Trondheim — Water Temperature in June

Water Temperature Range

6°C

minimum

11°C

average

15°C

maximum

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Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
JUN 1	-	10°C	8°C	10°C
JUN 2	11°C	9°C	8°C	10°C
JUN 3	12°C	9°C	9°C	10°C
JUN 4	12°C	10°C	9°C	12°C
JUN 5	12°C	10°C	9°C	12°C
JUN 6	13°C	10°C	8°C	11°C
JUN 7	12°C	10°C	8°C	12°C
JUN 8	12°C	10°C	9°C	12°C
JUN 9	-	10°C	9°C	11°C
JUN 10	14°C	10°C	9°C	12°C
JUN 11	14°C	11°C	10°C	12°C
JUN 12	14°C	11°C	9°C	12°C
JUN 13	13°C	11°C	9°C	12°C
JUN 14	13°C	11°C	11°C	12°C
JUN 15	14°C	11°C	11°C	11°C
JUN 16	13°C	11°C	10°C	12°C
JUN 17	13°C	12°C	11°C	12°C
JUN 18	13°C	12°C	10°C	12°C
JUN 19	13°C	12°C	11°C	12°C
JUN 20	13°C	12°C	10°C	12°C
JUN 21	13°C	12°C	10°C	11°C
JUN 22	13°C	12°C	10°C	11°C
JUN 23	13°C	12°C	10°C	11°C
JUN 24	13°C	12°C	9°C	12°C
JUN 25	14°C	13°C	11°C	12°C
JUN 26	14°C	12°C	10°C	12°C
JUN 27	14°C	12°C	10°C	12°C
JUN 28	13°C	12°C	10°C	12°C
JUN 29	14°C	12°C	10°C	12°C
JUN 30	14°C	13°C	11°C	12°C

June: Climate and Swimming Opportunities

Average Night Air Temperature

8°C

Average Day Air Temperature

17°C

Precipitation Amount per Month

67 mm

Number of Rainy Days

Daylight per Day

20 hrs

Sunshine per Day

7 hrs

Average Wind Speed

12 km/h

Average Humidity

76%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.