (51.6°F).Rainfall
In Helsinki, during June, the rain falls for 14 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, in Helsinki, Finland, there are 182 rainfall days, and 655mm (25.79") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Helsinki.Sea temperature
In June, the average sea temperature in Helsinki is 9°C (48.2°F).Note: Swimming in 9°C (48.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
June has the longest days of the year in Helsinki, Finland, with an average of 18h and 47min of daylight.On the first day of the month, sunrise is at 04:07 and sunset at 22:28. On the last day of June, in Helsinki, sunrise is at 03:59 and sunset at 22:48 EEST.
Sunshine
The month with the most sunshine in Helsinki is June, with an average of 9.9h of sunshine.UV index
June and July, with an average maximum UV index of 5, are months with the highest UV index in Helsinki. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 5 in June transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
FAQ
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Average temperature in June
Helsinki, Finland
- Average high temperature in June: 18.5°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is February (-1.9°C).
- Average low temperature in June: 10.9°C
The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (-7.4°C).
Average rainfall in June
Helsinki, Finland
- Average rainfall in June: 57mm
The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in June
Helsinki, Finland
- Average rainfall days in June: 14 days
The month with the highest number of rainy days is December (20 days).
The months with the least rainy days are April and May (11 days).
Average snowfall in June
Helsinki, Finland
- Average snowfall in June: 0mm
The month with the highest snowfall is February (230mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average sea temperature in June
Helsinki, Finland
- Average sea temperature in June: 9°C
The best month for swimming (with the highest average sea temperature) is August (16°C).
The coldest months (with the lowest average sea temperature) are February and March (1°C).
Average daylight in June /
Average sunshine in June
Helsinki, Finland
- Average daylight in June: 18h and 47min
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).
- Average sunshine in June: 9h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average UV index in June
Helsinki, Finland
- Average UV index in June: 5
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 0).
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