June weather forecast
Trondheim, Norway

The first month of the summer, June, is an enjoyable month in Trondheim, Norway, with average temperature ranging between max 16°C (60.8°F) and min 8°C (46.4°F).

Temperature

In June, the average high-temperature marginally rises, from a fresh 12°C (53.6°F) in May, to a comfortable 16°C (60.8°F). In Trondheim, Norway, in June, the average low-temperature is 8°C (46.4°F).

Rainfall

In June, the rain falls for 17 days. Throughout June, 70mm (2.76") of precipitation is accumulated. In Trondheim, during the entire year, the rain falls for 239 days and collects up to 1096mm (43.15") of precipitation.

Sea temperature

In Trondheim, the average seawater temperature in June is 12.3°C (54.1°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

The month with the longest days is June, with an average of 20.4h of daylight.

Sunshine

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

UV index

June and July, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in June interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.