Kokkola — Water Temperature in June

Water Temperature Range

5°C

minimum

10°C

average

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

June: Climate and Swimming Opportunities

Average Night Air Temperature

9°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

64 mm

Number of Rainy Days

Daylight per Day

19 hrs

Sunshine per Day

9 hrs

Average Wind Speed

9 km/h

Average Humidity

65%

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.