June weather forecast and climate
Oslo, Norway

The Vigeland sculpture park in Oslo, Norway, at dusk
The Vigeland sculpture park in Oslo, Norway, at dusk

Weather in June

The first month of the summer, June, is a pleasant month in Oslo, Norway, with average temperature fluctuating between 10.6°C (51.1°F) and 20.4°C (68.7°F).

Temperature

In June, the average high-temperature marginally rises, from a mild 15.8°C (60.4°F) in May, to an agreeable 20.4°C (68.7°F). In Oslo, the average low-temperature is 10.6°C (51.1°F).

Rainfall

In Oslo, in June, during 7 rainfall days, 65mm (2.56") of precipitation is typically accumulated. Throughout the year, there are 77 rainfall days, and 763mm (30.04") of precipitation is accumulated.

Sea temperature

In June, the average sea temperature in Oslo is 14.8°C (58.6°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. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

With an average of 18.7h of daylight, June has the longest days of the year in Oslo.

Sunshine

June has the most sunshine of the year, with an average of 8.3h of sunshine.

UV index

Months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: In June, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in June in Oslo?

The average high-temperature, in June, in Oslo, is 20.4°C (68.7°F), while the average low-temperature is 10.6°C (51.1°F).

How many days does it rain in June in Oslo?

In Oslo, Norway, in June, it is raining for 7 days, with typically 65mm (2.56") of accumulated precipitation.

What is the water temperature in June in Oslo?

In Oslo, the average seawater temperature in June is 14.8°C (58.6°F). Swimming in 14.8°C (58.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

When are the longest days in Oslo?

June has the longest days of the year, with an average of 18.7h of daylight.

What is the average length of the day in June in Oslo?

In Oslo, Norway, the average length of the day in June is 18.7h.

What month has the most sunshine in Oslo?

With an average of 8.3h of sunshine, June has the most sunshine of the year in Oslo, Norway.

How many hours of sunshine does Oslo have in June?

In June, the average sunshine in Oslo is 8.3h.

When is the highest UV index in Oslo?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

How high is the UV index in June in Oslo?

In Oslo, Norway, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in June
Oslo, Norway

Average temperature in June - Oslo, Norway
  • Average high temperature in June: 20.4°C

The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-1.8°C).

  • Average low temperature in June: 10.6°C

The month with the highest average low temperature is July (12.2°C).
The coldest months (with the lowest average low temperature) are January and February (-6.8°C).

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Average rainfall in June
Oslo, Norway

Average rainfall in June - Oslo, Norway
  • Average rainfall in June: 65mm

The wettest month (with the highest rainfall) is September (90mm).
The driest month (with the least rainfall) is February (36mm).

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Average rainfall days in June
Oslo, Norway

Average rainfall days in June - Oslo, Norway
  • Average rainfall days in June: 7 days

Months with the highest number of rainy days are August, October and November (8 days).
The month with the least rainy days is February (4 days).

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Average sea temperature in June
Oslo, Norway

Average sea temperature in June - Oslo, Norway
  • Average sea temperature in June: 14.8°C

The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is March (3°C).

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Average daylight in June /
Average sunshine in June
Oslo, Norway

Average daylight in June / Average sunshine in June - Oslo, Norway
  • Average daylight in June: 18.7h

The month with the longest days is June (Average daylight: 18.7h).
The month with the shortest days is December (Average daylight: 6.1h).

  • Average sunshine in June: 8.3h

The month with the most sunshine is June (Average sunshine: 8.3h).
The month with the least sunshine is December (Average sunshine: 1.1h).

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Average UV index in June
Oslo, Norway

Average UV index in June - Oslo, Norway
  • Average UV index in June: 5

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, November and December (UV index 0).

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