Swampscott — Water Temperature in June

Water Temperature Range

10°C

minimum

15°C

average

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

June: Climate and Swimming Opportunities

Average Night Air Temperature

14°C

Average Day Air Temperature

23°C

Precipitation Amount per Month

99 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

9 hrs

Average Wind Speed

14 km/h

Average Humidity

69%

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.