Portree — Water Temperature in May

Water Temperature Range

7°C

minimum

9°C

average

11°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

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	2025	2024	2023	2022
MAY 1	9°C	9°C	8°C	9°C
MAY 2	9°C	8°C	8°C	8°C
MAY 3	9°C	8°C	9°C	8°C
MAY 4	9°C	9°C	9°C	8°C
MAY 5	9°C	9°C	8°C	9°C
MAY 6	9°C	9°C	8°C	9°C
MAY 7	9°C	9°C	8°C	9°C
MAY 8	9°C	8°C	8°C	9°C
MAY 9	9°C	9°C	8°C	9°C
MAY 10	9°C	8°C	8°C	9°C
MAY 11	9°C	9°C	9°C	9°C
MAY 12	9°C	9°C	8°C	9°C
MAY 13	9°C	9°C	9°C	8°C
MAY 14	9°C	10°C	9°C	9°C
MAY 15	9°C	9°C	10°C	8°C
MAY 16	9°C	8°C	9°C	9°C
MAY 17	9°C	9°C	9°C	9°C
MAY 18	9°C	9°C	10°C	9°C
MAY 19	9°C	9°C	9°C	9°C
MAY 20	9°C	10°C	9°C	9°C
MAY 21	10°C	10°C	10°C	9°C
MAY 22	10°C	10°C	10°C	9°C
MAY 23	9°C	10°C	9°C	9°C
MAY 24	10°C	10°C	10°C	9°C
MAY 25	10°C	10°C	9°C	9°C
MAY 26	10°C	10°C	9°C	9°C
MAY 27	10°C	9°C	9°C	9°C
MAY 28	10°C	10°C	9°C	9°C
MAY 29	10°C	10°C	10°C	9°C
MAY 30	10°C	9°C	10°C	9°C
MAY 31	11°C	10°C	11°C	10°C

May: Climate and Swimming Opportunities

Average Night Air Temperature

6°C

Average Day Air Temperature

15°C

Precipitation Amount per Month

60 mm

Number of Rainy Days

Daylight per Day

16 hrs

Sunshine per Day

5 hrs

Average Wind Speed

15 km/h

Average Humidity

80%

At such water and air temperatures, swimming feels icy and can be a shock to the body. If you go in at all, keep it extremely short and warm up immediately afterward.