June weather forecast
Trondheim, Norway

June signals the start of summer in Trondheim, with temperatures on a steady rise from 8°C to 16°C. Oddly enough, June ushers in almost as much rainfall as the wetter winter months, resulting in a fairly humid summer atmosphere. Despite the heavier rainfall, the longest days of the year also occur in June, with daylight hours surpassing the 20-hour mark. Evenings are spent lounging by the shores of the Trondheim Fjord, enjoying the longer daylight hours. The weather does not waver significantly during the course of the month, maintaining a steady, almost predictable, pattern.

Temperature

June witnesses a subtle temperature ascent, adjusting from a cool 12°C in May to an enjoyable 16°C. Throughout the June nights, Trondheim encounters a low-temperature of 8°C.

Rainfall

In June, in Trondheim, the rain falls for 17 days. Throughout June, 70mm of precipitation is accumulated. In Trondheim, during the entire year, the rain falls for 239 days and collects up to 1096mm of precipitation.

Sea temperature

In Trondheim, in June, the average water temperature is 12.3°C.
Note: Swimming in 12.3°C poses a severe threat. Even short exposure to 13°C is chilling, and going below 10°C can cause breathing irregularities and intense cold shock, based on one's stamina.

Daylight

The month with the longest days in Trondheim is June, with an average of 20h and 24min of daylight.
On the first day of June in Trondheim, sunrise is at 03:25 and sunset at 23:07. On the last day of the month, sunrise is at 03:09 and sunset at 23:34 CEST.

Sunshine

May and June, with an average of 7h of sunshine, are months with the most sunshine.

UV index

June and July, with an average maximum UV index of 4, are months with the highest UV index in Trondheim, Norway. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 4 during June translates into the following guidance:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.