City break

Trondheim weather in June

Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.

61

Holiday weather in June

Good

Best time to visit: June – August

What is the weather like in Trondheim in June?

In June, Trondheim is mild: daytime highs average 16 °C, and nights cool down to about 8 °C. The sea averages 10.7 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 94 mm. All in all, June is a good month for a holiday in Trondheim.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score466168
Day13°16°19°
Night4°8°11°
Sea8°11°13°
Sun8 h7 h7 h
Rain days151515

More details for June

Daylight
20 h 29 min03:04 – 23:33
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
13 km/haverage daily peakAll months
Cloud cover
75 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2Europe/Oslo

How the score comes together

  • Temperatureweight 50 %84 %
  • Sunshineweight 20 %65 %
  • Few rainy daysweight 30 %19 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in June

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Trondheim in June: quick answers

Is Trondheim hot in June?

No. In June, Trondheim is mild: daytime highs average 16 °C and nights drop to about 8 °C.

Can you swim in Trondheim in June?

Only if you don't mind cold water: in June the sea averages just 10.7 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Trondheim in June?

It rains often – on about 15 days, adding up to 94 mm.

Trondheim month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences