June weather forecast
Oslo, Norway

June ushers in the summer season in Oslo, with an average high temperature of 20.4°C. While enjoying the 18.7 hours of daylight, residents and visitors can often be found sunbathing in parks or savouring iced coffee in sidewalk cafés. Outdoor concerts and late-night festivals embody the lively spirit of an Oslo summer. Moreover, the warm, pleasantly humid weather augments the city's bustling vibe.

Temperature

The commencement of June in Oslo sees a minor shift in the average high-temperature, moving from a refreshing 15.8°C in May to an agreeable 20.4°C. In Oslo, June nights cool down to an average of 10.6°C.

Rainfall

In Oslo, in June, it is raining for 7 days, with typically 65mm of accumulated precipitation. In Oslo, during the entire year, the rain falls for 77 days and collects up to 763mm of precipitation.

Sea temperature

In Oslo, in June, the average water temperature is 14.8°C.
Note: Dipping in 14.8°C at temperatures less than 10°C without proper gear can lead to pronounced cold shock and breathing difficulties.

Daylight

The month with the longest days is June, with an average of 18h and 42min of daylight.
On the first day of the month, sunrise is at 04:06 and sunset at 22:22. On the last day of June, sunrise is at 03:58 and sunset at 22:42 CEST.

Sunshine

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

UV index

The 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 moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 5 during June translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Boost your sun resistance with garments that are densely woven yet spacious.