Estoril — Water Temperature in June

Water Temperature Range

15°C

minimum

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

June: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

23°C

Precipitation Amount per Month

15 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

10 hrs

Average Wind Speed

15 km/h

Average Humidity

68%

At such water and air temperatures, swimming feels cool and invigorating. It’s comfortable for a quick dip, and you’ll feel fine as long as you warm up soon after.